Performance analysis of fault-tolerant offloading systems for pervasive services in mobile wireless environments

被引：11
|
作者：
Ou, Shumao [1 ]
Wu, Yumin [1 ]
Yang, Kun [1 ]
Zhou, Bosheng [2 ]
机构：
[1] Univ Essex, Dept Comp & Elect Syst, Colchester CO4 3SQ, Essex, England
[2] Queens Univ Belfast, Belfast BT7 1NN, Antrim, North Ireland
来源：
2008 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, PROCEEDINGS, VOLS 1-13 | 2008年
基金：
英国工程与自然科学研究理事会;
关键词：
modeling; offloading; performance analysis; fault-tolerant;
D O I：
10.1109/ICC.2008.356
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Offloading (also known cyber-foraging) is an approach to leverage the severity of resource constrained nature of mobile devices (such as PDAs) by migrating part of the computation of applications to some nearby resource-rich surrogates (e.g., desktop PCs). It is an essential mechanism for the execution of pervasive applications. However, the mobile nature of mobile devices and the unstable connectivity of wireless links all render a less predictability of the performance of a pervasive application running under the control of offloading systems. This paper proposes an analytical model to express the performance of fault-tolerant offloading systems in mobile wireless environments. We model the failure recovery time and total execution time of pervasive applications that run under the control of the fault-tolerant offloading systems. The model is analyzed numerically and primarily evaluated based on a real application.
引用
收藏
页码：1856 / +
页数：2
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