RFC 1237 · PROPOSED STANDARD · 1991
TUE · 15 SEP 2026
Guidelines for OSI NSAP Allocation in the Internet
Overview
RFC 1237, “Guidelines for OSI NSAP Allocation in the Internet”, is a Proposed Standard document published in July 1991 by R. Colella, E. Gardner, R. Callon. It has been obsoleted by RFC 1629 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This paper provides guidelines for allocating NSAPs in the Internet.[STANDARDS-TRACK]
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
Read this RFC
The canonical text of RFC 1237 is hosted at rfc-editor.org. Available in TXT,PS,PDF,HTML.
Relationships to other RFCs
Other RFCs from 1991
- RFC 1236 IP to X.121 address mapping for DDN
- RFC 1238 CLNS MIB for use with Connectionless Network Protocol and End System to Intermediate System
- RFC 1235 Coherent File Distribution Protocol
- RFC 1239 Reassignment of experimental MIBs to standard MIBs
- RFC 1234 Tunneling IPX traffic through IP networks
- RFC 1240 OSI connectionless transport services on top of UDP: Version 1
- RFC 1233 Definitions of managed objects for the DS3 Interface type
- RFC 1241 Scheme for an internet encapsulation protocol: Version 1