Cache Replication-An Efficient Cache Consistency Scheme for the Server Based Networks
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 3, Issue 1
Abstract
In most server-based schemes, server is not usually aware of what data items are currently cached, as they might have been replaced or deleted from the network due to node disconnections. In this method a cache consistency scheme for caching the database data in MANET is implemented which enable the server to be aware of the cache distribution and make the data items consistent with their version at the server. In this method the queries that are submitted by requesting nodes are stored in special nodes, called query directories (QDs) ,and uses these queries to locate the data that are stored in the nodes hat requested them called caching nodes(CNs).The overall design provides a complete caching system in which the server sends to the clients selective updates that adapt to their needs this reduces wireless traffic in MANET. In this method only one caching node is allowed to cache for a particular data and if the request rate for the particular data is high then there is more number of hits in a particular QD&CN for that data .In order to avoid this the concept of cache replication is implemented. The replicated cache cannot come under the same QD in order to avoid the network congestion in that QD.
Authors and Affiliations
Bibiana Jenifer . J*
Keywords
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