wireless-handout1.ppt (Size: 84 KB / Downloads: 89)
What is WAP?
A set of protocols which allow data exchange for mobile cellular systems
The current world standard for the presentation and delivery of wireless information
It is device independent
It is network independent
Why Use WAP ?
Wireless networks and phones
have specific needs and requirements not addressed by existing Internet technologies.
WAP enables any data transport
TCP/IP, UDP/IP, GUTS (IS-135/6), SMS, or USSD.
The WAP architecture
has several modular entities which together form a fully compliant Internet entity
all WML content is accessed via HTTP 1.1 requests.
WAP utilizes standard Internet markup language technology (XML)
Optimizing the content and airlink protocols
The WML UI components map well onto existing mobile phone user interfaces
no re-education of the end-users
leveraging market penetration of mobile devices
WAP utilizes plain Web HTTP 1.1 servers
leveraging existing development methodologies
CGI, ASP, NSAPI, JAVA, Servlets, etc.
WSP (Wireless Session Protocol)
Provides the application layer of WAP with a consistent interface for two session services.
A connection-oriented service that operates above the transaction layer protocol WTP.
A connectionless service that operates above a secure or non-secure datagram service (WDP).