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Multicast-Scope Zone Announcement Protocol (MZAP) (RFC2776)

IP.com Disclosure Number: IPCOM000003374D
Original Publication Date: 2000-Feb-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 22 page(s) / 57K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Handley: AUTHOR [+3]

Abstract

This document defines a protocol, the Multicast-Scope Zone Announcement Protocol (MZAP), for discovering the multicast administrative scope zones that are relevant at a particular location. MZAP also provides mechanisms whereby common misconfigurations of administrative scope zones can be discovered.

This text was extracted from a ASCII Text document.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group M. Handley

Request for Comments: 2776 ACIRI

Category: Standards Track D. Thaler

Microsoft

R. Kermode

Motorola

February 2000

Multicast-Scope Zone Announcement Protocol (MZAP)

Status of this Memo

This document specifies an Internet standards track protocol for the

Internet community, and requests discussion and suggestions for

improvements. Please refer to the current edition of the "Internet

Official Protocol Standards" (STD 1) for the standardization state

and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (2000). All Rights Reserved.

Abstract

This document defines a protocol, the Multicast-Scope Zone

Announcement Protocol (MZAP), for discovering the multicast

administrative scope zones that are relevant at a particular

location. MZAP also provides mechanisms whereby common

misconfigurations of administrative scope zones can be discovered.

Table of Contents

1 Introduction ................................................ 2

2 Terminology ................................................. 4

3 Overview .................................................... 5

3.1 Scope Nesting ............................................. 6

3.2 Other Messages ............................................ 7

3.3 Zone IDs .................................................. 7

4 Detecting Router Misconfigurations .......................... 8

4.1 Detecting non-convex scope zones .......................... 8

4.2 Detecting leaky boundaries for non-local scopes ........... 9

4.3 Detecting a leaky Local Scope zone ........................ 10

4.4 Detecting conflicting scope zones ......................... 10

5 Packet Formats .............................................. 11

5.1 Zone Announcement Message ................................. 14

5.2 Zone Limit Exceeded (ZLE) ................................. 15

5.3 Zone Convexity Message .................................... 15

5.4 Not-Inside Message ........................................ 16

6 Message Processing Rules .................................... 17

6.1 Internal entities listening to MZAP messages .............. 17

6.2 Sending ZAMs .............................................. 18

6.3 Receiving ZAMs ............................................ 18

6.4 Sending ZLEs .............................................. 20

6.5 Receiving ZLEs ............................................ 20

6.6 Sending ZCMs .............................................. 21

6.7 Receiving ZCMs ..........................................