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fixed a bug in KCCFLN model
[simgrid.git] / src / surf / workstation_KCCFLN05.c
index ccb15cd..4fa7ca3 100644 (file)
 
 #include "xbt/ex.h"
 #include "xbt/dict.h"
-#include "workstation_KCCFLN05_private.h"
+#include "surf_private.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_workstation, surf,
                                "Logging specific to the SURF workstation module (KCCFLN05)");
+XBT_LOG_EXTERNAL_CATEGORY(surf_parse);
+
+typedef enum {
+  SURF_WORKSTATION_RESOURCE_CPU,
+  SURF_WORKSTATION_RESOURCE_LINK,
+} e_surf_workstation_model_type_t;
+
+
+/**************************************/
+/********* router object **************/
+/**************************************/
+typedef struct router_KCCFLN05 {
+  char *name;          
+  unsigned int id;
+} s_router_KCCFLN05_t, *router_KCCFLN05_t;
+
+
+/**************************************/
+/********* cpu object *****************/
+/**************************************/
+typedef struct cpu_KCCFLN05 {
+  surf_model_t model;                   /* Do not move this field: must match model_obj_t */
+  xbt_dict_t properties;                /* Do not move this field: must match link_KCCFLN05_t */
+  e_surf_workstation_model_type_t type;        /* Do not move this field: must match link_KCCFLN05_t */
+  char *name;                          /* Do not move this field: must match link_KCCFLN05_t */
+  lmm_constraint_t constraint;
+  lmm_constraint_t bus;
+  double power_scale;
+  double power_current;
+  double interference_send;
+  double interference_recv;
+  double interference_send_recv;
+  tmgr_trace_event_t power_event;
+  e_surf_cpu_state_t state_current;
+  tmgr_trace_event_t state_event;
+  int id;                      /* cpu and network card are a single object... */
+  xbt_dynar_t incomming_communications;
+  xbt_dynar_t outgoing_communications;
+} s_cpu_KCCFLN05_t, *cpu_KCCFLN05_t;
+
+/**************************************/
+/*********** network object ***********/
+/**************************************/
+
+typedef struct link_KCCFLN05 {
+  surf_model_t model;                   /* Do not move this field: must match model_obj_t */
+  xbt_dict_t properties;                /* Do not move this field: must match cpu_KCCFLN05_t */
+  e_surf_workstation_model_type_t type;        /* Do not move this field: must match cpu_KCCFLN05_t */
+  char *name;                          /* Do not move this field: must match cpu_KCCFLN05_t */
+  lmm_constraint_t constraint;
+  double lat_current;
+  tmgr_trace_event_t lat_event;
+  double bw_current;
+  tmgr_trace_event_t bw_event;
+  e_surf_link_state_t state_current;
+  tmgr_trace_event_t state_event;
+} s_link_KCCFLN05_t, *link_KCCFLN05_t;
+
+
+typedef struct s_route_KCCFLN05 {
+  double impact_on_src;
+  double impact_on_dst;
+  double impact_on_src_with_other_recv;
+  double impact_on_dst_with_other_send;
+  link_KCCFLN05_t *links;
+  int size;
+} s_route_KCCFLN05_t, *route_KCCFLN05_t;
+
+/**************************************/
+/*************** actions **************/
+/**************************************/
+typedef struct surf_action_workstation_KCCFLN05 {
+  s_surf_action_t generic_action;
+  double latency;
+  double lat_current;
+  lmm_variable_t variable;
+  double rate;
+  int suspended;
+  cpu_KCCFLN05_t src;          /* could be avoided */
+  cpu_KCCFLN05_t dst;          /* could be avoided */
+} s_surf_action_workstation_KCCFLN05_t,
+  *surf_action_workstation_KCCFLN05_t;
+
+
 
 static int nb_workstation = 0;
 static s_route_KCCFLN05_t *routing_table = NULL;
 #define ROUTE(i,j) routing_table[(i)+(j)*nb_workstation]
-static network_link_KCCFLN05_t loopback = NULL;
+static link_KCCFLN05_t loopback = NULL;
+static xbt_dict_t parallel_task_link_set = NULL;
+//added to work with GTNETS
+static xbt_dict_t router_set = NULL;
+static lmm_system_t maxmin_system = NULL;
 
-/*xbt_dict_t network_link_set = NULL;*/
 
 /* convenient function */
 static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
 {
-  int cpt;
+  unsigned int cpt;
   surf_action_workstation_KCCFLN05_t action = NULL;
   if ((!xbt_dynar_length(cpu->incomming_communications)) &&
       (!xbt_dynar_length(cpu->outgoing_communications))) {
@@ -36,36 +123,42 @@ static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
                                cpu->power_current * cpu->power_scale *
                                cpu->interference_send);
     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
-      lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
-                        cpu->power_current * cpu->power_scale * 
-                        ROUTE(action->src->id, action->dst->id).impact_on_src
-                        );
-  } else if ((xbt_dynar_length(cpu->incomming_communications)) &&
-            (!xbt_dynar_length(cpu->outgoing_communications))) {
+       lmm_elem_set_value(maxmin_system, cpu->constraint,
+                          action->variable,
+                          cpu->power_current * cpu->power_scale *
+                          ROUTE(action->src->id,
+                                action->dst->id).impact_on_src);
+  } else if ((xbt_dynar_length(cpu->incomming_communications))
+            && (!xbt_dynar_length(cpu->outgoing_communications))) {
     /* Reception */
     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
                                cpu->power_current * cpu->power_scale *
                                cpu->interference_recv);
     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
-      lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
-                        cpu->power_current * cpu->power_scale * 
-                        ROUTE(action->src->id, action->dst->id).impact_on_dst
-                        );
+       lmm_elem_set_value(maxmin_system, cpu->constraint,
+                          action->variable,
+                          cpu->power_current * cpu->power_scale *
+                          ROUTE(action->src->id,
+                                action->dst->id).impact_on_dst);
   } else {
     /* Emission & Reception */
     lmm_update_constraint_bound(maxmin_system, cpu->constraint,
                                cpu->power_current * cpu->power_scale *
                                cpu->interference_send_recv);
     xbt_dynar_foreach(cpu->outgoing_communications, cpt, action)
-      lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
-                        cpu->power_current * cpu->power_scale * 
-                        ROUTE(action->src->id, action->dst->id).impact_on_src_with_other_recv
-                        );
+       lmm_elem_set_value(maxmin_system, cpu->constraint,
+                          action->variable,
+                          cpu->power_current * cpu->power_scale *
+                          ROUTE(action->src->id,
+                                action->dst->id).
+                          impact_on_src_with_other_recv);
     xbt_dynar_foreach(cpu->incomming_communications, cpt, action)
-      lmm_elem_set_value(maxmin_system,cpu->constraint,action->variable,
-                        cpu->power_current * cpu->power_scale * 
-                        ROUTE(action->src->id, action->dst->id).impact_on_dst_with_other_send
-                        );
+       lmm_elem_set_value(maxmin_system, cpu->constraint,
+                          action->variable,
+                          cpu->power_current * cpu->power_scale *
+                          ROUTE(action->src->id,
+                                action->dst->id).
+                          impact_on_dst_with_other_send);
   }
 }
 
@@ -75,17 +168,37 @@ static void __update_cpu_usage(cpu_KCCFLN05_t cpu)
 
 static void *name_service(const char *name)
 {
-  return xbt_dict_get_or_null(workstation_set, name);
+  xbt_ex_t e;
+  void *res = NULL;
+
+  TRY {
+    res = xbt_dict_get(workstation_set, name);
+  } CATCH(e) {
+    if (e.category != not_found_error)
+      RETHROW;
+    WARN1("Host '%s' not found, verifing if it is a router", name);
+    res = NULL;
+    xbt_ex_free(e);
+  }
+
+  return res;
 }
 
 static const char *get_resource_name(void *resource_id)
 {
   /* We can freely cast as a cpu_KCCFLN05_t because it has the same
-     prefix as network_link_KCCFLN05_t. However, only cpu_KCCFLN05_t
+     prefix as link_KCCFLN05_t. However, only cpu_KCCFLN05_t
      will theoretically be given as an argument here. */
   return ((cpu_KCCFLN05_t) resource_id)->name;
 }
 
