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Vehicular Ad-Hoc Network (VANET) became known in wireless networks to influence the importance in growth of the transportation system. In VANET several QoS related routing protocols are available. At the moment, VANET be-comes a world's biggest ad-hoc network. The parameters of Quality of Service (QoS) generally depends on layers such as MAC layer and physical layer in Vehicular Ad-Hoc Network. Managing...
VANET — Vehicular Ad-Hoc Networks performance is very significant in improving the transport effectiveness and increasing the safety. VANET comprises the capability in enlightening roadway safety, and in giving the passengers eases. VANET is the still other emergent transmission network which provides safety broadcasting. The function of VANETs was frequently recommended for usage in vehicular safety...
Web service plays a vital role in today's commercial internet world. Web service composition at its best is required for a good communication and to satisfy the user requirements. Web service composition considers the functional requirements and QoS constraints while composition process takes place. So the selection of web service during composing takes a major role. There are various algorithms available...
The web server farm usually consists of many servers. These servers are in the different states at the different period of time. The process of load balancing plays a vital role in the web server farm. The objective of this paper to balance the load equally among the servers present in the web server farm. To relocate the load among the servers, each server's state should be known. The hidden markov...
For recent years, the use of personal identity systems using multimodal biometrics has been increasing tremendously in number of fields. Although the Unimodal biometric systems serve well in various areas, it is notable that they have disadvantages regarding security and accuracy. Multimodal biometric systems focus on combining more than one possible biometric technology in order to secure the applications...
Mobile ad hoc network (MANET) is the multi-hop network, infrastructure less network with autonomously self-organizing in the distributed network. In case of node failure or link failure, MANET has the capacity to self-heal by changing the topology dynamically. There are many issues due to its dynamic nature, with the change in topology which leads to more routing. In multi-hop networking it uses the...
VANET (Vehicle Ad-hoc Network) [1] is an emerging technology that enables the vehicles to communicate with each other. Nowadays, we see there are lots of accidents occurring. An effective way to avoid accidents is to provide congestion free communication between vehicles. VANET allows wireless communication between vehicles and the Road Side Units. In VANET, the vehicles are connected with each other...
Vehicular Ad-Hoc Network (VANET) [1] which is a sub-type of the mobile ad-hoc networks provides wireless communication between the vehicles and to the Road Side Units (RSU) [2]. In VANET, the communication between the vehicles is used for various purposes like safety, comfort and entertainment. We use the vehicles as the portable nodes to create the mobile network. The VANET uses all the vehicles...
DDoS is an attack which floods the server with the number of requests and as a result the server gets down. The purpose of every organization is to prevent the server from shutdown even in the presence of attacks. Our system helps by providing techniques, which are useful in preventing the server from shutdown. This can be done by using (i) Information metrics, which include the number of requests...
Cloud Computing propounds a striking option for business to pay only for the resources that were consumed. The prime challenge is to increase the MapReduce clusters to minimize their costs. MapReduce is a widely used parallel computing framework for large scale data processing. The major concern of map reduce programming model are job execution time and cluster throughput. Multiple speculative execution...
Resource scheduling is a momentous task of determining and formulating when an activity should start or end depending on the number of tasks, the availability of the resources, time and processor speed. A cloud is an aggregation of resources or services that are provided as service through network. In earlier version of cloud computing (grid computing) it was enough to find the subset of resources...
Cloud computing is a loquacious expression that has different types of computing concepts in a distributed environment. One of the major complications in cloud computing is the tremendous use of energy in the storage nodes. This is known as a data centre which plays a major role in cloud computing. Since its an emerging technology, the drawbacks has to be analysed and measures must to taken as needed...
Recent distributed computing technologies are primarily oriented towards availability and reliability in the versatile environments. For data availability, replication is widely used in distributed environments to reduce the access cost and improve the overall performance. This paper addresses the one of the main issues in maintaining consistency in replica management particularly; effective local...
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