Energy-aware checkpoint intervals in error-prone mobile networks

Authors:
Sung-Hwa Lim;Se Won Lee;Byoung-Hoon Lee;Seongil Lee;Ho Woo Lee
Affiliations:
Sungkyunkwan University, Suwon, South Korea;Sungkyunkwan University, Suwon, South Korea;Inha University Incheon, South Korea;Sungkyunkwan University, Suwon, South Korea;Sungkyunkwan University Suwon, South Korea
Venue:
Proceedings of the 6th International Conference on Queueing Theory and Network Applications
Year:
2011

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Abstract

Checkpoint and rollback scheme can be a good choice on a mobile device for the fault tolerant computing. Since the battery power is one of the most critical resources of a mobile device, it is very important to know the optimal checkpoint interval that minimizes the energy expenditure. In this paper, we propose a method for determining the optimal checkpoint interval that minimizes the energy expenditure in wireless remote checkpoint environments by considering failures both on the system and the wireless link of a mobile device. To evaluate the proposed solution, we conducted performance analysis and simulations.