tailieunhanh - Webmaster's Guide to the Wireless Internet part 10

Webmaster's Guide to the Wireless Internet part 10. The Webmaster’s Guide to the Wireless Internet provides the Wireless Webmaster with all of the tools necessary to build the next generation Internet. Packed with the essential information they need to design, develop, and secure robust, e-commerce enabled wireless Web sites. This book is written for advanced Webmasters who are experienced with conventional Web site design and are now faced with the challenge of creating sites that fit on the display of a Web enabled phone or PDA | 62 Chapter 2 Wireless Architecture Wireless Markup Language Wireless Markup Language WML is the markup language for WAP implementations. The WAP standard also dictates a scripting language WMLScript to complement should use WMLScript if you are trying to reach the general public because it is the most wide-reaching language available on the market today. It is optimized for low-bandwidth connections and small screens. Compact HTML Compact HTML cHTML is the markup language for the Japanese-based i-mode service. It is a stripped down version of HTML and is served from standard Web servers just like HTML WML and inventor of i-mode NTT DoCoMo is making the technology available worldwide and trying to make it compete with WAP as the standard of choice for mobile users. Web Clipping Palm Inc. s Palm VII PDA was the first device to use Web Clipping technology. It uses a simplified version of HTML and can be served from any standard Web Clipping is part of a Palm Query Application PQA which is discussed in the next section in more detail Palm Inc. is now referring to PQAs as Web Clipping Applications WCAs .You can find more information on Palm s Web Clipping in Chapter 6. Handheld Device Markup Language Handheld Device Markup Language HDML is a predecessor to WML that was created by Openwave. HDML was intended to be an open standard but Openwave joined the WAP Forum and helped them push WAP as a standard for mobile communication. Therefore only Openwave browsers can read HDML will find the largest concentration of Openwave browsers installed on mobile phones in the . Using Wireless Networks and Their Evolving Generations The network protocols are classified as to their approximate location on the evolutionary path. The first generation was Analog Mobile Phone System AMPS and is mostly regarded as obsolete although many rural areas in the United States continue to only have analog second generation 2G of service .