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2006•Journal of Nanjing Institute of TechnologyRequires access

Queue Scheduling and Management for Supporting DiffServ

Huajun Liu

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Abstract

The paper first analyzes various services provided by differentiated services(DiffServ).It then presents an implementing scheme of router queue scheduling and management for supporting DiffServ.In the scheme,the edge routers use token bucket tagged algorithm,while the core routers use random early detection with In and Out algorithm.Finally,a simulation by the ns-2.26 network simulator is used to test the feasibility and fairness of the scheme.The results of the simulation show that the QoS of the DiffServ for different business flows can be assured.

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What this paper is about

The paper first analyzes various services provided by differentiated services(DiffServ).It then presents an implementing scheme of router queue scheduling and management for supporting DiffServ.In the scheme,the edge routers use token bucket tagged algorithm,while the core routers use random early detection with In and Out algorithm.Finally,a simulation by the ns-2.26 network simulator is used to test the feasibility and fairness of the scheme.The results of the simulation show that the QoS of the DiffServ for different business flows can be assured.

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Available abstract

The paper first analyzes various services provided by differentiated services(DiffServ).It then presents an implementing scheme of router queue scheduling and management for supporting DiffServ.In the scheme,the edge routers use token bucket tagged algorithm,while the core routers use random early detection with In and Out algorithm.Finally,a simulation by the ns-2.26 network simulator is used to test the feasibility and fairness of the scheme.The results of the simulation show that the QoS of the DiffServ for different business flows can be assured.

Key concepts: Computer science, Computer network, Quality of service, Router, Scheduling (production processes), Queue, Differentiated services, Token bucket

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