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On a Network Dimensioning Approach for the Internet
IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Internet, network dimensioning, QoS, end-to-end communication, active/passive traffic measurement,
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In this paper, a network dimensioning approach suitable to the Internet is discussed. Differently from the traditional telephone networks, it is difficult to guarantee QoS for end-users even in a statistically sense due to an essential nature of an end-to-end communication architecture in the Internet. We should therefore adopt another approach, based on the traffic measurement. In the approach, the traffic measurement is performed for monitoring the end-to-end QoS. Then, the network adaptively controls the link capacities to meet the user's QoS demands. For this purpose, the underlying network should support such a capability that the link capacities can be flexibly reused. With the WDM network as an underlying network, an example scenario for network provisioning is finally illustrated.