Scheduling data reads and writes using feedback control on a weakly connected environment

Authors:
R. Varadarajan;Manikandan Chitra
Affiliations:
Department of Electronics and Communication, SASTRA University, Thanjavur, Tamil Nadu, India.;Department of Computer Applications, Thiagarajar School of Management, Madurai, Tamil Nadu, India
Venue:
International Journal of Computer Applications in Technology
Year:
2009

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Abstract

A database is maintained at the server and broadcast to mobile clients. While data are broadcast, many resources are updating data at the server. Such concurrent transactions must be controlled to maintain consistency and currency of data received by the mobile clients. Through client side caching, feedback control mechanism and careful network management, it is possible to provide acceptable performance in mobile environment for read requests and write updates, even with low bandwidth connection. This paper describes sharing of weak network connections between read and write data traffic, controlling concurrency between update and broadcast transactions to maintain consistency and currency.