-
-
- <!-- This cluster has a backbone link, but no links are fullduplex.
- -- 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.
- --
- -- Also, the hosts have 4 cores.
- -->
- <cluster id="halfduplex" prefix="node-" radical="0-7" suffix=".4cores.org" speed="1Gf" core="4"
- bw="125MBps" lat="50us" sharing_policy="SHARED"
- bb_bw="2.25GBps" bb_lat="500us" bb_sharing_policy="SHARED" />
-
-
- <!-- And now, we create the routes between the clusters, ie inter-zone routes -->
-
- <!-- We have only one outer link, representing the internet
- -- Its sharing is FATPIPE, meaning that communications have no impact on each others.
- -- Any given comm can use the full provided bandwidth.
- --
- -- This models the big links constituting the backbone of the internet,
- -- that users cannot saturate.
- -- Users' bandwidth is mostly limited by their outgoing connexion,
- -- not by the network backbone. -->
-
- <link id="backbone" bandwidth="1.25GBps" latency="500us" sharing_policy="FATPIPE"/>
-
- <zoneRoute src="simple" dst="backboned"
- gw_src="node-simple_router.1core.org"
- gw_dst="node-backboned_router.2cores.org">
- <link_ctn id="backbone" />
- </zoneRoute>
-
- <zoneRoute src="simple" dst="halfduplex"
- gw_src="node-simple_router.1core.org"
- gw_dst="node-halfduplex_router.4cores.org">
- <link_ctn id="backbone" />
- </zoneRoute>
-
- <zoneRoute src="backboned" dst="halfduplex"
- gw_src="node-backboned_router.2cores.org"
- gw_dst="node-halfduplex_router.4cores.org">
- <link_ctn id="backbone" />
- </zoneRoute>
-</zone>