Site selection for real-time client request handling

Vinay Kanitkar, Alex Delis

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

Abstract

In a conventional client-server database system (CS-DBS), a transaction and its requisite data have to be colocated at a single site for the operation to proceed. This has traditionally been achieved by moving either the data or the transaction. Today, the availability of powerful workstations and high-bandwidth networking options has led users to expect real-time guarantees about the completion times of their tasks. So as to offer such guarantees in a CS-DBS, a transaction should be processed by any means that allows it to meet its deadline. In this paper, we explore the option of moving both transactions and data to the most promising sites for successful completion. We propose a load-sharing mechanism that oversees the shipment of data and transactions in order to increase the efficiency of a client-server cluster. Additionally, we make use of the concept of grouped locks to schedule the movement of data objects in the cluster in a more efficient manner. An experimental evaluation shows that the use of our load-sharing algorithm provides a considerable improvement in the real-time processing efficiency of a CS-DBS even in the presence of very high volumes of update transactions.

Original languageEnglish (US)
Title of host publicationProceedings - International Conference on Distributed Computing Systems
PublisherIEEE
Pages298-305
Number of pages8
ISBN (Print)0769502229
StatePublished - 1999
EventProceedings of the 1999 19th IEEE International Conference on Distributed Computing Systems (ICDCS'99) - Austin, TX, USA
Duration: May 31 1999Jun 4 1999

Publication series

NameProceedings - International Conference on Distributed Computing Systems

Conference

ConferenceProceedings of the 1999 19th IEEE International Conference on Distributed Computing Systems (ICDCS'99)
CityAustin, TX, USA
Period5/31/996/4/99

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Computer Networks and Communications

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