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Authentication, Authorization and Accounting (AAA) Transport Profile (RFC3539)

IP.com Disclosure Number: IPCOM000014685D
Original Publication Date: 2003-Jun-01
Included in the Prior Art Database: 2003-Jun-20
Document File: 42 page(s) / 93K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Aboba: AUTHOR [+2]

Abstract

This document discusses transport issues that arise within protocols for Authentication, Authorization and Accounting (AAA). It also provides recommendations on the use of transport by AAA protocols. This includes usage of standards-track RFCs as well as experimental proposals.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 3% of the total text.

Network Working Group                                           B. Aboba

Request for Comments: 3539                                     Microsoft

Category: Standards Track                                        J. Wood

                                                  Sun Microsystems, Inc.

                                                               June 2003

  Authentication, Authorization and Accounting (AAA) Transport Profile

Status of this Memo

   This document specifies an Internet standards track protocol for the

   Internet community, and requests discussion and suggestions for

   improvements.  Please refer to the current edition of the "Internet

   Official Protocol Standards" (STD 1) for the standardization state

   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   This document discusses transport issues that arise within protocols

   for Authentication, Authorization and Accounting (AAA).  It also

   provides recommendations on the use of transport by AAA protocols.

   This includes usage of standards-track RFCs as well as experimental

   proposals.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2

       1.1.  Requirements Language. . . . . . . . . . . . . . . . . .  2

       1.2.  Terminology. . . . . . . . . . . . . . . . . . . . . . .  2

   2.  Issues in Transport Usage. . . . . . . . . . . . . . . . . . .  5

       2.1.  Application-driven Versus Network-driven . . . . . . . .  5

       2.2.  Slow Failover. . . . . . . . . . . . . . . . . . . . . .  6

       2.3.  Use of Nagle Algorithm . . . . . . . . . . . . . . . . .  7

       2.4.  Multiple Connections . . . . . . . . . . . . . . . . . .  7

       2.5.  Duplicate Detection. . . . . . . . . . . . . . . . . . .  8

       2.6.  Invalidation of Transport Parameter Estimates. . . . . .  8

       2.7.  Inability to use Fast Re-Transmit. . . . . . . . . . . .  9

       2.8.  Congestion Avoidance . . . . . . . . . . . . . . . . . .  9

       2.9.  Delayed Acknowledgments. . . . . . . . . . . . . . . . . 11

       2.10. Premature Failover . . . . . . . . . . . . . . . . . . . 11

       2.11. Head of Line Blocking. . . . . . . . . . . . . . . . . . 11

       2.12. Connection Load Balancing. . . . . . . . . . . . . . . . 12

Aboba & Wood                Standards Track                     [Page 1]

RFC 3539                 AAA Transport Profile                 June 2003

   3.  AAA Transport Profile. . . . . . . . . . . . . . . . . . . . . 12

       3.1.  Trans...