On Wed, 12 Aug 2015, Juliusz Chroboczek wrote:
unless your metrics are very simplistic, you won't actually encounter
equal-cost paths
Listen to the man.
But even if you happen to have equal cost paths, or design a suitable
heuristic for non-equal-cost multipath, it's not clear to me that ECMP is
beneficial. ECMP might increase throughput, granted, but it is likely to
increase latency and packet loss. I don't see many cases of intra-home
Why would it increase latency and packet loss (generally)? If I put 2
separate wired connections between two homenet routers, I would just like
it to use both if they seem to work.
So I'd be very cautious about deploying ECMP without a clear
understanding of its performance implications in the particular case of
the home -- does it bring perceptible benefits to the users, which, at
the end of the day, is the only thing that really counts. Which should
of course not prevent us from experimenting, quite the opposite.
I wouldn't want to do ECMP across widely different mediums and make it
super advanced with unequal load balancing etc, but if I hook up two wired
GIGE between two homenet routers, why not use it?
--
Mikael Abrahamsson email: [email protected]
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