IGMP Router Extensions for Routing to Sparse Multicast-Groups

Document Type Expired Internet-Draft (idmr WG)
Authors Deborah Estrin  , Van Jacobson  , Dino Farinacci  , Steve Deering
Last updated 1993-10-28
Stream Internet Engineering Task Force (IETF)
Intended RFC status (None)
Expired & archived
pdf htmlized bibtex
Stream WG state WG Document
Document shepherd No shepherd assigned
IESG IESG state Expired
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes a mechanism for efficiently routing to sparse multicast groups that span wide-area (and inter-domain) internets. The implementation of our approach is based on extensions to IGMP[RFC1112] and makes use of explicit source lists. We refer to the scheme as ESL.


Deborah Estrin (destrin@isi.edu)
Van Jacobson (van@ee.lbl.gov)
Dino Farinacci (dino@cisco.com)
Steve Deering (deering@cisco.com)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)