RFC 1768 (rfc1768) - Page 1 of 45


Host Group Extensions for CLNP Multicasting



Alternative Format: Original Text Document



Network Working Group                                          D. Marlow
Request for Comments: 1768                                       NSWC-DD
Category: Experimental                                        March 1995


              Host Group Extensions for CLNP Multicasting

Status of this Memo

   This memo defines an Experimental Protocol for the Internet
   community.  This memo does not specify an Internet standard of any
   kind.  Discussion and suggestions for improvement are requested.
   Distribution of this memo is unlimited.

Abstract

   This memo documents work performed in the TUBA (TCP/UDP over Bigger
   Addresses) working group of IPng area prior to the July 1994 decision
   to utilize SIPP-16 as the basis for IPng.  The TUBA group worked on
   extending the Internet Protocol suite by the use of ISO 8473 (CLNP)
   and its related routing protocols.  This memo describes multicast
   extensions to CLNP and its related routing protocols for Internet
   multicast use.  Publication of this memo does not imply acceptance by
   any IETF Working Group for the ideas expressed within.

   This memo provides a specification for multicast extensions to the
   CLNP protocol similar to those provided to IP by RFC 1112.  These
   extensions are intended to provide the mechanisms needed by a host
   for multicasting in a CLNP based Internet.  This memo covers
   addressing extensions to the CLNP addressing structure, extensions to
   the CLNP protocol and extensions to the ES-IS protocol.  An appendix
   discusses the differences between IP multicast and the CLNP multicast
   approach provided in this memo.

Acknowledgments

   The specification provided here was developed by a number of
   individuals in the IETF TUBA working group as well as the ANSI X3S3.3
   and ISO SC6 WG2 committees.  Key contributions were made by Steve
   Deering, Joel Halpern, Dave Katz and Dave Oran.











Marlow