Improving Data Availability in Mobile Environment Using Data Allocation

Provided by: Science Productions
Topic: Mobility
Format: PDF
Data distribution is one of the crucial issues in Data Base Management Systems (DBMS) in general and in mobile environment in particular. It is important because, if not properly managed, it will cause reduction in data availability, which in turn causes more rejections in transactions. Replication algorithms (e.g., CCM) are used to improve data availability. However, the database replication algorithms in general will increase the storing and communication costs for updates especially when the DB is very large and MU number is also large; this will lead to a congested network.

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