RFC 1561 (rfc1561) - Page 1 of 25

Use of ISO CLNP in TUBA Environments

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Network Working Group                                      D. Piscitello
Request for Comments: 1561                               Core Competence
Category: Experimental                                     December 1993


                  Use of ISO CLNP in TUBA Environments

Status of this Memo

   This memo defines an Experimental Protocol for the Internet
   community.  This memo does not specify an Internet standard of any
   kind.  Discussion and suggestions for improvement are requested.
   Distribution of this memo is unlimited.

Abstract

   This memo specifies a profile of the ISO/IEC 8473 Connectionless-mode
   Network Layer Protocol (CLNP, [1]) for use in conjunction with RFC
   1347, TCP/UDP over Bigger Addresses (TUBA, [2]).  It describes the
   use of CLNP to provide the lower-level service expected by
   Transmission Control Protocol (TCP, [3]) and User Datagram Protocol
   (UDP, [4]).  CLNP provides essentially the same datagram service as
   Internet Protocol (IP, [5]), but offers a means of conveying bigger
   network addresses (with additional structure, to aid routing).

   While the protocols offer nearly the same services, IP and CLNP are
   not identical. This document describes a means of preserving the
   semantics of IP information that is absent from CLNP while preserving
   consistency between the use of CLNP in Internet and OSI environments.
   This maximizes the use of already-deployed CLNP implementations.

Acknowledgments

   Many thanks to Ross Callon (Wellfleet Communications), John Curran
   (BBN), Cyndi Jung (3Com), Paul Brooks (UNSW), Brian Carpenter (CERN),
   Keith Sklower (Cal Berkeley), Dino Farinacci and Dave Katz (Cisco
   Systems), Rich Colella (NIST/CSL) and David Oran (DEC) for their
   assistance in composing this text.













Piscitello
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