bb_bw="2.25GBps" bb_lat="500us"/>
- <!-- This cluster has a backbone link, but no links are fullduplex.
+ <!-- This cluster has a backbone link, but no links are splitduplex.
-- It means that up and down communications compete as if they
-- were using exactly the same resource. If you send and receive
-- at the same time, then each get half of the bandwidth.