RFC 1479 (rfc1479) - Page 1 of 108

Inter-Domain Policy Routing Protocol Specification: Version 1

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Network Working Group                                     M. Steenstrup
Request for Comments: 1479                 BBN Systems and Technologies
                                                              July 1993


     Inter-Domain Policy Routing Protocol Specification: Version 1

Status of this Memo

   This RFC specifies an IAB standards track protocol for the Internet
   community, and requests discussion and suggestions for improvements.
   Please refer to the current edition of the "IAB Official Protocol
   Standards" for the standardization state and status of this protocol.
   Distribution of this memo is unlimited.

Abstract

   We present the set of protocols and procedures that constitute
   Inter-Domain Policy Routing (IDPR).  IDPR includes the virtual
   gateway protocol, the flooding protocol, the route server query
   protocol, the route generation procedure, the path control protocol,
   and the data message forwarding procedure.

Contributors

   The following people have contributed to the protocols and procedures
   described in this document: Helen Bowns, Lee Breslau, Ken Carlberg,
   Isidro Castineyra, Deborah Estrin, Tony Li, Mike Little, Katia
   Obraczka, Sam Resheff, Martha Steenstrup, Gene Tsudik, and Robert
   Woodburn.

Table of Contents

   1. Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . 3
   1.1. Domain Elements . . . . . . . . . . . . . . . . . . . . . . . 3
   1.2. Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
   1.3. IDPR Functions. . . . . . . . . . . . . . . . . . . . . . . . 5
   1.3.1. IDPR Entities . . . . . . . . . . . . . . . . . . . . . . . 6
   1.4. Policy Semantics. . . . . . . . . . . . . . . . . . . . . . . 7
   1.4.1. Source Policies . . . . . . . . . . . . . . . . . . . . . . 7
   1.4.2. Transit Policies. . . . . . . . . . . . . . . . . . . . . . 8
   1.5. IDPR Message Encapsulation. . . . . . . . . . . . . . . . . . 9
   1.5.1. IDPR Data Message Format. . . . . . . . . . . . . . . . . .11
   1.6. Security. . . . . . . . . . . . . . . . . . . . . . . . . . .12
   1.7. Timestamps and Clock Synchronization. . . . . . . . . . . . .13
   1.8. Network Management. . . . . . . . . . . . . . . . . . . . . .14
   1.8.1. Policy Gateway Configuration. . . . . . . . . . . . . . . .17
   1.8.2. Route Server Configuration. . . . . . . . . . . . . . . . .18



Steenstrup
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