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In recently proposed information centric networks (ICN), a user issues “interest” packets to retrieve contents from network by names. Once fetched from origin servers, “data” packets are replicated and cached in all routers along routing and forwarding paths, thus allowing further interests from other users to be fulfilled quickly. However, the way ICN caching and interest fulfillment work poses a...
Wireless data transfer between mobile users has become more popular nowadays. In Mobile Ad-hoc Network, mobile nodes communicate with each other through the wireless medium, within the transmission range. If we use the data access applications in the wired network, the physical cabling in the wired network is restricting the connection topology and the bandwidth. But there is no such a restriction...
Due to accretion demand and size of the contents makes today's Internet architecture inefficient. This host centric model does not seem effective to cater current communication needs where users focus on desired content. As a result, translation between content information and networking domain should take place, typically consisting of an establishment of a delivery path between the content provider...
We investigated the use of caching of packets containing video at intermediary routers to reduce the delay and energy consumption of Automatic Repeat reQuest (ARQ) error recovery. We modeled the two mathematical programs that select the optimal set of routers to have caching ability, one to minimize energy consumption and the other to minimize retransmission delay. Both of these mathematical programs...
The enormous popularity of World Wide Web and its application of searching have caused a tremendous increase in network traffic and congestion in network. This project solves this problem by using the techniques of web caching and web prefetching implemented in our proxy system. Web caching has introduced as an effective solution to the problems of traffic congestion and effective bandwidth utilization...
In Delay and Disruption Tolerant Networking (DTN), Epidemic, PRoPHET and Spray and Wait protocols work by distributing one or more message copies (Bundles). They can naturally adapt to the mobile situation where the destination node moves from an old connection endpoint to a new connection endpoint because any Bundle copy may luckily be able to reach the new connection endpoint where the mobile node...
Mobility of nodes and unreliability of wireless channel complicate the task of routing data in mobile ad hoc networks. Using multiple paths for routing instead of just one is an interesting approach to this problem, with the advantage of greater path availability at the cost of higher routing overhead. Existing multipath routing protocols generally involve the destination node in decisions about the...
Zone Routing Protocol (ZRP) is a hybrid routing protocol used in ad-hoc networks. The authors have proposed a new routing protocol called, genetic zone routing protocol (GZRP) which is an extension of ZRP applied with genetic algorithms (GA) for finding the alternative routes in order to load balance the network and as well to resist to the link and/or node failures. The caching of the previously...
The following topics are dealt with: distributed computing systems; wireless and sensor security; P2P computing; sensor networks; privacy; ad hoc networks; network management; data distribution; connectivity and localization in WSNs; routing protocol; replication; data and information management; reliable storage; query processing and multi-site collaboration; Web design; caching and prefetching;...
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