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Resource reservation protocols allow communicating hosts to reserve resources such as bandwidth to offer guaranteed service. However,current resource reservation architectures do not scale well for a large number of flows. In this paper,we present a simple reservation protocol and a scalable admission control algorithm,which can provide QoS guarantees to individual flows without per-flow management in the network core. By mapping each flow to a definite time,this scheme addresses the problems that limit the effectiveness of current endpoint admission control schemes. The overall admission control process is described. Analysis is used to explain the reasonability of our scheme and simulation validates its performance. 相似文献
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INTRODUCTION The current Internet only provides a simplebest effort service where the network treats all datapackets equally. In this manner, the network keepssimple so that it can scale. Best effort service issufficient for traditional Internet applications, suchas email and web browse. But, with the advent ofvoice/video stream media and other real-time ap-plications over the Internet, there is great demandfor enhanced service on the Internet. IntServ (Braden et al., 1997) … 相似文献
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