SIMPLE协议学习（1）：相关的标准文档列表（更新...)

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本文档概述了一系列关于即时通讯及出席协议（IMP）的关键RFC文档，涵盖了从IMP的基础模型到具体实现的各项要求，并介绍了SIP协议及其在IMP中的应用。

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一 RFC相关文档
1、 A Model for Presence and Instant Messaging(RFC2778)
Abstract

This document defines an abstract model for a presence and instant messaging system. It defines the various entities involved, defines terminology, and outlines the services provided by the system. The goal is to provide a common vocabulary for further work on requirements for protocols and markup for presence and instant messaging.

定义了IMP(出席和即时消息)中术语和实体；描述了一个模型。

2 Instant Messaging / Presence Protocol Requirements(RFC2779)
Abstract

This document defines a minimal set of requirements that IMPP(Instant Messaging and Presence Protocol) must meet.

Presence is a means for finding, retrieving, and subscribing to changes in the presence information (e.g. "online" or "offline") of other users. Instant messaging is a means for sending small, simple messages that are delivered immediately to online users.

对RFC2778中术语和实体的要求，包括必须(MUST)实现和应该(SHOULD)实现的。

3 SIP: Session Initiation Protocol(RFC3261)
Abstract

This document describes Session Initiation Protocol (SIP), an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences.

SIP协议。

4 A Presence Event Package for the Session Initiation Protocol (SIP)(RFC3856)
Abstract

This document describes the usage of the Session Initiation Protocol(SIP) for subscriptions and notifications of presence. Presence is defined as the willingness and ability of a user to communicate with other users on the network.

描述了如何使用SIP协议实现出席系统(presence)中的订阅(subscription)和通知(notification)。

5 Presence Information Data Format (PIDF)(RFC 3863)

This memo specifies the Common Profile for Presence (CPP) Presence Information Data Format (PIDF) as a common presence data format for CPP-compliant Presence protocols, and also defines a new media type "application/pidf+xml" to represent the XML MIME entity for PIDF.

6 A Watcher Information Event Template-Package for the Session Initiation Protocol (SIP) (RFC 3857)

7 An Extensible Markup Language (XML) Based Format for Watcher Information (RFC 3858)

8 Indication of Message Composition for Instant Messaging (RFC 3994)

9 A Data Model for Presence (RFC 4479)

10 CIPID: Contact Information in Presence Information Data Format (RFC 4482)

11 RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF) (RFC 4480)

12 Timed Presence Extensions to the Presence Information Data Format (PIDF) to Indicate Status Inormation for Past and Future Time Intervals (RFC 4481)

13 A Session Initiation Protocol (SIP) Event Notification Extension for Resource Lists (RFC 4662)

14 An Extensible Markup Language (XML) Based Format for Event Notification Filtering (RFC 4661)

15 Functional Description of Event Notification Filtering (RFC 4660)

16 An Extensible Markup Language (XML) Configuration Access Protocol (XCAP) Usage for Manipulating Presence Document Contents (RFC 4827)

17 Extensible Markup Language (XML) Formats for Representing Resource Lists (RFC 4826)

18 The Extensible Markup Language (XML) Configuration Access Protocol (XCAP) (RFC 4825)

19 Relay Extensions for the Message Sessions Relay Protocol (MSRP) (RFC 4976)

20 The Message Session Relay Protocol (MSRP) (RFC 4975)

参考：SIMPLE charter maintained by the IETF Secretariat