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Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/1121

Title: Flow-based reservation marking in MPLS networks
Authors: Liu, Nianbo
Cao, Jiannong
Liu, Ming
Zeng, Jiazhi
Subjects: DiffServ networks
Multiprotocol label switching
Quality of service
Resource allocation
Routing protocols
Telecommunication traffic
Issue Date: 2008
Publisher: IEEE
Citation: ICC 2008: IEEE International Conference on Communications, 19-23 May, 2008, Beijing, China, p. 414-418
Abstract: Marking in DiffServ at the edge of the network often follows a demand side policy. It meters a traffic stream and marks its packets according to some predefined traffic parameters as Committed Information Rate, Committed Burst Size, Excess Burst Size and so on. Such marking based on traffic characteristics is irrespective to network dynamics, which causes collision and QoS degradation in DiffServ. This paper proposes flow-based Reservation Marking as a supply side marking at the network edge, which marks stream packets reserved or unreserved according to flow-specific reservation in a distributed resource reservation environment. When congestion occurs, anticipant per flow QoS is secured by protecting reserved packets on core routers without any per flow or per trunk management. It provides a simple, scalable and adaptive mechanism of implementing quantitative end-to-end QoS by mapping per flow in IntServ into per class in DiffServ. A "once reserve, no more manage" framework is constructed to eliminate flow state, avoiding unexpected collision and flow management simultaneously on core routers. Performance evaluation reveals that it affords controllable and quantitative QoS, keeps networks core-stateless and achieves high link utilization at the same time.
Rights: © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
Type: Conference Paper
URI: http://hdl.handle.net/10397/1121
ISBN: 9781424420759
ISSN: 05361486
Appears in Collections:COMP Conference Papers & Presentations

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