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Web Acceleration by Prefetching in Extremely Large Latency Network

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Author(s): Fumiaki Nagase | Takefumi Hiraguri | Kentaro Nishimori | Hideo Makino

Journal: American Journal of Operations Research
ISSN 2160-8830

Volume: 02;
Issue: 03;
Start page: 339;
Date: 2012;
Original page

Keywords: Extremely-Large-Latency Network | Satellite Communication | HTTP | Web Prefetching | Prefetching Proxy Server | Information Storage Server

ABSTRACT
A scheme for high-speed data transfer via the Internet for Web service in an extremely large delay environment is proposed. With the wide-spread use of Internet services in recent years, WLAN Internet service in high-speed trains has commenced. The system for this is composed of a satellite communication system between the train and the ground station, which is characterized by extremely large latency of several hundred milliseconds due to long propagation latency. High-speed web access is not available to users in a train in such an extremely large latency network system. Thus, a prefetch scheme for performance acceleration of Web services in this environment is proposed. A test-bed system that implements the proposed scheme is implemented and is its performance in this test-bed is evaluated. The proposed scheme is verified to enable high-speed Web access in the extremely large delay environment compared to conventional schemes.
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