Flexible Data Dissemination Strategy for Effective Cache Consistency in Mobile Wireless Communication Networks
Kahkashan Tabassum, Asia Sultana, A. Damodaram

TL;DR
This paper introduces a multicast-based cache invalidation strategy using AVI to improve cache consistency and reduce network traffic in mobile wireless networks, outperforming existing broadcast methods.
Contribution
It proposes a novel multicast approach with AVI for cache invalidation, enhancing efficiency and consistency in mobile environments.
Findings
Reduces network traffic compared to broadcast strategies.
Maintains cache consistency effectively.
Simplifies traffic management in mobile caching.
Abstract
In mobile wireless communication network, caching data items at the mobile clients is important to reduce the data access delay. However, efficient cache invalidation strategies are used to ensure the consistency between the data in the cache of mobile clients and at the database server. Servers use invalidation reports (IRs) to inform the mobile clients about data item updates. This paper proposes and implements a multicast based strategy to maintain cache consistency in mobile environment using AVI as the cache invalidation scheme. The proposed algorithm is outlined as follows - To resolve a query, the mobile client searches its cache to check if its data is valid. If yes, then query is answered, otherwise the client queries the DTA (Dynamic Transmitting Agent) for latest updates and the query is answered. If DTA doesn't have the latest updates, it gets it from the server. So, the…
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Taxonomy
TopicsDistributed systems and fault tolerance · Caching and Content Delivery · Opportunistic and Delay-Tolerant Networks