+static xbt_dict_t get_properties(void *resource)
+{
+  /* We can freely cast as a cpu_KCCFLN05_t because it has the same
+     prefix as link_KCCFLN05_t. */
+  return ((cpu_KCCFLN05_t) resource)->properties;
+}
+
 /* action_get_state is inherited from the surf module */
 
 static void action_use(surf_action_t action)
@@ -96,7 +209,7 @@ static void action_use(surf_action_t action)
 
 static int action_free(surf_action_t action)
 {
-  int cpt;
+  unsigned int cpt;
   surf_action_t act = NULL;
   cpu_KCCFLN05_t src = ((surf_action_workstation_KCCFLN05_t) action)->src;
   cpu_KCCFLN05_t dst = ((surf_action_workstation_KCCFLN05_t) action)->dst;
@@ -108,23 +221,23 @@ static int action_free(surf_action_t action)
       lmm_variable_free(maxmin_system,
                        ((surf_action_workstation_KCCFLN05_t) action)->
                        variable);
-    if(src)
+    if (src)
       xbt_dynar_foreach(src->outgoing_communications, cpt, act)
-       if (act == action) {
-         xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
-         break;
-       }    
+         if (act == action) {
+       xbt_dynar_remove_at(src->outgoing_communications, cpt, &act);
+       break;
+      }
 
-    if(dst)
+    if (dst)
       xbt_dynar_foreach(dst->incomming_communications, cpt, act)
-       if (act == action) {
-         xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
-         break;
-       }
+         if (act == action) {
+       xbt_dynar_remove_at(dst->incomming_communications, cpt, &act);
+       break;
+      }
 
-    if(src && (!xbt_dynar_length(src->outgoing_communications)))
+    if (src && (!xbt_dynar_length(src->outgoing_communications)))
       __update_cpu_usage(src);
-    if(dst && (!xbt_dynar_length(dst->incomming_communications)))
+    if (dst && (!xbt_dynar_length(dst->incomming_communications)))
       __update_cpu_usage(dst);
 
     free(action);
@@ -150,47 +263,55 @@ static void action_recycle(surf_action_t action)
 
 static void action_suspend(surf_action_t action)
 {
-  XBT_IN1("(%p))",action);
-  ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
-  lmm_update_variable_weight(maxmin_system,
-                            ((surf_action_workstation_KCCFLN05_t)
-                             action)->variable, 0.0);
+  XBT_IN1("(%p))", action);
+  if (((surf_action_workstation_KCCFLN05_t) action)->suspended != 2) {
+    ((surf_action_workstation_KCCFLN05_t) action)->suspended = 1;
+    lmm_update_variable_weight(maxmin_system,
+                              ((surf_action_workstation_KCCFLN05_t)
+                               action)->variable, 0.0);
+  }
   XBT_OUT;
 }
 
 static void action_resume(surf_action_t action)
 {
-  XBT_IN1("(%p)",action);
-  if(((surf_action_workstation_KCCFLN05_t)action)->lat_current==0.0)
-    lmm_update_variable_weight(maxmin_system,
-                              ((surf_action_workstation_KCCFLN05_t)
-                               action)->variable, 1.0);
-  else
-    lmm_update_variable_weight(maxmin_system,
-                              ((surf_action_workstation_KCCFLN05_t) action)->variable, 
-                              ((surf_action_workstation_KCCFLN05_t) action)->lat_current);
+  XBT_IN1("(%p)", action);
+  if (((surf_action_workstation_KCCFLN05_t) action)->suspended != 2) {
+    if (((surf_action_workstation_KCCFLN05_t) action)->lat_current == 0.0)
+      lmm_update_variable_weight(maxmin_system,
+                                ((surf_action_workstation_KCCFLN05_t)
+                                 action)->variable, action->priority);
+    else
+      lmm_update_variable_weight(maxmin_system,
+                                ((surf_action_workstation_KCCFLN05_t)
+                                 action)->variable,
+                                ((surf_action_workstation_KCCFLN05_t)
+                                 action)->lat_current);
 
-  ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
+    ((surf_action_workstation_KCCFLN05_t) action)->suspended = 0;
+  }
   XBT_OUT;
 }
 
 static int action_is_suspended(surf_action_t action)
 {
-  return (((surf_action_workstation_KCCFLN05_t) action)->suspended);
+  return (((surf_action_workstation_KCCFLN05_t) action)->suspended == 1);
 }
 
 static void action_set_max_duration(surf_action_t action, double duration)
 {                              /* FIXME: should inherit */
-  XBT_IN2("(%p,%g)",action,duration);
+  XBT_IN2("(%p,%g)", action, duration);
   action->max_duration = duration;
   XBT_OUT;
 }
 
 
 static void action_set_priority(surf_action_t action, double priority)
-{                              /* FIXME: should inherit */
-  XBT_IN2("(%p,%g)",action,priority);
+{
+  XBT_IN2("(%p,%g)", action, priority);
   action->priority = priority;
+  lmm_update_variable_weight(maxmin_system, ((surf_action_workstation_KCCFLN05_t) action)->variable, priority);
+
   XBT_OUT;
 }
 
@@ -200,19 +321,19 @@ static void action_set_priority(surf_action_t action, double priority)
 
 static int resource_used(void *resource_id)
 {
-  /* We can freely cast as a network_link_KCCFLN05_t because it has
+  /* We can freely cast as a link_KCCFLN05_t because it has
      the same prefix as cpu_KCCFLN05_t */
-  if(((cpu_KCCFLN05_t) resource_id)->type == SURF_WORKSTATION_RESOURCE_CPU)
-    return (lmm_constraint_used(maxmin_system,
-                              ((cpu_KCCFLN05_t) resource_id)->
-                              constraint) || 
-           ((((cpu_KCCFLN05_t) resource_id)->bus)?
-            lmm_constraint_used(maxmin_system,
-                               ((cpu_KCCFLN05_t) resource_id)->
-                               bus):0));
-  else 
+  if (((cpu_KCCFLN05_t) resource_id)->type ==
+      SURF_WORKSTATION_RESOURCE_CPU)
+    return (lmm_constraint_used
+           (maxmin_system, ((cpu_KCCFLN05_t) resource_id)->constraint)
+           || ((((cpu_KCCFLN05_t) resource_id)->bus) ?
+               lmm_constraint_used(maxmin_system,
+                                   ((cpu_KCCFLN05_t) resource_id)->
+                                   bus) : 0));
+  else
     return lmm_constraint_used(maxmin_system,
-                              ((network_link_KCCFLN05_t) resource_id)->
+                              ((link_KCCFLN05_t) resource_id)->
                               constraint);
 
 }
@@ -222,21 +343,31 @@ static double share_resources(double now)
   s_surf_action_workstation_KCCFLN05_t s_action;
   surf_action_workstation_KCCFLN05_t action = NULL;
 
-  xbt_swag_t running_actions = surf_workstation_resource->common_public->states.running_action_set;
+  xbt_swag_t running_actions =
+      surf_workstation_model->common_public->states.running_action_set;
   double min = generic_maxmin_share_resources(running_actions,
-                                             xbt_swag_offset(s_action, variable));
+                                             xbt_swag_offset(s_action,
+                                                             variable),
+                                             maxmin_system,
+                                             lmm_solve);
 
   xbt_swag_foreach(action, running_actions) {
-    if(action->latency>0) {
-      if(min<0) min = action->latency;
-      else if (action->latency<min) min = action->latency;
+    if (action->latency > 0) {
+      if (min < 0) {
+       min = action->latency;
+       DEBUG3("Updating min (value) with %p (start %f): %f", action,
+              action->generic_action.start, min);
+      } else if (action->latency < min) {
+       min = action->latency;
+       DEBUG3("Updating min (latency) with %p (start %f): %f", action,
+              action->generic_action.start, min);
+      }
     }
   }
 
+  DEBUG1("min value : %f", min);
+
   return min;
-/*   return generic_maxmin_share_resources(surf_workstation_resource->common_public-> */
-/*                                     states.running_action_set, */
-/*                                     xbt_swag_offset(action, variable)); */
 }
 
 static void update_actions_state(double now, double delta)
@@ -245,42 +376,45 @@ static void update_actions_state(double now, double delta)
   surf_action_workstation_KCCFLN05_t action = NULL;
   surf_action_workstation_KCCFLN05_t next_action = NULL;
   xbt_swag_t running_actions =
-      surf_workstation_resource->common_public->states.running_action_set;
+      surf_workstation_model->common_public->states.running_action_set;
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
     deltap = delta;
     if (action->latency > 0) {
       if (action->latency > deltap) {
-       surf_double_update(&(action->latency), deltap);
+       double_update(&(action->latency), deltap);
        deltap = 0.0;
       } else {
-       surf_double_update(&(deltap), action->latency);
+       double_update(&(deltap), action->latency);
        action->latency = 0.0;
       }
-      if ((action->latency == 0.0) && !(action->suspended)) {
-       if((action)->lat_current==0.0)
-         lmm_update_variable_weight(maxmin_system,action->variable, 1.0);
+      if ((action->latency == 0.0) && (action->suspended == 0)) {
+       if ((action)->lat_current == 0.0)
+         lmm_update_variable_weight(maxmin_system, action->variable, 1.0);
        else
-         lmm_update_variable_weight(maxmin_system, action->variable, 
+         lmm_update_variable_weight(maxmin_system, action->variable,
                                     action->lat_current);
       }
     }
-    surf_double_update(&(action->generic_action.remains),
-                      lmm_variable_getvalue(action->variable) * deltap);
-    if (action->generic_action.max_duration != NO_MAX_DURATION)
-      surf_double_update(&(action->generic_action.max_duration), delta);
+    DEBUG3("Action (%p) : remains (%g) updated by %g.",
+          action, action->generic_action.remains,
+          lmm_variable_getvalue(action->variable) * deltap);
+    double_update(&(action->generic_action.remains),
+                 lmm_variable_getvalue(action->variable) * deltap);
 
