RFC 3340 (rfc3340) - Page 1 of 40

The Application Exchange Core

Alternative Format: Original Text Document
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Network Working Group                                            M. Rose
Request for Comments: 3340                  Dover Beach Consulting, Inc.
Category: Standards Track                                       G. Klyne
                                                  Clearswift Corporation
                                                              D. Crocker
                                             Brandenburg InternetWorking
                                                               July 2002


                     The Application Exchange Core

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 (2002).  All Rights Reserved.

Abstract

   This memo describes Application Exchange (APEX) Core, an extensible,
   asynchronous message relaying service for application layer programs.

Table of Contents

   1.      Introduction . . . . . . . . . . . . . . . . . . . . . . .  2
   1.1     Overview . . . . . . . . . . . . . . . . . . . . . . . . .  3
   1.2     Architecture at a Glance . . . . . . . . . . . . . . . . .  4
   2.      Service Principles . . . . . . . . . . . . . . . . . . . .  5
   2.1     Modes of Operation . . . . . . . . . . . . . . . . . . . .  5
   2.2     Naming of Entities . . . . . . . . . . . . . . . . . . . .  6
   2.2.1   Comparing Endpoints  . . . . . . . . . . . . . . . . . . .  7
   3.      Service Provisioning . . . . . . . . . . . . . . . . . . .  7
   3.1     Connection Establishment . . . . . . . . . . . . . . . . .  7
   3.2     Authentication . . . . . . . . . . . . . . . . . . . . . .  8
   3.3     Authorization  . . . . . . . . . . . . . . . . . . . . . .  8
   3.4     Confidentiality  . . . . . . . . . . . . . . . . . . . . .  8
   3.5     Relaying Integrity . . . . . . . . . . . . . . . . . . . .  8
   3.6     Traffic Analysis . . . . . . . . . . . . . . . . . . . . .  9
   4.      The APEX . . . . . . . . . . . . . . . . . . . . . . . . .  9
   4.1     Use of XML and MIME  . . . . . . . . . . . . . . . . . . .  9
   4.2     Profile Identification and Initialization  . . . . . . . . 10
   4.3     Message Syntax . . . . . . . . . . . . . . . . . . . . . . 11



Rose, et. al.               Standards Track
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