WAP Binary XML Content Format

Bruce Martin, Bashar Jano

Bruce Martin, Bashar Jano, WAP Binary XML Content Format, World Wide Web Consortium, Note NOTE-wbxml-19990624, June 1999.

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 of 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 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). This specification defines a compact binary representation of the Extensible Markup Language (XML). The binary XML content format is designed to reduce the transmission size of XML documents, allowing more effective use of XML data on narrowband communication channels. Refer to the WML specification for one example use of the binary XML content format. The binary format was designed to allow for compact transmission with no loss of functionality or semantic information. The format is designed to preserve the element structure of XML, allowing a browser to skip unknown elements or attributes. The binary format encodes the parsed physical form of an XML document, i.e., the structure and content of the document entities. Meta-information, including the document type definition and conditional sections, is removed when the document is converted to the binary format.


Keywords: WBXML (Wireless Binary XML);


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