-    /*   if(action->generic_action.remains<.00001) action->generic_action.remains=0; */
+    if (action->generic_action.max_duration != NO_MAX_DURATION)
+      double_update(&(action->generic_action.max_duration), delta);
 
-    if ((action->generic_action.remains <= 0) && 
-       (lmm_get_variable_weight(action->variable)>0)) {
+    if ((action->generic_action.remains <= 0) &&
+       (lmm_get_variable_weight(action->variable) > 0)) {
       action->generic_action.finish = surf_get_clock();
       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
     } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
               (action->generic_action.max_duration <= 0)) {
       action->generic_action.finish = surf_get_clock();
       surf_action_change_state((surf_action_t) action, SURF_ACTION_DONE);
-    } else {                   /* Need to check that none of the resource has failed */
+    } else {
+      /* Need to check that none of the resource has failed */
       lmm_constraint_t cnst = NULL;
       int i = 0;
       void *constraint_id = NULL;
@@ -289,16 +423,33 @@ static void update_actions_state(double now, double delta)
              lmm_get_cnst_from_var(maxmin_system, action->variable,
                                    i++))) {
        constraint_id = lmm_constraint_id(cnst);
-       if(((((network_link_KCCFLN05_t)constraint_id)->type==
-            SURF_WORKSTATION_RESOURCE_LINK) &&
-           (((network_link_KCCFLN05_t)constraint_id)->state_current==
-            SURF_NETWORK_LINK_OFF)) ||
-          ((((cpu_KCCFLN05_t)constraint_id)->type==
-            SURF_WORKSTATION_RESOURCE_CPU) &&
-           (((cpu_KCCFLN05_t)constraint_id)->state_current==
-            SURF_CPU_OFF))) {
+
+/*     if(((link_KCCFLN05_t)constraint_id)->type== */
+/*        SURF_WORKSTATION_RESOURCE_LINK) { */
+/*       DEBUG2("Checking for link %s (%p)", */
+/*              ((link_KCCFLN05_t)constraint_id)->name, */
+/*              ((link_KCCFLN05_t)constraint_id)); */
+/*     } */
+/*     if(((cpu_KCCFLN05_t)constraint_id)->type== */
+/*        SURF_WORKSTATION_RESOURCE_CPU) { */
+/*       DEBUG3("Checking for cpu %s (%p) : %s", */
+/*              ((cpu_KCCFLN05_t)constraint_id)->name, */
+/*              ((cpu_KCCFLN05_t)constraint_id), */
+/*              ((cpu_KCCFLN05_t)constraint_id)->state_current==SURF_CPU_OFF?"Off":"On"); */
+/*     } */
+
+       if (((((link_KCCFLN05_t) constraint_id)->type ==
+             SURF_WORKSTATION_RESOURCE_LINK) &&
+            (((link_KCCFLN05_t) constraint_id)->state_current ==
+             SURF_LINK_OFF)) ||
+           ((((cpu_KCCFLN05_t) constraint_id)->type ==
+             SURF_WORKSTATION_RESOURCE_CPU) &&
+            (((cpu_KCCFLN05_t) constraint_id)->state_current ==
+             SURF_CPU_OFF))) {
+         DEBUG1("Action (%p) Failed!!", action);
          action->generic_action.finish = surf_get_clock();
-         surf_action_change_state((surf_action_t) action, SURF_ACTION_FAILED);
+         surf_action_change_state((surf_action_t) action,
+                                  SURF_ACTION_FAILED);
          break;
        }
       }
@@ -312,9 +463,10 @@ static void update_resource_state(void *id,
                                  double value)
 {
   cpu_KCCFLN05_t cpu = id;
-  network_link_KCCFLN05_t nw_link = id ;
+  link_KCCFLN05_t nw_link = id;
 
-  if(nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
+  if (nw_link->type == SURF_WORKSTATION_RESOURCE_LINK) {
+    DEBUG2("Updating link %s (%p)", nw_link->name, nw_link);
     if (event_type == nw_link->bw_event) {
       nw_link->bw_current = value;
       lmm_update_constraint_bound(maxmin_system, nw_link->constraint,
@@ -323,32 +475,43 @@ static void update_resource_state(void *id,
       double delta = value - nw_link->lat_current;
       lmm_variable_t var = NULL;
       surf_action_workstation_KCCFLN05_t action = NULL;
-      
+
       nw_link->lat_current = value;
-      while (lmm_get_var_from_cnst(maxmin_system, nw_link->constraint, &var)) {
+      while (lmm_get_var_from_cnst
+            (maxmin_system, nw_link->constraint, &var)) {
        action = lmm_variable_id(var);
        action->lat_current += delta;
-       if(action->rate<0)
+       if (action->rate < 0)
          lmm_update_variable_bound(maxmin_system, action->variable,
-                                   SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
-       else 
+                                   SG_TCP_CTE_GAMMA / (2.0 *
+                                                       action->
+                                                       lat_current));
+       else
          lmm_update_variable_bound(maxmin_system, action->variable,
-                                   min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
-       if(!(action->suspended))
-         lmm_update_variable_weight(maxmin_system, action->variable, 
+                                   min(action->rate,
+                                       SG_TCP_CTE_GAMMA / (2.0 *
+                                                           action->
+                                                           lat_current)));
+       if (action->suspended == 0)
+         lmm_update_variable_weight(maxmin_system, action->variable,
                                     action->lat_current);
+       lmm_update_variable_latency(maxmin_system, action->variable,
+                                   delta);
+
+
       }
     } else if (event_type == nw_link->state_event) {
       if (value > 0)
-       nw_link->state_current = SURF_NETWORK_LINK_ON;
+       nw_link->state_current = SURF_LINK_ON;
       else
-       nw_link->state_current = SURF_NETWORK_LINK_OFF;
+       nw_link->state_current = SURF_LINK_OFF;
     } else {
       CRITICAL0("Unknown event ! \n");
       xbt_abort();
     }
     return;
-  } else if(cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
+  } else if (cpu->type == SURF_WORKSTATION_RESOURCE_CPU) {
+    DEBUG3("Updating cpu %s (%p) with value %g", cpu->name, cpu, value);
     if (event_type == cpu->power_event) {
       cpu->power_current = value;
       __update_cpu_usage(cpu);
@@ -360,7 +523,7 @@ static void update_resource_state(void *id,
     } else {
       CRITICAL0("Unknown event ! \n");
       xbt_abort();
-    }    
+    }
     return;
   } else {
     DIE_IMPOSSIBLE;
@@ -370,25 +533,29 @@ static void update_resource_state(void *id,
 
 static void finalize(void)
 {
-  int i,j;
+  int i, j;
 
-  xbt_dict_free(&network_link_set);
+  xbt_dict_free(&link_set);
   xbt_dict_free(&workstation_set);
-  xbt_swag_free(surf_workstation_resource->common_public->states.
+  xbt_dict_free(&router_set);
+  if (parallel_task_link_set != NULL) {
+    xbt_dict_free(&parallel_task_link_set);
+  }
+  xbt_swag_free(surf_workstation_model->common_public->states.
                ready_action_set);
-  xbt_swag_free(surf_workstation_resource->common_public->states.
+  xbt_swag_free(surf_workstation_model->common_public->states.
                running_action_set);
-  xbt_swag_free(surf_workstation_resource->common_public->states.
+  xbt_swag_free(surf_workstation_model->common_public->states.
                failed_action_set);
-  xbt_swag_free(surf_workstation_resource->common_public->states.
+  xbt_swag_free(surf_workstation_model->common_public->states.
                done_action_set);
 
-  free(surf_workstation_resource->common_public);
-  free(surf_workstation_resource->common_private);
-  free(surf_workstation_resource->extension_public);
+  free(surf_workstation_model->common_public);
+  free(surf_workstation_model->common_private);
+  free(surf_workstation_model->extension_public);
 
