RFC 2546 (rfc2546) - Page 1 of 10

6Bone Routing Practice

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Network Working Group                                          A. Durand
Request for Comments: 2546                                          IMAG
Category: Informational                                        B. Buclin
                                                        AT&T Labs Europe
                                                              March 1999


                         6Bone Routing Practice

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 (1999).  All Rights Reserved.

1.  Introduction

   The 6Bone is an environment supporting experimentation with the IPv6
   protocols and products implementing it. As the network grows, the
   need for common operation rules emerged. In particular, operation of
   the 6Bone backbone is a challenge due to the frequent insertion of
   bogus routes by leaf or even backbone sites.

   This memo identifies guidelines on how 6Bone sites might operate, so
   that the 6Bone can remain a quality experimentation environment and
   to avoid pathological situations that have been encountered in the
   past. It defines the 'best current practice' acceptable in the 6Bone
   for the configuration of both Interior Gateway Protocols (such as
   RIPng [RFC 2080]) and Exterior Gateway Protocols (like BGP4+ [RFC
   2283]).

   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 [RFC 2119].

2.  Basic principles

   The 6Bone is structured as a hierarchical network with pseudo Top
   Level Aggregator (pTLA) sites, pseudo Next Level Aggregator (pNLA)
   sites and leaf sites. This topology supports the IPv6 address
   aggregation architecture as described in [1]. The 6Bone backbone is
   made of a mesh interconnecting pTLAs only. pNLAs connect to one or
   more pTLAs and provide transit service for leaf sites.




Durand & Buclin              Informational
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