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Content Cognizant data dissemination

Shweta Agrawal


We consider techniques for disseminating dynamic data - such as stock prices, real time weather information - efficiently from sources to the clients. If the network lying in middle were intelligent enough to recognize when the data is changing so that it transfers the data from source to client only at that time, it would result in significant improve in performance in terms of bandwidth required and freshness of data. We use a adaptive proxy middleware to simulate this. The proxy lying in between source and client use intelligent algorithm to estimate how frequently the changes should be transferred. Also which changes should be transferred to which clients according to their coherency requirements. Cooperation between such proxies help reduce system wide communication and computation overheads for coherency maintenance.

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