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The Internet was designed as a packet-switched network in the 1960's and 1970's, with the explicit intent of sacrificing quality-of-service guarantees for an individual application in order to optimize channel usage and provide optimal median service for all applications. This approach was successful, since the application mix of the Internet heretofore has been dominated by applications with low...
In the absence of end-to-end quality of service (QoS), overlay routing has been used as an alternative to the default best effort Internet routing. Using end-to-end network measurement, the problematic parts of the path can be bypassed, resulting in improving the resiliency and robustness to failures. Studies have shown that overlay paths can give better latency, loss rate, and TCP throughput. Overlay...
Multimedia traffics are conquering the computer networks. The multimedia communication system requires, the router's forwarding plane to forward the packet according to their QoS requirement. The computer network is an emerging challenge for the open source community. The paper covers mainly two basic components. The first is related to the installation and configuration aspects for implementing DiffServ...
In this paper, QoS-guaranteed path selection algorithm for service composition is described. A heuristic algorithm, K-closest pruning (KCP), is used to solve the problem of multi-constraint service path selection for SON in polynomial time. The main feature of this algorithm is that the path selected by this algorithm meets all the QoS requirements specified by the user/application. The main idea...
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