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An end-to-end QoS framework with on-demand bandwidth reconfiguration

Title
An end-to-end QoS framework with on-demand bandwidth reconfiguration
Authors
Kim J.Lee M.Suda T.Daisuke M.Yang M.Huang Y.
Ewha Authors
이미정
SCOPUS Author ID
이미정scopus
Issue Date
2005
Journal Title
Computer Communications
ISSN
0140-3664JCR Link
Citation
Computer Communications vol. 28, no. 18, pp. 2034 - 2046
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
This paper proposes a new QoS framework, called the On-Demand QoS Path framework (ODP). It provides end-to-end QoS guarantees to individual flows with minimal overhead, while keeping the scalability characteristic of DiffServ. ODP exercises per-flow admission control and end-to-end bandwidth reservation at the edge of the network and only differentiates service types in the core of the network. In addition, to adapt to dynamically changing traffic load, ODP monitors the bandwidth utilization of the network and performs dynamic bandwidth reconfiguration in the network core based on the monitored bandwidth utilization. Through extensive simulations, the performance of ODP is investigated and compared with that of IntServ and DiffServ frameworks. The simulation results clearly showed that ODP provides end-to-end QoS guarantees to individual flows, which DiffServ can not provide, with much less overhead than IntServ. © 2004 Elsevier B.V. All rights reserved.
DOI
10.1016/j.comcom.2004.07.029
Appears in Collections:
엘텍공과대학 > 컴퓨터공학과 > Journal papers
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