J. Bartlett, "W4 - the Wireless World Wide Web," IEEE Workshop on Mobile Computing Systems and Applications, 1994, pp. 176-178.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....a client may request the next file before the current file has completed. Thus, there would be no gaps between consecutive files. They report that their changes reduce latency by more than half when transferring 2544 byte inline images. Bartlett describes a PDA based wireless browser in [6]. It uses a proxy to fetch, parse, and separate Hypertext Markup Language (HTML) documents into multiple screens. The proxy sends the preformatted screens to the client using a new protocol. The client automatically prefetches the next screen while the user is viewing the current one. The client ....

....network. We also maintain use of standard TCP IP. Watson s proposal [8, 9] includes prefetching and content reduction by outlining. It does not use resolution reduction and it is not clear whether inline images for prefetched documents are sent to the client. The approaches proposed by Bartlett [6], and by Gessler and Kotulla [7] are geared towards PDAs. They do not prefetch whole documents and they format documents for small screens. 1.2 Approach We developed a new Wireless World Wide Web (WWWW) proxy server and protocol (Figure 1) A client based on NCSA Mosaic [11] connects to the ....

J. F. Bartlett, "W4 - the Wireless World Wide Web," Workshop on Mobile Computing Systems and Applications, Dec. 1994, pp. 176-178, http:// snapple.cs.washington.edu/library/mcsa94/bartlett.ps.

....to remain simple. Evolving networks and applications also include a variety of so called mobile or nomadic computing applications [7] such as remote access to file systems [8] or the Internet for use such as email. A particularly attractive application is wireless World Wide Web access [9] [10]. The devices used for these types of 4 applications will be more functional and powerful than those used in the previously discussed telephony and messaging applications. These devices are likely to have keyboards or pen based touch screens for input, 310 inch screens for display, and will not ....

....in the InfoNet project in which connections carrying user data extend directly between end devices without passing though the user agent. In this case, these InfoNet user agents will not process application data. The W4 project uses network based proxies to assist in a Web browsing application [10]. In W4, each mobile device has a proxy through which it accesses the Web. The proxy performs caching and data manipulation functions. When a user requests a Web page, the proxy receives the page, reformats it for display on the PDA used as the end device, and filters all images to save bandwidth. ....

J.F. Bartlett, "W4 - the Wireless World Wide Web," Proc. of IEEE Workshop on Mobile Computing Systems and Applications, December, 1994.

....data. No additional support for disconnected operation, such as Rover s queued RPC, is included in BNU. A follow up project, Wit, addresses some of these shortcomings and shares many of the goals of Rover, but employs different solutions [22] The InfoPad, Daedalus, GloMop [23] 24] 25] and W4 [26] projects focus on mobile wireless information access. The Infopad project employs a dumb terminal and offloads all functionality from the client to the server. Daedalus and GloMop use dynamic transcoding or distillation to reduce the bandwidth consumed by data transmitted to a mobile host. ....

J. Bartlett, "W4---the Wireless World-Wide Web," in Workshop on Mobile Computing Systems and Applications, Santa Cruz, CA, 1994, pp. 176--178.

....are marked and must be resolved by the user. Existing distributed applications commonly run on mobile end systems also tend to make relatively modest demands on their underlying support system. Examples of these applications include email, job dispatch systems and, more recently, web browsers [Bartlett94]. Such applications tend to send relatively small amounts of non time critical information (with perhaps the exception of web browsers) They also tend to have relatively simple patterns of interaction, i.e. they are, without exception, simple client server distributed applications. They do not, ....

Bartlett, J. "W4-the Wireless World Wide Web." Proc. Workshop on Mobile Computing Systems and Applications, Santa Cruz, CA, U.S., December 1994.

.... presented include a link layer protocol called AIRMAIL [9] a transport layer protocol called SNOOP [10] cellular telecommunication standards [3] mobile IP [6] the Wireless Distributed Call Processing Architecture (WDCPA) 11] ParcTab [12] InfoNet [13] the Wireless World Wide Web (W4) [14], and the CODA file system [15] In Section 5, we conclude. 2 Nomadic Computing Environment In this section, we discuss the various environments in which a nomadic user may operate, shown in Figure 1, such as an office, office complex, conference room, home, hotel room, or automobile. Such users ....

....these techniques and quantify some of the gains achieved through their use. 3. 1 Network based Proxies Many systems which support wireless mobile users make use of intelligent agents that reside inside the 8 wired network and perform various functions on behalf of the mobile users [11] 12] 13][14]. Evolving intelligent cellular telecommunication networks [3] use intelligent switches and databases which store user profiles to perform functions on behalf of mobile users. The intelligent agents, sometimes called proxies, can be used to process control information, or to manipulate user ....

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J. F. Bartlett, "W4 - the Wireless World Wide Web," Proc. of IEEE Workshop on Mobile Computing Systems and Applications, Dec. 1994.

....Communication Addressing mobile awareness at the level of network communication accounts for changes in network characteristics across sub network boundaries. Mobility is made transparent to applications, but the implementation of network communication is made mobile aware. The Bayou [18] W4 [19], and WebExpress [17] projects have focused on minimizing communication bandwidth usage for database access and Web browsing. And the GloMop [20] approach uses proxy hosts to distill incoming information before forwarding it to the mobile host. However, these approaches do not integrate ....

J. Bartlett, "W4-the Wireless World-Wide Web," Proceedings of the Workshop on Mobile Computing Systems and Applications, 1994.

....session guarantees, and the calendar tool example with the Bayou project. Rover extends this work with an application programming interface, RDOs, and QRPC to deal with intermittent communication, limited bandwidth, and resource poor clients. The InfoPad [25] Daedalus [26] GloMop [27] and W4 [28] projects focus on mobile aware wireless information access. The InfoPad project employs a dumb terminal and offloads all functionality from the client to the server. Daedalus and GloMop use dynamic transcoding or distillation to reduce the bandwidth consumed by data transmitted to a mobile ....

J. Bartlett, "W4---the Wireless World-Wide Web," in Proc. of the Workshop on Mobile Computing Systems and Applications, Santa Cruz, CA, Dec. 1994, pp. 176--178.

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J. Bartlett, "W4 - the Wireless World Wide Web," IEEE Workshop on Mobile Computing Systems and Applications, 1994, pp. 176-178.

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) J. F. Bartlett, "W4 - the Wireless World Wide Web,"Workshop on Mobile Computing Systems and Applications,December 1994, pp. 176-178, http://snapple.cs.washington.edu/library/mcsa94/bartlett.ps.

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Joel F. Bartlett. "W4 --- the Wireless World Wide Web." In Proceedings of the Workshop on Mobile Computing Systems and Applications, December, 1994.

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