

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