[87497] in North American Network Operators' Group

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Re: Addressing versus Routing (Was: Deploying IPv6 in a datacenter)

daemon@ATHENA.MIT.EDU (Daniel Roesen)
Wed Dec 21 18:19:28 2005

Date: Thu, 22 Dec 2005 00:19:04 +0100
From: Daniel Roesen <dr@cluenet.de>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <80632326218FE74899BDD48BB836421A032FBB@Dul1wnexmb04.vcorp.ad.vrsn.com>
Errors-To: owner-nanog@merit.edu


On Wed, Dec 21, 2005 at 06:11:17PM -0500, Hannigan, Martin wrote:
> > Correct. And there you have minimum frame spacing requirements (IFG)
> > and (e.g. with 10Base2 networks) minimum distance between stations
> > attached to the bus to allow CSMA/CD work correctly.
> 
> Interframe gap has no dependancy on station vector. The dependancy
> for CSMA/CD was bits on the wire and the alogorithm backed off until
> it was free to transmit. 
> 
> Are you talking about something else?

I cannot remember the details unfortunately. It was some limits on
transmission to ensure that the collision recovery could work correctly.
I thought it was related to IFG.

BTW, I did mention IFG and the minimum distance between stations on bus
as seperate issues, not connected issues. Was that a misunderstanding?


Best regards,
Daniel

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