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- W47689910 abstract "With the increased deployment and commercialization of networked services, provisioning differentiated services to a user or application base with diverse QoS requirements has become an important problem. The traditional approach of resource reservation and admission control provides both guarantees and graded services, however, at the cost of potentially underutilized resources and limited scalability. In this paper, we describe a WAN QoS provision architecture that adaptively organizes best~ effort bandwidth into stratified services with graded QoS properties commensurate with the QoS needs of a diverse user base. Our architecture---SBS (stratified best-effort service)-----eomplC!ments, and is compatible with, the guaranteed service architecture sharing a common network substrate comprised of GPS routers. SBS is scalable, efficient, and adaptive, exporting graded services molded to match the QoS needs of the current application base. SBS' strength, in part, stems from forfeiting resource reservation and admission control, however, at the cost of exporting services with weaker protection properties. SBS is suited to noncooperative network environments where users are selfish and resource contention resolution-i.e., the who should get what problem-is mediated by the principle of competitive interaction. SBS shields the user from complex computational responsibilities and guards the network mechanism from direct user control by emulating selfish user behavior inside the network. It does so by executing a self-optimization procedure which is user optimal in the single-switch case and approximates the NP-hard QoS assignment problem in the many-switch case. SBS achieves a simple user/simple network reaJization using decentralized QoS control." @default.
- W47689910 created "2016-06-24" @default.
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- W47689910 date "1998-01-01" @default.
- W47689910 modified "2023-09-23" @default.
- W47689910 title "Molding Best-Effort Bandwith into Graded Services: The SBS Approach" @default.
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- W47689910 hasPublicationYear "1998" @default.
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