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IPv4 Multihoming Practices and Limitations (RFC4116)

IP.com Disclosure Number: IPCOM000126486D
Original Publication Date: 2005-Jul-01
Included in the Prior Art Database: 2005-Jul-21
Document File: 14 page(s) / 27K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Abley: AUTHOR [+5]

Abstract

Multihoming is an essential component of service for many Internet sites. This document describes some implementation strategies for multihoming with IPv4 and enumerates features for comparison with other multihoming proposals (particularly those related to IPv6).

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 11% of the total text.

Network Working Group                                           J. Abley
Request for Comments: 4116                                           ISC
Category: Informational                                     K. Lindqvist
                                                Netnod Internet Exchange
                                                               E. Davies
                                                  Independent Researcher
                                                                B. Black
                                                         Layer8 Networks
                                                                 V. Gill
                                                                     AOL
                                                               July 2005


               IPv4 Multihoming Practices and Limitations

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2005).

Abstract

   Multihoming is an essential component of service for many Internet
   sites.  This document describes some implementation strategies for
   multihoming with IPv4 and enumerates features for comparison with
   other multihoming proposals (particularly those related to IPv6).


Abley, et al.                Informational                      [Page 1]
RFC 4116                    IPv4 Multihoming                   July 2005


Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................3
   3. IPv4 Multihoming Practices ......................................4
      3.1. Multihoming with BGP .......................................4
           3.1.1. Addressing Considerations ...........................4
           3.1.2. AS Number Considerations ............................6
      3.2. Multiple Attachments to a Single Transit Provider ..........6
      3.3. NAT- or RFC2260-based Multihoming ..........................7
   4. Features of IPv4 Multihoming ....................................7
      4.1. Redundancy ................