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: Content types: Languages:
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: Duties Origin Server Proxy Server
Header Translation
Push Operation
Content Compilation

11. Wap GateWay