-  free(surf_workstation_resource);
-  surf_workstation_resource = NULL;
+  free(surf_workstation_model);
+  surf_workstation_model = NULL;
 
   for (i = 0; i < nb_workstation; i++)
     for (j = 0; j < nb_workstation; j++)
@@ -412,7 +579,7 @@ static surf_action_t execute(void *cpu, double size)
   surf_action_workstation_KCCFLN05_t action = NULL;
   cpu_KCCFLN05_t CPU = cpu;
 
-  XBT_IN2("(%s,%g)",CPU->name,size);
+  XBT_IN2("(%s,%g)", CPU->name, size);
   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 
   action->generic_action.using = 1;
@@ -422,22 +589,23 @@ static surf_action_t execute(void *cpu, double size)
   action->generic_action.max_duration = NO_MAX_DURATION;
   action->generic_action.start = surf_get_clock();
   action->generic_action.finish = -1.0;
-  action->generic_action.resource_type =
-      (surf_resource_t) surf_workstation_resource;
+  action->generic_action.model_type =
+      (surf_model_t) surf_workstation_model;
   action->suspended = 0;
 
   if (CPU->state_current == SURF_CPU_ON)
     action->generic_action.state_set =
-       surf_workstation_resource->common_public->states.running_action_set;
+       surf_workstation_model->common_public->states.
+       running_action_set;
   else
     action->generic_action.state_set =
-       surf_workstation_resource->common_public->states.failed_action_set;
+       surf_workstation_model->common_public->states.failed_action_set;
   xbt_swag_insert(action, action->generic_action.state_set);
 
-  action->variable = lmm_variable_new(maxmin_system, action, 
-                                     action->generic_action.priority, -1.0, 1);
-  lmm_expand(maxmin_system, CPU->constraint, action->variable,
-            1.0);
+  action->variable = lmm_variable_new(maxmin_system, action,
+                                     action->generic_action.priority,
+                                     -1.0, 1);
+  lmm_expand(maxmin_system, CPU->constraint, action->variable, 1.0);
   XBT_OUT;
   return (surf_action_t) action;
 }
@@ -446,10 +614,11 @@ static surf_action_t action_sleep(void *cpu, double duration)
 {
   surf_action_workstation_KCCFLN05_t action = NULL;
 
-  XBT_IN2("(%s,%g)",((cpu_KCCFLN05_t)cpu)->name,duration);
+  XBT_IN2("(%s,%g)", ((cpu_KCCFLN05_t) cpu)->name, duration);
 
   action = (surf_action_workstation_KCCFLN05_t) execute(cpu, 1.0);
   action->generic_action.max_duration = duration;
+  action->suspended = 2;
   lmm_update_variable_weight(maxmin_system, action->variable, 0.0);
 
   XBT_OUT;
@@ -463,7 +632,7 @@ static e_surf_cpu_state_t resource_get_state(void *cpu)
 
 static double get_speed(void *cpu, double load)
 {
-  return load*(((cpu_KCCFLN05_t) cpu)->power_scale);
+  return load * (((cpu_KCCFLN05_t) cpu)->power_scale);
 }
 
 static double get_available_speed(void *cpu)
@@ -471,7 +640,8 @@ static double get_available_speed(void *cpu)
   return ((cpu_KCCFLN05_t) cpu)->power_current;
 }
 
-static surf_action_t communicate(void *src, void *dst, double size, double rate)
+static surf_action_t communicate(void *src, void *dst, double size,
+                                double rate)
 {
   surf_action_workstation_KCCFLN05_t action = NULL;
   cpu_KCCFLN05_t card_src = src;
@@ -480,8 +650,10 @@ static surf_action_t communicate(void *src, void *dst, double size, double rate)
   int route_size = route->size;
   int i;
 
-  XBT_IN4("(%s,%s,%g,%g)",card_src->name,card_dst->name,size,rate);
-  xbt_assert2(route_size,"You're trying to send data from %s to %s but there is no connexion between these two cards.", card_src->name, card_dst->name);
+  XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate);
+  xbt_assert2(route_size,
+             "You're trying to send data from %s to %s but there is no connexion between these two cards.",
+             card_src->name, card_dst->name);
 
   action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
 
@@ -493,12 +665,12 @@ static surf_action_t communicate(void *src, void *dst, double size, double rate)
   action->generic_action.finish = -1.0;
   action->src = src;
   action->dst = dst;
-  action->generic_action.resource_type =
-    (surf_resource_t) surf_workstation_resource;
-  action->suspended = 0;  /* Should be useless because of the 
-                            calloc but it seems to help valgrind... */
+  action->generic_action.model_type =
+      (surf_model_t) surf_workstation_model;
+  action->suspended = 0;       /* Should be useless because of the 
+                                  calloc but it seems to help valgrind... */
   action->generic_action.state_set =
-      surf_workstation_resource->common_public->states.running_action_set;
+      surf_workstation_model->common_public->states.running_action_set;
 
   xbt_dynar_push(card_src->outgoing_communications, &action);
   xbt_dynar_push(card_dst->incomming_communications, &action);
@@ -511,32 +683,40 @@ static surf_action_t communicate(void *src, void *dst, double size, double rate)
     action->latency += route->links[i]->lat_current;
   action->lat_current = action->latency;
 
-  if(action->latency>0)
-    action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0,
-                                       route_size+4); /* +1 for the src bus
-                                                         +1 for the dst bus
-                                                         +1 for the src cpu
-                                                         +1 for the dst cpu */
+  if (action->latency > 0)
+    action->variable = lmm_variable_new(maxmin_system, action, 0.0, -1.0, route_size + 4);     /* +1 for the src bus
+                                                                                                  +1 for the dst bus
+                                                                                                  +1 for the src cpu
+                                                                                                  +1 for the dst cpu */
   else
     action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
-                                       route_size+4);
+                                       route_size + 4);
 
-  if(action->rate<0) {
-    if(action->lat_current>0)
+  if (action->rate < 0) {
+    if (action->lat_current > 0)
       lmm_update_variable_bound(maxmin_system, action->variable,
-                               SG_TCP_CTE_GAMMA / (2.0 * action->lat_current));
+                               SG_TCP_CTE_GAMMA / (2.0 *
+                                                   action->lat_current));
     else
       lmm_update_variable_bound(maxmin_system, action->variable, -1.0);
   } else {
-    if(action->lat_current>0)
+    if (action->lat_current > 0)
       lmm_update_variable_bound(maxmin_system, action->variable,
-                               min(action->rate,SG_TCP_CTE_GAMMA / (2.0 * action->lat_current)));
+                               min(action->rate,
+                                   SG_TCP_CTE_GAMMA / (2.0 *
+                                                       action->
+                                                       lat_current)));
     else
-      lmm_update_variable_bound(maxmin_system, action->variable, action->rate);
+      lmm_update_variable_bound(maxmin_system, action->variable,
+                               action->rate);
   }
 
+  lmm_update_variable_latency(maxmin_system, action->variable,
+                             action->latency); /* Should be useless */
+
   for (i = 0; i < route_size; i++)
-    lmm_expand(maxmin_system, route->links[i]->constraint, action->variable, 1.0);
+    lmm_expand(maxmin_system, route->links[i]->constraint,
+              action->variable, 1.0);
   if (card_src->bus)
     lmm_expand(maxmin_system, card_src->bus, action->variable, 1.0);
   if (card_dst->bus)
@@ -548,50 +728,167 @@ static surf_action_t communicate(void *src, void *dst, double size, double rate)
   return (surf_action_t) action;
 }
 
