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Analysis of Speculative Prefetching

Angermann, M. (2002) Analysis of Speculative Prefetching. ACM Mobile Computing and Communications Review, 6 (2), pp. 13-17.

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Prefetching is a potential method to reduce waiting time for retrieving data over wireless network connections that commonly occur in mobile scenarios. These connections typically exhibit low bandwidth as well as high latency. This article analyzes fundamental principles in speculative prefetching. Based on a simplified system model, the influence of parameters and strategies on prefetching performance is investigated, both analytically and in simulation. The reduction of the mean waiting time is used as performance metric. An example is given that makes use of the Zipf distribution to demonstrate the influence of the documents' probability distribution and its parameters. A low-complexity algorithm that performs optimally under the given assumptions is presented.

Document Type:Article
Additional Information: LIDO-Berichtsjahr=2003,
Title:Analysis of Speculative Prefetching
AuthorsInstitution or Email of Authors
Journal or Publication Title:ACM Mobile Computing and Communications Review
Refereed publication:Yes
In ISI Web of Science:Yes
Page Range:pp. 13-17
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W KN - Kommunikation/Navigation
DLR - Research area:Space
DLR - Program:W KN - Kommunikation/Navigation
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Communication and Navigation
Deposited By: elib DLR-Beauftragter
Deposited On:16 Sep 2005
Last Modified:06 Jan 2010 21:12

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