Date: Wed, 1 Nov 95 08:54:57 EST From: witz@chipcom.com To: p8021@nic.hep.net, alan@archway.demon.co.uk Subject: Re: IP multicast, Floyd Backes's presentation, Denver To be fair, the presentation is taken out of context... Members of the working group in Denver mentioned that the meltdown(s) were related to implementation bug(s), not protocol design problems. Taken out of context, the email is unfair to Cisco. Thanks - Steve Extracted from Alan's email: From: Alan M Chambers To: p8021@nic.hep.net Subject: IP multicast, Floyd Backes's presentation, Denver Reply-To: alan@archway.demon.co.uk Date: Wed, 01 Nov 1995 02:07:22 +0100 =================================================================== PIM -- Multicast "Forwarding" Protocol * Distribution Tree begins as static tree of selected routers, called Rendezvous Points (RPs) * Algorithm of Prunes and Graphs to move traffic from RP tree to shortest path tree * Protocol issues not fully known, practice is restricted to Cisco environments * Several incidents of MBONE meltdown related to PIM clouds ===================================================================