Temporary-Snapshot Based Composite Synchronous Checkpointing Protocol for Mobile Distributed Systems

International Journal of Research and Engineering

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Field Value
 
Title Temporary-Snapshot Based Composite Synchronous Checkpointing Protocol for Mobile Distributed Systems
 
Creator Banerjee, Dyuti
Kumar, Praveen
 
Description Minimum-process synchronous snapshot compilation is a suitable approach to introduce fault tolerance in mobile distributed systems transparently. In order to balance the snapshot compilation overhead and the loss of computation on recovery, we propose a composite snapshot compilation algorithm, wherein an all-process synchronous snapshot is capturen after the execution of minimum-process synchronous snapshot compilation algorithm for a fixed number of times. In synchronous snapshot compilation, if a single procedure fails to capture its snapshot; all the snapshot compilation effort goes waste, because, each process has to repudiate its tentative snapshot. In order to capture the tentative snapshot, an Mobile Host(M_HOST) needs to transfer large snapshot data to its local Mobile Support Station(MOB_SUPP_ST) over wireless channels. Hence, the loss of snapshot compilation effort may be exceedingly high. Therefore, we propose that in the first phase, all concerned M_HOSTs will capture Temporary snapshot only. Temporary snapshot is similar to mutable snapshot, which is stored on the memory of M_HOST only. In this case, if some procedure fails to capture snapshot in the first phase, then M_HOSTs need to repudiate their Temporary snapshots only. The effort of capturing a Temporary snapshot is negligibly small as compared to the tentative one.In the minimum-process synchronous snapshot compilation algorithm, an effort has been made to minimize the number of useless snapshots and blocking of procedures using probabilistic approach.
 
Publisher IJRE Publisher
 
Date 2017-05-16
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://digital.ijre.org/index.php/int_j_res_eng/article/view/278
 
Source International Journal of Research and Engineering; Vol 4 No 5 (2017): May 2017 Edition; 137-140
2348-7860
2348-7852
 
Language eng
 
Relation https://digital.ijre.org/index.php/int_j_res_eng/article/view/278/257
 
Rights Copyright (c) 2017 Dyuti Banerjee, Praveen Kumar
http://creativecommons.org/licenses/by/4.0
 

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