Guidelines for OSI NSAP Allocation in the Internet
RFC 1237

Document Type RFC - Proposed Standard (July 1991; No errata)
Obsoleted by RFC 1629
Last updated 2013-03-02
Stream IETF
Formats plain text pdf ps htmlized bibtex
Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state RFC 1237 (Proposed Standard)
Consensus Boilerplate Unknown
Telechat date
Responsible AD (None)
Send notices to (None)
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 3]
    

    
    
    
    
    RFC 1237  Guidelines for OSI NSAP Allocation in the Internet  July 1991
    
    
    
    1   Introduction
Show full document text