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Guidelines for OSI NSAP Allocation in the Internet (RFC1237)

IP.com Disclosure Number: IPCOM000002052D
Original Publication Date: 1991-Jul-01
Included in the Prior Art Database: 2001-Oct-24

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Collela: AUTHOR [+3]

Abstract

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    Network Working Group                            Richard Colella (NIST)

    Request for Comments: 1237                         Ella Gardner (Mitre)

                                                          Ross Callon (DEC)

                                                                  July 1991

               Guidelines for OSI NSAP Allocation in the Internet

    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

    The Internet is moving towards a multi-protocol environment that

    includes OSI. To support OSI in the Internet, an OSI lower layers

    infrastructure is required. This infrastructure comprises the

    connectionless network protocol (CLNP) and supporting routing

    protocols. Also required as part of this infrastructure are guidelines

    for network service access point (NSAP) address assignment. This paper

    provides guidelines for allocating NSAPs in the Internet.

    This document provides our current best judgment for the allocation

    of NSAP addresses in the Internet. This is intended to guide initial

    deployment of OSI 8473 (Connectionless Network Layer Protocol) in

    the Internet, as well as to solicit comments. It is expected that

    these guidelines may be further refined and this document updated as a

    result of experience gained during this initial deployment.

    RFC 1237  Guidelines for OSI NSAP Allocation in the Internet  July 1991

    Contents

    1   Introduction                                                      4

    2   Scope                                                             4

    3   Background                                                        6

        3.1 OSI Routing Standards  .  .  .  .  .  .  .  .  .  .  .  .     7

        3.2 Overview of DIS10589    . .  .  .  .  .  .  .  .  .  .  .     8

        3.3 Requirements of DIS10589 on NSAPs  .  .  .  .  .  .  .  .    11

    4   NSAP and Routing                                                 13

    5   NSAP Administration and Routing in the Internet                  17

        5.1 Administration at the Area   .  .  .  .  .  .  .  .  .  .    19

        5.2 Administration at the Leaf Routing Domain   .  .  .  .  .    21

        5.3 Administration at the Transit Routing Domain   .  .  .  .    21

            5.3.1  Regionals  .  .  .  .  .  .  .  .  .  . .  .  .  .    22

            5.3.2  Backbones  .  .  .  .  .  .  .  .  .  . .  .  .  .    23

        5.4 Multi-homed Routing Domains  .  .  .  .  .  .  .  .  .  .    24

        5.5 Private Links  .  . .  .  .  .  .  .  .  .  .  .  .  .  .    29

        5.6 Zero-Homed Routing Domains   .  .  .  .  .  .  .  .  .  .    30

        5.7 Transition Issues    .  . .  .  .  .  .  .  .  .  .  .  .    31

    6   Recommendations                                                  34

        6.1 Recommendations Specific to U.S. Parts of the Internet  .    35

    Colella, Gardner, & Callon                                     [Page 2]

    RFC 1237  Guidelines for OSI NSAP Allocation in the Internet  July 1991

        6.2 Recommendations Specific to Non-U.S. Parts of the Internet   37

        6.3 Recommendations for Multi-Homed Routing Domains   .  .  .    37

    7   Security Considerations                                          38

    8   Authors' Addresses                                               39

    9   Acknowledgments                                                  39

    A   Administration of NSAPs                                          40

        A.1 GOSIP Version 2 NSAPs  .  .  .  .  .  .  .  .  .  .  .  .    41

            A.1.1  Application for Administrative Authority Identifiers  42

            A.1.2  Guidelines for NSAP Assignment  .  . .  .  .  .  .    44

        A.2 Data Country Code NSAPs   .  .  .  .  .  .  .  .  .  .  .    45

            A.2.1  Application for Numeric Organization Name   .  .  .   46

        A.3 Summary of Administrative Requirements   .  .  .  .  .  .    46

    Colella, Gardner, & Callon                                     [Page...