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1. GLOBALSOFT TECHNOLOGIES
Cooperative Caching in Wireless P2P Networks Design,
Implementation, and Evaluation
Some recent studies have shown that cooperative cache can improve the system performance in
wireless P2P networks such as ad hoc networks and mesh networks. However, all these studies
are at a very high level, leaving many design and implementation issues unanswered. In this
paper, we present our design and implementation of cooperative cache in wireless P2P networks,
and propose solutions to find the best place to cache the data. We propose a novel asymmetric
cooperative cache approach, where the data requests are transmitted to the cache layer on every
node, but the data replies are only transmitted to the cache layer at the intermediate nodes that
need to cache the data. This solution not only reduces the overhead of copying data between the
user space and the kernel space, it also allows data pipelines to reduce the end-to-end delay. We
also study the effects of different MAC layers, such as 802.11-based ad hoc networks and multi-interface-
multichannel-based mesh networks, on the performance of cooperative cache. Our
results show that the asymmetric approach outperforms the symmetric approach in traditional
802.11-based ad hoc networks by removing most of the processing overhead. In mesh networks,
the asymmetric approach can significantly reduce the data access delay compared to the
symmetric approach due to data pipelines.
Existing System
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2. Some recent studies have shown that cooperative cache can improve the system performance in
wireless P2P networks such as ad hoc networks and mesh networks. However, all these studies
are at a very high level, leaving many design and implementation issues unanswered. In this
paper, we present our design and implementation of cooperative cache in wireless P2P networks,
and propose solutions to find the best place to cache the data.
Proposed System
We propose a novel asymmetric cooperative cache approach, where the data requests are
transmitted to the cache layer on every node, but the data replies are only transmitted to the
cache layer at the intermediate nodes that need to cache the data. This solution not only reduces
the overhead of copying data between the user space and the kernel space, it also allows data
pipelines to reduce the end-to-end delay. We also study the effects of different MAC layers, such
as 802.11-based ad hoc networks and multi- interface-multichannel-based mesh networks, on the
performance of cooperative cache. Our results show that the asymmetric approach outperforms
the symmetric approach in traditional 802.11-based ad hoc networks by removing most of the
processing overhead. In mesh networks, the asymmetric approach can significantly reduce the
data access delay compared to the symmetric approach due to data pipelines.
System Specification
Hardware Requirements:
• System : Pentium IV 2.4 GHz.
• Hard Disk : 40 GB.
• Floppy Drive : 1.44 Mb.
• Monitor : 14’ Colour Monitor.
• Mouse : Optical Mouse.
• Ram : 512 Mb.

3. Software Requirements:
• Operating system : Windows 7.
• Coding Language : ASP.Net with C#
• Data Base : SQL Server 2008.