RFC 1526 (rfc1526) - Page 1 of 8
Assignment of System Identifiers for TUBA/CLNP Hosts
Alternative Format: Original Text Document
Network Working Group D. Piscitello
Request for Comments: 1526 Bellcore
Category: Informational September 1993
Assignment of System Identifiers for TUBA/CLNP Hosts
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard. Distribution of this memo is
unlimited.
Abstract
This document describes conventions whereby the system identifier
portion of an RFC 1237 style NSAP address may be guaranteed
uniqueness within a routing domain for the purpose of
autoconfiguration in TUBA/CLNP internets. The mechanism is extensible
and can provide a basis for assigning system identifiers in a
globally unique fashion.
Introduction
This memo specifies methods for assigning a 6 octet system identifier
portion of the OSI NSAP address formats described in "Guidelines for
OSI NSAP Allocation in the Internet" [1], in a fashion that ensures
that the ID is unique within a routing domain. It also recommends
methods for assigning system identifiers having lengths other than 6
octets. The 6 octet system identifiers recommended in this RFC are
assigned from 2 globally administered spaces (IEEE 802 or "Ethernet",
and IP numbers, administered by the Internet Assigned Numbers
Authority, IANA).
At this time, the primary purpose for assuring uniqueness of system
identifiers is to aid in autoconfiguration of NSAP addresses in
TUBA/CLNP internets [2]. The guidelines in this paper also establish
an initial framework within which globally unique system identifiers,
also called endpoint identifiers, may be assigned.
Acknowledgments
Many thanks to Radia Perlman, Allison Mankin, and Ross Callon of for
their insights and assistance. Thanks also to the Ethernet connector
to my MAC, which conveniently and quite inobtrusively fell out,
enabling me to get an entire day's worth of work done without email
interruptions.
Piscitello