-/* FIXME: execute_parallel_task */
-static surf_action_t execute_parallel_task(int cpu_nb,
-                                          void **cpu_list, 
-                                          double *computation_amount, 
+static surf_action_t execute_parallel_task(int workstation_nb,
+                                          void **workstation_list,
+                                          double *computation_amount,
                                           double *communication_amount,
-                                          double amount,
-                                          double rate)
+                                          double amount, double rate)
 {
-  DIE_IMPOSSIBLE;
-  return NULL;
+  surf_action_workstation_KCCFLN05_t action = NULL;
+  int i, j, k;
+  int nb_link = 0;
+  int nb_host = 0;
+
+  if (parallel_task_link_set == NULL) {
+    parallel_task_link_set = xbt_dict_new();
+  }
+
+  /* Compute the number of affected resources... */
+  for (i = 0; i < workstation_nb; i++) {
+    for (j = 0; j < workstation_nb; j++) {
+      cpu_KCCFLN05_t card_src = workstation_list[i];
+      cpu_KCCFLN05_t card_dst = workstation_list[j];
+      int route_size = ROUTE(card_src->id, card_dst->id).size;
+      link_KCCFLN05_t *route =
+         ROUTE(card_src->id, card_dst->id).links;
+
+      if (communication_amount[i * workstation_nb + j] > 0)
+       for (k = 0; k < route_size; k++) {
+         xbt_dict_set(parallel_task_link_set, route[k]->name,
+                      route[k], NULL);
+       }
+    }
+  }
+  nb_link = xbt_dict_length(parallel_task_link_set);
+  xbt_dict_reset(parallel_task_link_set);
+
+
+  for (i = 0; i < workstation_nb; i++)
+    if (computation_amount[i] > 0)
+      nb_host++;
+
+  action = xbt_new0(s_surf_action_workstation_KCCFLN05_t, 1);
+  DEBUG3("Creating a parallel task (%p) with %d cpus and %d links.",
+        action, nb_host, nb_link);
+  action->generic_action.using = 1;
+  action->generic_action.cost = amount;
+  action->generic_action.remains = amount;
+  action->generic_action.max_duration = NO_MAX_DURATION;
+  action->generic_action.start = surf_get_clock();
+  action->generic_action.finish = -1.0;
+  action->generic_action.model_type =
+      (surf_model_t) surf_workstation_model;
+  action->suspended = 0;       /* Should be useless because of the
+                                  calloc but it seems to help valgrind... */
+  action->generic_action.state_set =
+      surf_workstation_model->common_public->states.running_action_set;
+
+  xbt_swag_insert(action, action->generic_action.state_set);
+  action->rate = rate;
+
+  if (action->rate > 0)
+    action->variable = lmm_variable_new(maxmin_system, action, 1.0, -1.0,
+                                       nb_host + nb_link);
+  else
+    action->variable =
+       lmm_variable_new(maxmin_system, action, 1.0, action->rate,
+                        nb_host + nb_link);
+
+  for (i = 0; i < workstation_nb; i++)
+    if (computation_amount[i] > 0)
+      lmm_expand(maxmin_system,
+                ((cpu_KCCFLN05_t) workstation_list[i])->constraint,
+                action->variable, computation_amount[i]);
+
+  for (i = 0; i < workstation_nb; i++) {
+    for (j = 0; j < workstation_nb; j++) {
+      cpu_KCCFLN05_t card_src = workstation_list[i];
+      cpu_KCCFLN05_t card_dst = workstation_list[j];
+      int route_size = ROUTE(card_src->id, card_dst->id).size;
+      link_KCCFLN05_t *route =
+         ROUTE(card_src->id, card_dst->id).links;
+
+      for (k = 0; k < route_size; k++) {
+       if (communication_amount[i * workstation_nb + j] > 0) {
+         lmm_expand_add(maxmin_system, route[k]->constraint,
+                        action->variable,
+                        communication_amount[i * workstation_nb + j]);
+       }
+      }
+    }
+  }
+
+  if (nb_link + nb_host == 0) {
+    action->generic_action.cost = 1.0;
+    action->generic_action.remains = 0.0;
+  }
+
+  return (surf_action_t) action;
 }
 
-/* returns an array of network_link_KCCFLN05_t */
-static const void** get_route(void *src, void *dst) {
+/* returns an array of link_KCCFLN05_t */
+static const void **get_route(void *src, void *dst)
+{
   cpu_KCCFLN05_t card_src = src;
   cpu_KCCFLN05_t card_dst = dst;
   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
 
-  return (const void**) route->links;
+  return (const void **) route->links;
 }
 
-static int get_route_size(void *src, void *dst) {
+static int get_route_size(void *src, void *dst)
+{
   cpu_KCCFLN05_t card_src = src;
   cpu_KCCFLN05_t card_dst = dst;
   route_KCCFLN05_t route = &(ROUTE(card_src->id, card_dst->id));
   return route->size;
 }
 
-static const char *get_link_name(const void *link) {
-  return ((network_link_KCCFLN05_t) link)->name;
+static const char *get_link_name(const void *link)
+{
+  return ((link_KCCFLN05_t) link)->name;
 }
 
-static double get_link_bandwidth(const void *link) {
-  return ((network_link_KCCFLN05_t) link)->bw_current;
+static double get_link_bandwidth(const void *link)
+{
+  return ((link_KCCFLN05_t) link)->bw_current;
 }
 
-static double get_link_latency(const void *link) {
-  return ((network_link_KCCFLN05_t) link)->lat_current;
+static double get_link_latency(const void *link)
+{
+  return ((link_KCCFLN05_t) link)->lat_current;
 }
 
 /**************************************/
 /*** Resource Creation & Destruction **/
 /**************************************/
 
+
+static void router_free(void *router)
+{
+  free(((router_KCCFLN05_t) router)->name);
+}
+
+static void router_new(const char *name)
+{
+  static unsigned int nb_routers = 0;
+  router_KCCFLN05_t router;
+
+  INFO1("Creating a router %s", name);
+
+  router = xbt_new0(s_router_KCCFLN05_t, 1);
+
+  router->name = xbt_strdup(name);
+  router->id = nb_routers++;
+  xbt_dict_set(router_set, name, router, router_free);
+}
+
+static void parse_routers(void)
+{
+  //add a dumb router just to be GTNETS compatible
+  router_new(A_surfxml_router_id);
+}
+
 static void cpu_free(void *cpu)
 {
   free(((cpu_KCCFLN05_t) cpu)->name);
@@ -608,11 +905,18 @@ static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
                              double interference_send,
                              double interference_recv,
                              double interference_send_recv,
-                             double max_outgoing_rate)
+                             double max_outgoing_rate,
+                             xbt_dict_t cpu_properties_k)
 {
   cpu_KCCFLN05_t cpu = xbt_new0(s_cpu_KCCFLN05_t, 1);
 
-  cpu->resource = (surf_resource_t) surf_workstation_resource;
+  xbt_assert1(! xbt_dict_get_or_null(workstation_set, name),
+             "Host '%s' declared several times in the platform file.",name);
+
+  CDEBUG8(surf_parse, "cpu_new(%s,power_scale=%.2f,power_initial=%.2f,state_init=%d,isend=%.2f,irecv=%.2f,isendrev=%.2f) -> %p",
+         name,power_scale,power_initial,state_initial,interference_send,interference_recv,interference_send_recv,cpu);
+   
+  cpu->model = (surf_model_t) surf_workstation_model;
   cpu->type = SURF_WORKSTATION_RESOURCE_CPU;
   cpu->name = xbt_strdup(name);
   cpu->id = nb_workstation++;
@@ -645,12 +949,20 @@ static cpu_KCCFLN05_t cpu_new(const char *name, double power_scale,
   cpu->outgoing_communications =
       xbt_dynar_new(sizeof(surf_action_workstation_KCCFLN05_t), NULL);
 
+  /*add the property set*/
+  cpu->properties = current_property_set;
   xbt_dict_set(workstation_set, name, cpu, cpu_free);
 
   return cpu;
 }
 
-static void parse_cpu(void)
+static void create_routing_table(void)
+{
+    routing_table = xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
+}
+
+static void parse_cpu_init(void)
 {
   double power_scale = 0.0;
   double power_initial = 0.0;
@@ -662,59 +974,55 @@ static void parse_cpu(void)
   double interference_send_recv = 0.0;
   double max_outgoing_rate = -1.0;
 
-  surf_parse_get_double(&power_scale, A_surfxml_cpu_power);
-  surf_parse_get_double(&power_initial, A_surfxml_cpu_availability);
-  surf_parse_get_trace(&power_trace, A_surfxml_cpu_availability_file);
+  power_scale = get_cpu_power(A_surfxml_host_power);
+  surf_parse_get_double(&power_initial, A_surfxml_host_availability);
+  surf_parse_get_trace(&power_trace, A_surfxml_host_availability_file);
 
-  xbt_assert0((A_surfxml_cpu_state == A_surfxml_cpu_state_ON) ||
-             (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF),
+  xbt_assert0((A_surfxml_host_state == A_surfxml_host_state_ON) ||
+             (A_surfxml_host_state == A_surfxml_host_state_OFF),
              "Invalid state");
-  if (A_surfxml_cpu_state == A_surfxml_cpu_state_ON)
+  if (A_surfxml_host_state == A_surfxml_host_state_ON)
     state_initial = SURF_CPU_ON;
-  if (A_surfxml_cpu_state == A_surfxml_cpu_state_OFF)
+  if (A_surfxml_host_state == A_surfxml_host_state_OFF)
     state_initial = SURF_CPU_OFF;
-  surf_parse_get_trace(&state_trace, A_surfxml_cpu_state_file);
+  surf_parse_get_trace(&state_trace, A_surfxml_host_state_file);
 
   surf_parse_get_double(&interference_send,
-                       A_surfxml_cpu_interference_send);
+                       A_surfxml_host_interference_send);
   surf_parse_get_double(&interference_recv,
-                       A_surfxml_cpu_interference_recv);
+                       A_surfxml_host_interference_recv);
   surf_parse_get_double(&interference_send_recv,
-                       A_surfxml_cpu_interference_send_recv);
+                       A_surfxml_host_interference_send_recv);
   surf_parse_get_double(&max_outgoing_rate,
-                       A_surfxml_cpu_max_outgoing_rate);
+                       A_surfxml_host_max_outgoing_rate);
+  current_property_set = xbt_dict_new();
 
