RFC 3386 (rfc3386) - Page 1 of 27

Network Hierarchy and Multilayer Survivability

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Network Working Group                                        W. Lai, Ed.
Request for Comments: 3386                                          AT&T
Category: Informational                                  D. McDysan, Ed.
                                                                WorldCom
                                                           November 2002


            Network Hierarchy and Multilayer Survivability

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 (2002).  All Rights Reserved.

Abstract

   This document presents a proposal of the near-term and practical
   requirements for network survivability and hierarchy in current
   service provider environments.

Conventions used in this document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in BCP 14, RFC 2119 [2].





















Lai, et. al.                 Informational

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