THE PERFORMANCE OF SOFT CHEKPOINTING APPROACH IN MOBILE COMPUTING SYSTEMS

Ruchi Tuli

THE PERFORMANCE OF SOFT CHEKPOINTING APPROACH IN MOBILE COMPUTING SYSTEMS

Ruchi Tuli *

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THE PERFORMANCE OF SOFT CHEKPOINTING APPROACH IN MOBILE COMPUTING SYSTEMS

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Abstract

Mobile computing raises many new issues such as lack of stable storage, low bandwidth of wireless channel, high mobility, and limited battery life. These new issues make traditional checkpointing algorithms unsuitable. Coordinated checkpointing is an attractive approach for transparently adding fault tolerance to distributed applications since it avoids domino effects and minimizes the stable storage requirement. However, it suffers from high overhead associated with the checkpointing process in mobile computing systems. In literature mostly, two approaches have been used to reduce the overhead: First is to minimize the number of synchronization messages and the number of checkpoints; the other is to make the checkpointing process nonblocking. Since MHs are prone to failure, so they have to transfer a large amount of checkpoint data and control information to its local MSS which increases bandwidth overhead. In this paper, we introduce the concept of “Soft checkpoint” which is neither a tentative checkpoint nor a permanent checkpoint, to design efficient checkpointing algorithms for mobile computing systems. Soft checkpoints can be saved anywhere, e.g., the main memory or local disk of MHs. Before disconnecting from the MSS, these soft checkpoints are converted to hard checkpoints and are sent to MSSs stable storage. In this way, taking a soft checkpoint avoids the overhead of transferring large amounts of data to the stable storage at MSSs over the wireless network. We have also shown that our soft checkpointing scheme also adapts its behaviour to the characteristics of network.

References

13 Cites in Article

Reference Format

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Ruchi Tuli. 1970. "THE PERFORMANCE OF SOFT CHEKPOINTING APPROACH IN MOBILE COMPUTING SYSTEMS". Global Journal of Computer Science and Technology GJCST Volume 11 (GJCST Volume 11 Issue 9).

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GJCST Volume 11 Issue 9

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

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Classification

GJCST Classification C.1.3

C.2.1

Submission ReceivedMarch 22, 2011
Peer Review Double Blind
Handling Editor
Accepted April 21, 2011
Published May 2, 2011

Version of record

v1.2

Issue date

May 25, 2011

Language

English

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Article Matrices

Total Score: 141

Country: India

Subject: Global Journal of Computer Science and Technology

Authors: Ruchi Tuli (PhD/Dr. count: 0)

View Count (all-time): 223

Total Views (Real + Logic): 5975

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Publish Date: 2011 05, Mon

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Total Views: 6K

Total Downloads: 335

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