A Geek's brief history of the wireless Internet (center) : GPRS, EDGE, Shanzhai, and JAVA

by diglog on 2010-09-30 12:51:26

This is a fan observation column co-sponsored by ifanr and 21cbh Loud. It is published weekly on this site and 21CBH Loud channel. Do not reprint without permission, if necessary, please contact [email protected]. Check out the previous installment in this series.

WAP with wireless Internet

WAP is the abbreviation of Wireless Application Protocol, which literally means "wireless Application Protocol". It is a regulation specified by the WAP Forum, the first version of which took shape in 1998 and has now merged with the Open Mobile Alliance. The main reason for using WAP instead of the standard HTML 4 + ECMAScript (JavaScript) is that mobile devices have slower cpus, smaller memory, lower power consumption, smaller displays, and different input devices than desktop computers. This prevents the latter from running well on the platform. Similarly, low bandwidth, high latency, unstable data links, and unpredictable coverage made wireless Internet a very limited technology at the time. Because of these limitations, the WAP protocol was born. In the previous post, some people mentioned the debate between WAP, GPRS and EDGE. In fact, GPRS, EDGE are access methods, and WAP is a protocol, which depends on CSD, GPRS, EDGE and other access methods, and even, on the computer, the use of LAN access can also use WAP applications, the need is only to support the user agent.

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