September 2000
Intermediate to advanced
608 pages
12h 59m
English
book
WAP Development with WML and WMLScript
by Ben Forta, Keith D. Lauver, Paul Fonte, Robert M. Juncker, Amy O'Leary, Ronan Mandel, Dylan Bromby
Content preview from WAP Development with WML and WMLScript
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Understanding Basic Notifications
Before we begin our explanation of basic notifications, we must first define what a notification is. A notification is data delivered to a client, whose delivery is initiated by a server.
Note
There are many common terms used to describe notifications, such as asynchronous message delivery, content push, push messaging, or mobile and active channels. Whatever terminology you are familiar with, the concepts in this chapter will be the same.
To better understand what notifications are, let's first examine its opposite model—a synchronous model, which is most commonly used in Internet data delivery. On the Web, a client requests information from a server, and the server responds with the appropriate file. ...
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