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Prioritized flow scheduling is essential for providing QoS differentiation and energy saving in data center network. While dynamically manipulating the routing paths of incoming flows becomes practical via enabling technology of software-defined network (SDN), scheduling a large amount of flows in real time remains challenging. In this paper, we propose an Iterative Parallel Grouping Algorithm (IPGA)...
In this paper, we propose a parallel QoS scheduler for a WDM optical interconnection system (WOPIS), using a new ranked Hopfield neural-network (RHNN). The WOPIS contains a set of Clos-like optical switches and a handful of output FDL-based optical buffers. The RHNN scheduler determines an optimal set of neurons (I/O paths) to be enabled, achieving maximal system throughput and priority differentiation...
In the IMS-based NGN service platform, live streaming is an important value-added service. But the distribution of streaming media is a difficult problem because of its massive bandwidth requirement and real-time requirement. Since IP multicast needs to update the whole network routers, this paper introduces P2P technology into live streaming system, which leverages the IP-based policy control and...
IMS, the core architecture of NGN, becomes more and more important in modern telecommunication network. It is the main driving force to promote the evolution of telecommunication technology to "All IP" network. However, it is a big challenge that how to provide carrier grade service on best effort IP network. To solve this problem, SDOs (Standards Development Organizations) have developed...
The Web service technology is becoming the mainstream for implementing the distributed applications based on architecture oriented service. Simple Web service couldn't deal with the requirements of complicated distributed system. Some relevant Web services have to be integrated to a composite service to overcome it. Now, more attentions are paid to the quality of service of composite Web service....
In this paper, the call admission control in wireless heterogeneous network is formulated as an extensive game with perfect information, which is solved by backward induction. Simulation results prove that this game-based scheme outperforms opportunistic one in terms of smaller dropping probability of handover connections and blocking probability of new connections in the WLAN area. In addition, the...
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