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Active Services to improve Quality of Service in Networking using Network Processor


N.Saravana Selvam.M.E., S.Radhakrishnan


Vol. 8  No. 10  pp. 243-246


QoS refers to the capability of a network to provide better services to selected network traffic over various technologies. The advent of high-speed networking technology has enabled many multimedia applications like video conferencing, Medical imaging and VOIP. These applications have different performance requirements of bandwidth, delay, jitter and loss rate which leads to an important issue of how to support QoS on the modern high-speed networks. The concept of active networks was introduced in 1994 by Defense Advanced Research Projects Agency (DARPA). In addition to packet forwarding mechanism in traditional IP network, active networks allow the network nodes to perform user or application specific computations on user data passing through them. In active networks, normal packets are replaced with active packets containing small programs and possible data. Network nodes are substituted by active nodes capable of performing computations on packets as requested by the application. In this article, we are using these active network approach to improve the QoS in Networking using Network Processor (IXP 2400).


Quality of Service, Active networks