XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route_vivaldi, surf, "Routing part of surf");
+#define HOST_PEER(peername) bprintf("peer_%s", peername)
+#define ROUTER_PEER(peername) bprintf("router_%s", peername)
+#define LINK_PEER(peername) bprintf("link_%s", peername)
+
static XBT_INLINE double euclidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst) {
double src_coord, dst_coord;