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Mobile Internet and WAP

Mobile Internet and WAP. Topics to be covered. WWW Programming Model WAP Programming Model WAP Gateway. WWW Programming Model. WWW Programming Model. Standard Naming model: URL Content types: Specific Types like jpg Languages: Scripts: Client Side or Server Side

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Mobile Internet and WAP

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  1. Mobile Internet and WAP

  2. Topics to be covered • WWW Programming Model • WAP Programming Model • WAP Gateway

  3. WWW Programming Model

  4. WWW Programming Model • Standard Naming model: • URL • Content types: • Specific Types like jpg • Languages: • Scripts: Client Side or Server Side • Standard Protocols: • HTTP, TCP/IP

  5. WAP Programming Model • Wireless Application Protocol • Open and Global specification • An application communication protocol • Used to access services and information • Designed for micro browsers • Uses mark-up language WML (not HTML) defined as an XML application • OS independent

  6. WAP Programming Model

  7. WAP Programming Model • Similar to WWW but needs enhancements • Slow CPU • Low Bandwidth • Less memory and small screen size • High Latency • Current Version : WAP 2.0

  8. WAP Protocol Stack

  9. WAP Protocol Stack • WAE includes a micro-browser which provides • WML • WML script • WTA • Content formats • WML : Tag language, allows text portion of Web Pages to be presented on cellular phone/PDA

  10. WAP GateWay • Three kind of servers: • Origin Server • Proxy Server • Gateway • Duties • Header Translation • Push Operation • Content Compilation

  11. Wap GateWay

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