Sommaire: Cours wireless application protocol push access protocol specification

Extrait du cours wireless application protocol push access protocol specification

1. Scope
Wireless Application Protocol (WAP) is a result of continuous work to define an industry wide specification for developing applications that operate over wireless communication networks. The scope for the WAP Forum is to define a set of specifications to be used by service applications. The wireless market is growing very quickly and reaching new customers and providing new services. To enable operators and manufacturers to meet the challenges in advanced services, differentiation, and fast/flexible service creation, WAP defines a set of protocols in transport, session and application layers. For additional information on the WAP architecture, refer to “Wireless Application Protocol Architecture Specification” [WAP].
2. Document Status
This document is available online in the following formats:
PDF format at http://www.wapforum.org/.
2.1 Copyright Notice
© Copyright Wireless Application Forum Ltd, 1999.
Terms and conditions of use are available from the Wireless Application Protocol Forum Ltd. web site at
http://www.wapforum.org/docs/copyright.htm.
2.2 Errata
Known problems associated with this document are published at http://www.wapforum.org/.
2.3 Comments 
Comments regarding this document can be submitted to the WAP Forum in the manner published at http://www.wapforum.org/.
3. References
3.1 Normative References
[ISO8601] “Data elements and interchange formats – Information interchange – Representation of dates and times”, International Organization For Standardization (ISO), 15-June-1988  “Data elements and interchange formats – Information interchange – Representation of dates and times, Technical Corrigendum 1”, International Organization For Standardization (ISO) Technical Committee ISO/TC
154, 01-May-1991
[PushOTA] “WAP Push OTA Protocol”, WAP Forum, Ltd., 08-Nov-1999,
URL: http://www.wapforum.org/
[RFC1738] “Uniform Resource Locators (URL)”, T. Berners-Lee, et al., December 1994.
URL: http://www.ietf.org/rfc/rfc1738.txt
[RFC2046] “Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types”, N. Freed, et al.
November 1996, URL: http://www.ietf.org/rfc/rfc2046.txt
3.2 Informative References
[PushArch] « WAP Push Architectural Overview », WAP Forum, 08-Nov-1999
URL: http://www.wapforum.org/
[PushMsg] « WAP Push Message », WAP Forum, 16-August-1999
URL: http://www.wapforum.org/
[RDF] “Resource Description Framework (RDF) Model and Syntax Specification”, W3C
Recommendation, 22-February-1999. URL: http://www.w3.org/TR/REC-rdf-syntax
4. Definitions and Abbreviations
4.1 Definitions
The following are terms and conventions used throughout this specification.
The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”,“RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described by [RFC2119].Application – A value-added data service provided to a WAP Client. The application may utilise both push and pull data transfer to deliver content Application-Level Addressing – the ability to address push content between a particular user agent on a WAP client and push initiator on a server.Bearer Network – a network used to carry the messages of a transport-layer protocol between physical devices. Multiple bearer networks may be used over the life of a single push session.
5-Introduction
Figure 1 shows the WAP Push architecture. The Push Access protocol is used by a Push Initiator residing on an Internet server to access a push proxy gateway. This access protocol is the subject of this specification. The Push Access Protocol is designed to be independent of the underlying transport protocol. This specification defines in section 14 how to implement PAP over HTTP [RFC2616]; other transports  e.g. SMTP) may be described in the future.

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Wireless application protocol push access protocol specification PDF (636 KO) (Cours PDF)