[70868] in North American Network Operators' Group
Re: best effort has problems
daemon@ATHENA.MIT.EDU (Matthew Crocker)
Sat May 29 14:27:02 2004
In-Reply-To: <Pine.LNX.4.44.0405291625380.14515-100000@a.mx.ict1.everquick.net>
From: Matthew Crocker <matthew@crocker.com>
Date: Sat, 29 May 2004 14:26:01 -0400
To: 'nanog@merit.edu' <nanog@merit.edu>
Errors-To: owner-nanog-outgoing@merit.edu
> The PSTN doesn't offer guaranteed end-to-end transmission, and
> certainly statmuxes based on expected load. Looks like similar
> capacity planning.
>
The PSTN does guarantee a certain service level, latency, call
completion etc.
> Perhaps you refer to latency. Most people don't care as long as
> HTTP and POP3 latency is "good enough" -- and server response
> time is often a substantial consideration. SMTP really isn't
> picky about latency or jitter.
Latency & Jitter are very important when dealing with sound & video. Or
anything realtime for that matter. The Internet isn't just HTTP, NNTP,
SMTP any more.
>
> Maybe you mean packet loss. Most everyone here can recall the
> days of 30% packet loss across congested MAE FDDI fabric, but
> that went away what seems like eons ago.
I remember quite a bit of packet loss when the last series of worms hit
