Re: Protocols over Frame Relay [multicasting]

Steve Deering <deering@pescadero.stanford.edu> Sat, 17 November 1990 00:18 UTC

Received: from pescadero.stanford.edu by NRI.NRI.Reston.VA.US id aa05917; 16 Nov 90 19:18 EST
Received: by Pescadero.Stanford.EDU (5.59/25-eef) id AA18135; Fri, 16 Nov 90 16:16:25 PDT
Date: 16 Nov 1990 16:05-PST
From: Steve Deering <deering@pescadero.stanford.edu>
Subject: Re: Protocols over Frame Relay [multicasting]
To: Fred Baker <fbaker@acc.com>
Cc: frame-relay@NRI.Reston.VA.US
Message-Id: <90/11/16 1605.171@pescadero.stanford.edu>
In-Reply-To: Fred Baker's message of Fri, 16 Nov 90 092403 PST

> I don't disagree that Multicast makes life simpler in a lot of ways.  I
> think it can quickly change from an 'ease of use' issue to a traffic
> issue, though.

Done right, multicasting can *reduce* traffic, rather than increase it,
in particular when a multicast packet replaces a series of identical
unicasts to different destinations.

> ... And (unless one invokes IEEE 802.1) the algorithms for multicasting
> in a general network can be unfun.

Don't believe him!  :-)

Steve