[29233] in North American Network Operators' Group
Re: exchange point media (was: Re: MAE-EAST Moving? ...)
daemon@ATHENA.MIT.EDU (Bora Akyol)
Thu Jun 15 00:26:42 2000
Message-ID: <005301bfd67c$3e88e170$af3710ac@pluris.com>
From: "Bora Akyol" <akyol@akyol.org>
To: "Brandon Ross" <bross@netrail.net>, <nanog@merit.edu>
Date: Wed, 14 Jun 2000 20:46:09 -0700
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Has anyone seen a percentage of traffic that is statistically significant
for MTU's higher than 1500. Stats that I see pretty much show 99% of traffic
below 1500.
Bora
----- Original Message -----
From: "Brandon Ross" <bross@netrail.net>
To: <nanog@merit.edu>
Sent: Wednesday, June 14, 2000 7:35 PM
Subject: Re: exchange point media (was: Re: MAE-EAST Moving? ...)
>
> On Wed, 14 Jun 2000, Mikael Abrahamsson wrote:
>
> > On Wed, 14 Jun 2000 dhudes@hudes.org wrote:
> >
> > > Isn't the push to MAE-ATM ?
> >
> > Are there any other suggestions, other than ATM?
>
> [snip]
>
> > Gigabit ethernet sounds nice but the MTU of 1500 is really restricting
> > that technology.
>
> While there are certainly shortcomings to using GbE as a public exchange
> infrastructure, I fail to see how a 1500 byte MTU has anything to do with
> it. In every network I have ever seen, there have very, very rarely been
> any packets larger than 1500 bytes.
>
> The only case that I can think of where that becomes important is in a
> MPLS exhange model where adding the label to large packets would cause
> fragmentation or broken TCP sessions for the PMTUD challenged.
>
> Brandon Ross 404-522-5400
> VP Engineering, NetRail http://www.netrail.net
> AIM: BrandonNR ICQ: 2269442
> Read RFC 2644!
> Stop Smurf attacks! Configure your router interfaces to block directed
> broadcasts. See http://www.quadrunner.com/~chuegen/smurf.cgi for details.
>
>
