Chaporkar, P and Kuri, J (2002) A network architecture for providing per-flow delay guarantees with scalable core. In: Journal of High Speed Networks, 12 (3-4). pp. 87-109.
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Many real-time applications demand delay guarantees from the network. A network architecture designed to support these applications should be robust and scalable. The IntServ architecture provides per-flow QoS at the cost of robustness and scalability. The DiffServ architecture is robust and scalable but can provide QoS at a class level and not at a flow level. In this paper, our aim is to design architectures that are scalable and robust like DiffServ and at the same time able to provide per-flow QoS like IntServ. We propose a non work-conserving and a work-conserving architecture to achieve this goal. The guaranteeable delay regions of these architectures are the same as those of GPS based policies with rate proportional resource allocation. We also propose a scheme to provide meaningful throughput and responsiveness to best effort traffic even in the presence of heavy QoS load.
| Item Type: | Journal Article |
|---|---|
| Publication: | Journal of High Speed Networks |
| Publisher: | IOS Press |
| Additional Information: | copyright of this article belongs IOS Press. |
| Keywords: | QoS;differentiated services;scalable core;delay guarantee; schedulability |
| Department/Centre: | Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology) |
| Date Deposited: | 18 Nov 2009 10:31 |
| Last Modified: | 18 Nov 2009 10:31 |
| URI: | http://eprints.iisc.ac.in/id/eprint/16713 |
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