Re: Protocols over Frame Relay
Philippe Prindeville <prindevi@inria.inria.fr> Tue, 20 November 1990 04:42 UTC
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Date: Tue, 20 Nov 1990 01:41:00 +0100
From: Philippe Prindeville <prindevi@inria.inria.fr>
Message-Id: <9011200041.AA24906@inria.inria.fr>
To: tmallory@bbn.com
Subject: Re: Protocols over Frame Relay
Cc: frame-relay@NRI.Reston.VA.US
> You ought to be able to negotiate a low rate of LQM traffic per link, if that > is your only problem. Or skip it, since LQM is negotiable. You can just > trust that the FR DCE will supply you with correct up/down indications for > each PVC. Note that routers typically have a higher layer protocol that > ensures connectivity for routing purposes in any case. In a point-to-point view, it might make sense to have each DLCI be a virtual link, with an associated virtual interface, which would have up/down indications based on the state info furnished by the DCE. But in a "cloud" (virtual private net, whatever) I would rather depend on level 3 routing protocols, especially if (a) most [if not all] of the connected systems are routers and (b) multicast is provided by the carrier. -Philip
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