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What is WAP? Wireless
Application Protocol or WAP for short is simply a
protocol - a standerized way for delivering Internet
data over wireless networks. Thus WAP links Wireless
Network with Computer Network (World Wide Web) and
enables the the mobile users to access the internet
data. In future it will serve multimedia rich content to
the cellular devices.
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Recently Google
has entered into mobile world and now Google is the
first search engine to bring the entire World Wide Web
to mobile devices with a beta version of its
award-winning search engine optimized for WAP phones.
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The WAP
Architecture
Any WAP enable system consists of :
- A) WAP Gateway
- B) the HTTP Web Server and
- C) the WAP Device
WAP Gateway
WAP gateway acts as mediator between Cellular device and
HTTP or HTTPS web server. WAP gateway routes requests
from the client(Cellular Phones) to an HTTP (or Web)
server. The WAP gateway can be located either in a
telecom network or in a computer network (an ISP).
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The HTTP Web Server
Receive the request from WAP Gateway and process the
request and finally sends the output to the WAP Gateway,
which in turn the sends this information to the WAP
device using it's wireless network.
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The WAP Device
Wap device (Cellular phones) is part of wireless
network. WAP Device sends the WAP request to the WAP
Gateway, which in turn translates WAP requests to
WWW requests, so the WAP client is able to submit
requests to the Web server. After receiving the response
from the the HTTP Web Server, WAP Gateway translates Web
responses into WAP responses or a format understood by
the WAP client and sends it to the WAP Device.
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| WAP enabled pages are simple
text files with wml extensions and are written
WML and WMLScripts. |
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