packet reordering at exchange points

E.B. Dreger eddy+public+spam at noc.everquick.net
Tue Apr 9 19:18:35 UTC 2002


> Date: Tue, 09 Apr 2002 11:16:24 -0700
> From: Paul Vixie <paul at vix.com>


> my expectation is that when the last mile goes to 622Mb/s or 1000Mb/s,
> exchange points will all be operating at 10Gb/s, and interswitch trunks
> at exchange points will be multiples of 10Gb/s.

I guess Moore's Law comes into play again.  One will need some
pretty hefty TCP buffers for a single stream to hit those rates,
unless latency _really_ drops.  (Distributed CDNs, anyone?  Speed
of light ain't getting faster any time soon...)

Of course, IMHO I expect DCDNs to become increasingly common...
but that topic would warrant a thread fork.

Looks like RR ISLs are feasible between GigE+ core switches...


--
Eddy

Brotsman & Dreger, Inc. - EverQuick Internet Division
Phone: +1 (316) 794-8922 Wichita/(Inter)national
Phone: +1 (785) 865-5885 Lawrence

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