-  cpu_new(A_surfxml_cpu_name, power_scale, power_initial, power_trace,
+  cpu_new(A_surfxml_host_id, power_scale, power_initial, power_trace,
          state_initial, state_trace, interference_send, interference_recv,
-         interference_send_recv, max_outgoing_rate);
-}
-
-static void create_routing_table(void)
-{
-  routing_table =
-      xbt_new0(s_route_KCCFLN05_t, nb_workstation * nb_workstation);
+         interference_send_recv, max_outgoing_rate,current_property_set);
 }
 
-static void network_link_free(void *nw_link)
+static void link_free(void *nw_link)
 {
-  free(((network_link_KCCFLN05_t) nw_link)->name);
+  free(((link_KCCFLN05_t) nw_link)->name);
   free(nw_link);
 }
 
-static network_link_KCCFLN05_t network_link_new(char *name,
-                                               double bw_initial,
-                                               tmgr_trace_t bw_trace,
-                                               double lat_initial,
-                                               tmgr_trace_t lat_trace,
-                                               e_surf_network_link_state_t
-                                               state_initial,
-                                               tmgr_trace_t state_trace,
-                                               e_surf_network_link_sharing_policy_t policy)
+static link_KCCFLN05_t link_new(char *name,
+                               double bw_initial,
+                               tmgr_trace_t bw_trace,
+                               double lat_initial,
+                               tmgr_trace_t lat_trace,
+                               e_surf_link_state_t
+                               state_initial,
+                               tmgr_trace_t state_trace,
+                               e_surf_link_sharing_policy_t
+                               policy, xbt_dict_t properties_args)
 {
-  network_link_KCCFLN05_t nw_link = xbt_new0(s_network_link_KCCFLN05_t, 1);
+  link_KCCFLN05_t nw_link = xbt_new0(s_link_KCCFLN05_t, 1);
 
 
-  nw_link->resource = (surf_resource_t) surf_workstation_resource;
+  nw_link->model = (surf_model_t) surf_workstation_model;
   nw_link->type = SURF_WORKSTATION_RESOURCE_LINK;
   nw_link->name = name;
   nw_link->bw_current = bw_initial;
@@ -733,75 +1041,75 @@ static network_link_KCCFLN05_t network_link_new(char *name,
   nw_link->constraint =
       lmm_constraint_new(maxmin_system, nw_link, nw_link->bw_current);
 
-  if(policy == SURF_NETWORK_LINK_FATPIPE)
+  if (policy == SURF_LINK_FATPIPE)
     lmm_constraint_shared(nw_link->constraint);
 
-  xbt_dict_set(network_link_set, name, nw_link, network_link_free);
+  /*add the property set*/
+  nw_link->properties = properties_args;
+
+  xbt_dict_set(link_set, name, nw_link, link_free);
 
   return nw_link;
 }
 
-static void parse_network_link(void)
+static void parse_link_init(void)
 {
-  char *name;
+  char *name_link;
   double bw_initial;
   tmgr_trace_t bw_trace;
   double lat_initial;
   tmgr_trace_t lat_trace;
-  e_surf_network_link_state_t state_initial = SURF_NETWORK_LINK_ON;
-  e_surf_network_link_sharing_policy_t policy_initial = SURF_NETWORK_LINK_SHARED;
+  e_surf_link_state_t state_initial_link = SURF_LINK_ON;
+  e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
   tmgr_trace_t state_trace;
 
-  name = xbt_strdup(A_surfxml_network_link_name);
-  surf_parse_get_double(&bw_initial,A_surfxml_network_link_bandwidth);
-  surf_parse_get_trace(&bw_trace, A_surfxml_network_link_bandwidth_file);
-  surf_parse_get_double(&lat_initial,A_surfxml_network_link_latency);
-  surf_parse_get_trace(&lat_trace, A_surfxml_network_link_latency_file);
-
-  xbt_assert0((A_surfxml_network_link_state==A_surfxml_network_link_state_ON)||
-             (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF),
-             "Invalid state");
-  if (A_surfxml_network_link_state==A_surfxml_network_link_state_ON) 
-    state_initial = SURF_NETWORK_LINK_ON;
-  else if (A_surfxml_network_link_state==A_surfxml_network_link_state_OFF) 
-    state_initial = SURF_NETWORK_LINK_OFF;
-
-  if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_SHARED) 
-    policy_initial = SURF_NETWORK_LINK_SHARED;
-  else if (A_surfxml_network_link_sharing_policy==A_surfxml_network_link_sharing_policy_FATPIPE) 
-    policy_initial = SURF_NETWORK_LINK_FATPIPE;
-
-  surf_parse_get_trace(&state_trace,A_surfxml_network_link_state_file);
-
-  network_link_new(name, bw_initial, bw_trace,
-                  lat_initial, lat_trace, state_initial, state_trace,
-                  policy_initial);
+  name_link = xbt_strdup(A_surfxml_link_id);
+  surf_parse_get_double(&bw_initial, A_surfxml_link_bandwidth);
+  surf_parse_get_trace(&bw_trace, A_surfxml_link_bandwidth_file);
+  surf_parse_get_double(&lat_initial, A_surfxml_link_latency);
+  surf_parse_get_trace(&lat_trace, A_surfxml_link_latency_file);
+
+  xbt_assert0((A_surfxml_link_state ==
+              A_surfxml_link_state_ON)
+             || (A_surfxml_link_state ==
+                 A_surfxml_link_state_OFF), "Invalid state");
+  if (A_surfxml_link_state == A_surfxml_link_state_ON)
+    state_initial_link = SURF_LINK_ON;
+  else if (A_surfxml_link_state ==
+          A_surfxml_link_state_OFF)
+    state_initial_link = SURF_LINK_OFF;
+
+  if (A_surfxml_link_sharing_policy ==
+      A_surfxml_link_sharing_policy_SHARED)
+    policy_initial_link = SURF_LINK_SHARED;
+  else if (A_surfxml_link_sharing_policy ==
+          A_surfxml_link_sharing_policy_FATPIPE)
+    policy_initial_link = SURF_LINK_FATPIPE;
+
+  surf_parse_get_trace(&state_trace, A_surfxml_link_state_file);
+
+ current_property_set = xbt_dict_new();
+ link_new(name_link, bw_initial, bw_trace,
+                  lat_initial, lat_trace, state_initial_link, state_trace,
+                  policy_initial_link,/*add properties*/current_property_set);
 }
 
-static void route_new(int src_id, int dst_id, char **links, int nb_link,
+static void route_new(int src_id, int dst_id,
+                     link_KCCFLN05_t * link_list, int nb_link,
                      double impact_on_src, double impact_on_dst,
                      double impact_on_src_with_other_recv,
                      double impact_on_dst_with_other_send)
 {
-  network_link_KCCFLN05_t *link_list = NULL;
-  int i;
   route_KCCFLN05_t route = &(ROUTE(src_id, dst_id));
 
   route->size = nb_link;
-  link_list = route->links = xbt_new0(network_link_KCCFLN05_t, nb_link);
-  for (i = 0; i < nb_link; i++) {
-    link_list[i] = xbt_dict_get_or_null(network_link_set, links[i]);
-    free(links[i]);
-  }
-  free(links);
+  route->links = link_list = xbt_realloc(link_list, sizeof(link_KCCFLN05_t) * nb_link);
   route->impact_on_src = impact_on_src;
-  route->impact_on_dst = impact_on_src;
+  route->impact_on_dst = impact_on_dst;
   route->impact_on_src_with_other_recv = impact_on_src_with_other_recv;
   route->impact_on_dst_with_other_send = impact_on_dst_with_other_send;
 }
 
