NDLI: Queue Sensing Distributed Real-time Commit Protocol: A New Dimension for Distributed Database System

Content Provider	IEEE Xplore Digital Library
Author	Sylvia Vibha Patel, R.B.
Copyright Year	2009
Abstract	The objective of this article is to improve the performance of a transaction in a real time distributed system comprising of heterogeneous networks. For this purpose we have developed a Queue Sensing Distributed Real-time Commit Protocol (QSDRCP) which ensures the maximum number of transactions is processed before the deadline expires and the ACID property of the transactions executed is preserved. In the design of QSDRCP, various dependencies are considered that exist between the transactions and then determine that if the new incoming transaction can be granted lock. Measures have been taken to enhance the processing speed of the transactions without violating any database constraints that must be enforced. Queue sensing means as soon as a transaction is reaching at a site it is immediately scheduled for the processing and not putting in the wait queue. Further in the presented protocol we are considering percentage of a transaction (low priority) processed before aborting/rescheduling the execution on the arrival of new high priority transaction. A comparative study is also made with some existing protocols. It is found that QSDRCP gives better results.
Starting Page	829
Ending Page	834
File Size	450229
Page Count	6
File Format	PDF
ISBN	9781424451043
DOI	10.1109/ARTCom.2009.102
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-27
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Protocols Distributed database Data engineering Transaction databases IEEE members Coordinator Distributed computing Real time system Distributed sites Deadlines Transaction Cohort Database systems Computer networks Communications technology Dependencies Velocity measurement
Content Type	Text
Resource Type	Article

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