WAP Protocol stack overview
Internet
Wireless Application Protocol
WML(Wireless Markup Language)
WTA, WMLScript
Application Layer (WAE)
JavaScript
HTTP based request/reply protocol
Push functionality
Session Layer (WSP)
HTTP
Transaction based protocol
Segmentation and Reassembly
Transaction Layer (WTP)
Security, Authentication
TLS based
TLS - SSL
Security Layer (WTLS)
Bearer adaptation
UDP based
Transport Layer (WDP)
UDP/IP
Bearers: SMS, GSM, CDMA, GPRS, PDC, IMT-2000,Etc.
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