-static int nb_link = 0;
-static char **link_name = NULL;
 static int src_id = -1;
 static int dst_id = -1;
 static double impact_on_src;
@@ -811,8 +1119,30 @@ static double impact_on_dst_with_other_send;
 
 static void parse_route_set_endpoints(void)
 {
-  src_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_src))->id;
-  dst_id = ((cpu_KCCFLN05_t) name_service(A_surfxml_route_dst))->id;
+  cpu_KCCFLN05_t cpu_tmp = NULL;
+
+  cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_src);
+  if (cpu_tmp != NULL) {
+    src_id = cpu_tmp->id;
+  } else {
+    xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_src),
+               "Invalid name '%s': neither a cpu nor a router!",
+               A_surfxml_route_src);
+    src_id = -1;
+    return;
+  }
+
+  cpu_tmp = (cpu_KCCFLN05_t) name_service(A_surfxml_route_dst);
+  if (cpu_tmp != NULL) {
+    dst_id = cpu_tmp->id;
+  } else {
+    xbt_assert1(xbt_dict_get_or_null(router_set, A_surfxml_route_dst),
+               "Invalid name '%s': neither a cpu nor a router!",
+               A_surfxml_route_dst);
+    dst_id = -1;
+    return;
+  }
+
   surf_parse_get_double(&impact_on_src, A_surfxml_route_impact_on_src);
   surf_parse_get_double(&impact_on_dst, A_surfxml_route_impact_on_dst);
   surf_parse_get_double(&impact_on_src_with_other_recv,
@@ -820,148 +1150,268 @@ static void parse_route_set_endpoints(void)
   surf_parse_get_double(&impact_on_dst_with_other_send,
                        A_surfxml_route_impact_on_dst_with_other_send);
 
-  nb_link = 0;
-  link_name = NULL;
-}
+  
+  route_action = A_surfxml_route_action;
+  route_link_list = xbt_dynar_new(sizeof(char *), &free_string);
 
-static void parse_route_elem(void)
-{
-  nb_link++;
-  link_name = xbt_realloc(link_name, (nb_link) * sizeof(char *));
-  link_name[(nb_link) - 1] = xbt_strdup(A_surfxml_route_element_name);
 }
 
 static void parse_route_set_route(void)
 {
-  route_new(src_id, dst_id, link_name, nb_link, impact_on_src,
-           impact_on_dst, impact_on_src_with_other_recv,
-           impact_on_dst_with_other_send);
+  char* name;
+  if (src_id != -1 && dst_id != -1) {
+    name = bprintf("%x#%x",src_id, dst_id);
+
+    manage_route(route_table, name, route_action, 0);
+    free(name);
+  }
 }
 
-static void parse_file(const char *file)
+static void add_loopback(void)
 {
-  int i ;
+  int i;
 
-  /* Figuring out the cpus */
-  surf_parse_reset_parser();
-  ETag_surfxml_cpu_fun = parse_cpu;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
+  /* Adding loopback if needed */
+  for (i = 0; i < nb_workstation; i++) {
+    if (!ROUTE(i, i).size) {
+      if (!loopback)
+       loopback = link_new(xbt_strdup("__MSG_loopback__"),
+                                   498000000, NULL, 0.000015, NULL,
+                                   SURF_LINK_ON, NULL,
+                                   SURF_LINK_FATPIPE, NULL);
+      ROUTE(i, i).size = 1;
+      ROUTE(i, i).links = xbt_new0(link_KCCFLN05_t, 1);
+      ROUTE(i, i).links[0] = loopback;
+    }
+  }
+}
 
-  create_routing_table();
+static void add_route(void)
+{  
+  xbt_ex_t e;
+  int nb_link = 0;
+  unsigned int cpt = 0;    
+  int link_list_capacity = 0;
+  link_KCCFLN05_t *link_list = NULL;
+  xbt_dict_cursor_t cursor = NULL;
+  char *key,*data, *end;
+  const char *sep = "#";
+  xbt_dynar_t links, keys;
+
+  if (routing_table == NULL) create_routing_table();
+
+  xbt_dict_foreach(route_table, cursor, key, data) {
+    nb_link = 0;
+    links = (xbt_dynar_t)data;
+    keys = xbt_str_split_str(key, sep);
+
+    link_list_capacity = xbt_dynar_length(links);
+    link_list = xbt_new(link_KCCFLN05_t, link_list_capacity);
+
+    src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
+    dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
+    /*ATTRIBUTES NOT USED ANYMORE. WILL BE REMOVED FROM MODEL.*/
+    impact_on_src = 0;//atof(xbt_dynar_get_as(keys, 2, char*));
+    impact_on_dst = 0; //atof(xbt_dynar_get_as(keys, 3, char*));
+    impact_on_src_with_other_recv = 0;//atof(xbt_dynar_get_as(keys, 4, char*));
+    impact_on_dst_with_other_send = 0;//atof(xbt_dynar_get_as(keys, 5, char*));
+
+    char* link = NULL;
+    INFO2("%d - %d", src_id, dst_id);
+    xbt_dynar_foreach (links, cpt, link) {
+      TRY {
+       INFO1("\t%s",link);
+        link_list[nb_link++] = xbt_dict_get(link_set, link);
+      }
+      CATCH(e) {
+        RETHROW3("Link %s not found between", link);
+      }     
+    }
+    route_new(src_id, dst_id, link_list, nb_link,impact_on_src,
+             impact_on_dst, impact_on_src_with_other_recv,
+             impact_on_dst_with_other_send);
+   }
 
-  /* Figuring out the network links */
-  surf_parse_reset_parser();
-  ETag_surfxml_network_link_fun = parse_network_link;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
+   xbt_dict_free(&route_table);
 
-  /* Building the routes */
-  surf_parse_reset_parser();
-  STag_surfxml_route_fun = parse_route_set_endpoints;
-  ETag_surfxml_route_element_fun = parse_route_elem;
-  ETag_surfxml_route_fun = parse_route_set_route;
-  surf_parse_open(file);
-  xbt_assert1((!surf_parse()), "Parse error in %s", file);
-  surf_parse_close();
-
-  /* Adding loopback if needed */    
-  for (i = 0; i < nb_workstation; i++) 
-    if(!ROUTE(i,i).size) {
-      if(!loopback)
-       loopback = network_link_new(xbt_strdup("__MSG_loopback__"), 
-                                  498.00, NULL, 0.000015, NULL, 
-                                  SURF_NETWORK_LINK_ON, NULL,
-                                  SURF_NETWORK_LINK_FATPIPE);
-      ROUTE(i,i).size=1;
-      ROUTE(i,i).links = xbt_new0(network_link_KCCFLN05_t, 1);
-      ROUTE(i,i).links[0] = loopback;
-    }
+}
 
+static void add_traces(void)
+{
+   xbt_dynar_t trace_connect = NULL;
+   unsigned int cpt;
+   int connect_element, connect_kind;
+   char *value, *trace_id, *connector_id;
+   link_KCCFLN05_t link;
+   cpu_KCCFLN05_t host = NULL;
+   tmgr_trace_t trace;
+   
+   if (!traces_connect_list) return;
+   /*for all trace connects parse them and update traces for hosts or links */
+   xbt_dynar_foreach (traces_connect_list, cpt, value) {
+     trace_connect = xbt_str_split_str(value, "#");
+     trace_id        = xbt_dynar_get_as(trace_connect, 0, char*);
+     connect_element = atoi(xbt_dynar_get_as(trace_connect, 1, char*)); 
+     connect_kind    = atoi(xbt_dynar_get_as(trace_connect, 2, char*));
+     connector_id    = xbt_dynar_get_as(trace_connect, 3, char*);
+
+     xbt_assert1((trace = xbt_dict_get_or_null(traces_set_list, trace_id)), "Trace %s undefined", trace_id);
+
+     if (connect_element == A_surfxml_trace_c_connect_element_HOST) {
+        xbt_assert1((host = xbt_dict_get_or_null(workstation_set, connector_id)), "Host %s undefined", connector_id);
+        switch (connect_kind) {
+           case A_surfxml_trace_c_connect_kind_AVAILABILITY: host->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
+           case A_surfxml_trace_c_connect_kind_POWER: host->power_event = tmgr_history_add_trace(history, trace, 0.0, 0, host); break;
+        }
+     }
+     else {
+        xbt_assert1((link = xbt_dict_get_or_null(link_set, connector_id)), "Link %s undefined", connector_id);
+        switch (connect_kind) {
+           case A_surfxml_trace_c_connect_kind_AVAILABILITY: link->state_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+           case A_surfxml_trace_c_connect_kind_BANDWIDTH: link->bw_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+           case A_surfxml_trace_c_connect_kind_LATENCY: link->lat_event = tmgr_history_add_trace(history, trace, 0.0, 0, link); break;
+        }
+     }
+   }
+
+   xbt_dynar_free(&trace_connect);
+   xbt_dynar_free(&traces_connect_list);
+   xbt_dict_free(&traces_set_list); 
+}
+
+static void define_callbacks(const char *file)
+{
+  CDEBUG0(surf_parse, "Use the KCCFKN05 model");
+                                  
+  /* Adding callback functions */
+  surf_parse_reset_parser();
+  surfxml_add_callback(STag_surfxml_host_cb_list, &parse_cpu_init);
+  surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
+  surfxml_add_callback(STag_surfxml_router_cb_list, &parse_routers);
+  surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
+  surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
+  surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
+  surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
+  surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_route);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_loopback);
+  surfxml_add_callback(ETag_surfxml_platform_cb_list, &add_traces);
+  surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
+  surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
+  surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
+  surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach);
+  surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster);
+  surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init);
+  surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize);
+  surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect);
+  surfxml_add_callback(STag_surfxml_random_cb_list, &init_randomness);
+  surfxml_add_callback(ETag_surfxml_random_cb_list, &add_randomness);
 }
 
