[2168] in North American Network Operators' Group
Re: MCI [ATM overhead]
daemon@ATHENA.MIT.EDU (Gary R Wright)
Tue Mar 19 21:10:22 1996
To: cook@cookreport.com
cc: Jeff Ogden <jogden@merit.edu>, nanog@merit.edu
In-reply-to: Your message of "Tue, 19 Mar 1996 20:15:28 EST."
<Pine.SUN.3.91.960319201039.18489B-100000@tigger.jvnc.net>
Date: Tue, 19 Mar 1996 21:00:56 -0500
From: Gary R Wright <gwright@connix.com>
Gordon Cook writes:
> Jeff, would you or anyone give an example or two of when you get
> PARTIALLY filled ATM cells? I've interviewed dave sincoskie, steve
> tabaska, and Stephen von rump so far. they all rather like ATM. Don't
> believe I heard about this problem from them. You aren't talking about
> the switch not being able to tell whether a cell is mangled before it
> transmits by any chance are you?????
Since TCP/IP packets are of variable length, the last ATM cell
for the packet will not be full. The remaining bytes in the cell
are wasted bandwidth.
Gary Wright --------------------------------- gwright@connix.com
TCP/IP Illustrated Volume 2 ----- http://www.aw.com/cp/Vol2.html
