Reducing the Rollback on Mobile Computing Environments

Kwang Sik Chung, Chong Sun Hwang, Heon Chang Yu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents an asynchronous checkpointing protocol for mobile computing environments-combined with a selective sender message logging for avoiding the rollbacks. The message sending/receiving state of mobile host detemines when independently to take the local checkpoints at mobile host. And only the potential orphan message is selectively logged when a mobile host takes a checkpoint. The logs of potential orphan message prevents the mobile hosts from rolling back and is maintained on the MSS. For the recovery dependency relationship of mobile hosts is saved as Message Dependency Tree and is maintained at the MSS. The logs of potential orphan messages and MDTs are used for the consistent global state. Our protocol distributes the load of checkpointings and message loggings over MSSs and mobile hosts so that the communications between MSSs and mobile hosts are reduced and recovery is possible as though at disconnections.

Original languageEnglish
Title of host publication13th International Conference on Computers and Their Applications 1998, CATA 1998
EditorsNarayan C. Debnath
PublisherThe International Society for Computers and Their Applications (ISCA)
Pages106-110
Number of pages5
ISBN (Electronic)9781618395443
Publication statusPublished - 1998
Externally publishedYes
Event13th International Conference on Computers and Their Applications, CATA 1998 - Honolulu, United States
Duration: 1998 Mar 251998 Mar 27

Publication series

Name13th International Conference on Computers and Their Applications 1998, CATA 1998

Conference

Conference13th International Conference on Computers and Their Applications, CATA 1998
Country/TerritoryUnited States
CityHonolulu
Period98/3/2598/3/27

Bibliographical note

Publisher Copyright:
© 13th International Conference on Computers and Their Applications 1998, CATA 1998. All rights reserved.

ASJC Scopus subject areas

  • General Computer Science

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