[e2e] traffic engineering considered harmful
J.Crowcroft at cs.ucl.ac.uk
Wed Jun 13 00:13:27 PDT 2001
In message <Roam.SIMC.184.108.40.2062388675.32157.nordmark at bebop.france>, Erik Nordma
>>In addition to Randy's point about navigation there is also
>>the issue that exploring the available paths to find a good or better
>>path isn't free - it requires sending some number of packets.
>>And each host will do this exploration independently.
funny, isn that what TCP does on a single path right now
>>I guess one could envision agents (e.g. in each site) that would do
>>this type of exploration and be willing to share their information
>>with hosts in the site. But that raises issues about stale information.
there are a lot more hosts than routers and a lot more flows than
routing neighbour state entries - ergo, we already haev a lot of this
data and we jjust need to think a bit better about coordinating it
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