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This paper describes the progress made in improving the bandwidth-on-demand (BoD) capabilities of the Japanese academic backbone network called SINET3. Since the start of layer-1 BoD services in 2008, we have expanded the service provision area nationwide, introduced functions to improve the usability in response to user requests, and flexibly managed the network resources by taking into account a...
The bandwidth measurement is essential for resource management, provisioning of network. There are many measurements techniques and tools, but the accuracy and intrusiveness of these tools are not much shown concurrently in a paper. Thus, we survey bandwidth measurement tools and evaluate performance of some well-known tools. In this paper, we present measurement results in accuracy and intrusiveness...
In an environment where IEEE 802.16 access networks are used as a backbone for a heterogeneous wireless access network, the question of Quality of Service brings along a questioning on several other aspects: scalability, guarantees, scheduling among others. We give in this paper a general solution answering those questions. This solution is based on an aggregated bandwidth management in the backbone...
We present a new method for managing bandwidth which is allocated among several services. In implementation of the idea, we have used a queuing algorithm, a packet queuing technique applicable in a setup where the systems are connected to the Internet through a server (running our module) and the server receives all the packets requested from the all the services. The technique basically involves...
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