 /**************************************/
 /********* Module  creation ***********/
 /**************************************/
 
-static void resource_init_internal(void)
+static void model_init_internal(void)
 {
   s_surf_action_t action;
 
-  surf_workstation_resource = xbt_new0(s_surf_workstation_resource_t, 1);
+  surf_workstation_model = xbt_new0(s_surf_workstation_model_t, 1);
 
-  surf_workstation_resource->common_private =
-      xbt_new0(s_surf_resource_private_t, 1);
-  surf_workstation_resource->common_public =
-      xbt_new0(s_surf_resource_public_t, 1);
-  surf_workstation_resource->extension_public =
-      xbt_new0(s_surf_workstation_resource_extension_public_t, 1);
+  surf_workstation_model->common_private =
+      xbt_new0(s_surf_model_private_t, 1);
+  surf_workstation_model->common_public =
+      xbt_new0(s_surf_model_public_t, 1);
+  surf_workstation_model->extension_public =
+      xbt_new0(s_surf_workstation_model_extension_public_t, 1);
 
-  surf_workstation_resource->common_public->states.ready_action_set =
+  surf_workstation_model->common_public->states.ready_action_set =
       xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_workstation_resource->common_public->states.running_action_set =
+  surf_workstation_model->common_public->states.running_action_set =
       xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_workstation_resource->common_public->states.failed_action_set =
+  surf_workstation_model->common_public->states.failed_action_set =
       xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_workstation_resource->common_public->states.done_action_set =
+  surf_workstation_model->common_public->states.done_action_set =
       xbt_swag_new(xbt_swag_offset(action, state_hookup));
 
-  surf_workstation_resource->common_public->name_service = name_service;
-  surf_workstation_resource->common_public->get_resource_name = get_resource_name;
-  surf_workstation_resource->common_public->action_get_state = surf_action_get_state;
-  surf_workstation_resource->common_public->action_get_start_time =
+  surf_workstation_model->common_public->name_service = name_service;
+  surf_workstation_model->common_public->get_resource_name =
+      get_resource_name;
+  surf_workstation_model->common_public->action_get_state =
+      surf_action_get_state;
+  surf_workstation_model->common_public->action_get_start_time =
       surf_action_get_start_time;
-  surf_workstation_resource->common_public->action_get_finish_time =
+  surf_workstation_model->common_public->action_get_finish_time =
       surf_action_get_finish_time;
-  surf_workstation_resource->common_public->action_use = action_use;
-  surf_workstation_resource->common_public->action_free = action_free;
-  surf_workstation_resource->common_public->action_cancel = action_cancel;
-  surf_workstation_resource->common_public->action_recycle = action_recycle;
-  surf_workstation_resource->common_public->action_change_state = surf_action_change_state;
-  surf_workstation_resource->common_public->action_set_data = surf_action_set_data;
-  surf_workstation_resource->common_public->suspend = action_suspend;
-  surf_workstation_resource->common_public->resume = action_resume;
-  surf_workstation_resource->common_public->is_suspended = action_is_suspended;
-  surf_workstation_resource->common_public->set_max_duration = action_set_max_duration;
-  surf_workstation_resource->common_public->set_priority = action_set_priority;
-  surf_workstation_resource->common_public->name = "Workstation KCCFLN05";
-
-  surf_workstation_resource->common_private->resource_used = resource_used;
-  surf_workstation_resource->common_private->share_resources = share_resources;
-  surf_workstation_resource->common_private->update_actions_state = update_actions_state;
-  surf_workstation_resource->common_private->update_resource_state = update_resource_state;
-  surf_workstation_resource->common_private->finalize = finalize;
-
-  surf_workstation_resource->extension_public->execute = execute;
-  surf_workstation_resource->extension_public->sleep = action_sleep;
-  surf_workstation_resource->extension_public->get_state = resource_get_state;
-  surf_workstation_resource->extension_public->get_speed = get_speed;
-  surf_workstation_resource->extension_public->get_available_speed = get_available_speed;
-  surf_workstation_resource->extension_public->communicate = communicate;
-  surf_workstation_resource->extension_public->execute_parallel_task = execute_parallel_task;
-  surf_workstation_resource->extension_public->get_route = get_route;
-  surf_workstation_resource->extension_public->get_route_size = get_route_size;
-  surf_workstation_resource->extension_public->get_link_name = get_link_name;
-  surf_workstation_resource->extension_public->get_link_bandwidth = get_link_bandwidth;
-  surf_workstation_resource->extension_public->get_link_latency = get_link_latency;
+  surf_workstation_model->common_public->action_use = action_use;
+  surf_workstation_model->common_public->action_free = action_free;
+  surf_workstation_model->common_public->action_cancel = action_cancel;
+  surf_workstation_model->common_public->action_recycle =
+      action_recycle;
+  surf_workstation_model->common_public->action_change_state =
+      surf_action_change_state;
+  surf_workstation_model->common_public->action_set_data =
+      surf_action_set_data;
+  surf_workstation_model->common_public->suspend = action_suspend;
+  surf_workstation_model->common_public->resume = action_resume;
+  surf_workstation_model->common_public->is_suspended =
+      action_is_suspended;
+  surf_workstation_model->common_public->set_max_duration =
+      action_set_max_duration;
+  surf_workstation_model->common_public->set_priority =
+      action_set_priority;
+  surf_workstation_model->common_public->name = "Workstation KCCFLN05";
+
+  surf_workstation_model->common_private->resource_used = resource_used;
+  surf_workstation_model->common_private->share_resources =
+      share_resources;
+  surf_workstation_model->common_private->update_actions_state =
+      update_actions_state;
+  surf_workstation_model->common_private->update_resource_state =
+      update_resource_state;
+  surf_workstation_model->common_private->finalize = finalize;
+
+  surf_workstation_model->extension_public->execute = execute;
+  surf_workstation_model->extension_public->sleep = action_sleep;
+  surf_workstation_model->extension_public->get_state =
+      resource_get_state;
+  surf_workstation_model->extension_public->get_speed = get_speed;
+  surf_workstation_model->extension_public->get_available_speed =
+      get_available_speed;
+
+  surf_workstation_model->common_public->get_properties = get_properties;
+
+  surf_workstation_model->extension_public->communicate = communicate;
+  surf_workstation_model->extension_public->execute_parallel_task =
+      execute_parallel_task;
+  surf_workstation_model->extension_public->get_route = get_route;
+  surf_workstation_model->extension_public->get_route_size =
+      get_route_size;
+  surf_workstation_model->extension_public->get_link_name =
+      get_link_name;
+  surf_workstation_model->extension_public->get_link_bandwidth =
+      get_link_bandwidth;
+  surf_workstation_model->extension_public->get_link_latency =
+      get_link_latency;
 
   workstation_set = xbt_dict_new();
-  network_link_set = xbt_dict_new();
-
-  xbt_assert0(maxmin_system, "surf_init has to be called first!");
+  router_set = xbt_dict_new();
+  link_set = xbt_dict_new(); 
+  if (!maxmin_system)
+    maxmin_system = lmm_system_new();
 }
 
 /**************************************/
 /*************** Generic **************/
 /**************************************/
-void surf_workstation_resource_init_KCCFLN05(const char *filename)
+void surf_workstation_model_init_KCCFLN05(const char *filename)
 {
-  xbt_assert0(!surf_cpu_resource, "CPU resource type already defined");
-  xbt_assert0(!surf_network_resource, "network resource type already defined");
-  resource_init_internal();
-  parse_file(filename);
+  xbt_assert0(!surf_cpu_model, "CPU model type already defined");
+  xbt_assert0(!surf_network_model,
+             "network model type already defined");
+  model_init_internal();
+  define_callbacks(filename);
 
-  xbt_dynar_push(resource_list, &surf_workstation_resource);
+  xbt_dynar_push(model_list, &surf_workstation_model);
 }