Protocol independent multicast- Next Generation (PIM-NG): Protocol Specifications
draft-sami-pim-ng-14

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Internet working group                                          S. Sami
Internet Draft
Intended status: Proposed standard                    December 22, 2018
Expires: June 2019

         Protocol independent multicast- Next Generation (PIM-NG):
                          Protocol Specifications

                         draft-sami-pim-ng-14.txt

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   This document is subject to BCP 78 and the IETF Trust's Legal
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Abstract

   This document specifies a new generation of PIM family of multicast
   routing protocols called Protocol Independent Multicast-Next
   Generation (PIM-NG) which is faster in source discover and provides
   many features suitable for Different type of networks. PIM-NG uses
   the underlying unicast routing information, but unlike PIM-SM it
   doesn't necessarily need to build unidirectional shared trees rooted
   at a Rendezvous Point (RP) per group. It achieves this due to the
   fact that the processes through which a source registers with the
   Rendezvous Point and a host finds the source of the multicast
   destination groups it needs are done in a whole new way and hence,
   the source of multicast group (G) is discovered faster at the cost of
   additional memory. So at some points PIM-NG works faster than its
   predecessor. Also the new Domain concept, unique to PIM-NG, along the
   RPF check method used in PIM-NG specifications provides many features
   along a robust and flexible control and administration over multicast
   networks.

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Table of Contents

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   Table of figures

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1. Introduction

   This document specifies a protocol for efficiently routing multicast
   groups that may span wide-area (and inter-domain) internets. This
   protocol is called protocol independent multicast-Next Generation or
   simply put PIM-NG. The name is chosen duo to the fact that this new
   protocol has some behaviors similar to PIM-SM, in parts related to
   using the underlying unicast routing information base to find the
   best path to reach a source and not being limited to any specific
   routing protocol.

   But as the overall process of Multicast source discovery is a whole
   new story it is called PIM-NG or the next generation of PIM-SM[7].

   PIM-NG provides many new features and concepts related to multicast
   routing which together open new doors and possibilities. These
   features are but not limited to removing the need for Shared path
   trees to form using a well thought method, being able to easily
   consider transit multicast domains, use as much as 254*255 RPs within
   a single multicast domain. In addition to the previous it provides
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