IEEE/ACM Transactions on Networking (TON)
Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Hierarchical packet fair queueing algorithms
IEEE/ACM Transactions on Networking (TON)
Latency-rate servers: a general model for analysis of traffic scheduling algorithms
IEEE/ACM Transactions on Networking (TON)
Relative differentiated services in the Internet: issues and mechanisms
SIGMETRICS '99 Proceedings of the 1999 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
Proportional differentiated services: delay differentiation and packet scheduling
Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
A Dynamic Priority Assignment Technique for Streams with (m, k)-Firm Deadlines
IEEE Transactions on Computers
A case for relative differentiated services and the proportional differentiation model
IEEE Network: The Magazine of Global Internetworking
Rate allocation and buffer management for differentiated services
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Towards a new internet architecture
Web server QoS models: applying scheduling rules from production planning
Computers and Operations Research
Enhancing class-based service architectures with adaptive rate allocation and dropping mechanisms
IEEE/ACM Transactions on Networking (TON)
Place reservation: Delay analysis of a novel scheduling mechanism
Computers and Operations Research
Controlling the delay trade-off between packet flows using multiple reserved places
Performance Evaluation
A combined delay and throughput proportional scheduling scheme for differentiated services
Computer Communications
A new design for end-to-end proportional loss differentiation in IP networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Transform-domain analysis of packet delay in network nodes with QoS-aware scheduling
Network performance engineering
WWIC'05 Proceedings of the Third international conference on Wired/Wireless Internet Communications
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To support quality of service over the Internet, the Differentiated Services model has been proposed recently by the IETF. In the Differentiated Services model, flows with similar qualities of service (QoS) requirements are aggregated into classes in order to counter the scalability problem faced by the Integrated Services model. There have been several models proposed for service differentiation. The relative differentiated service model is one among them in which an assurance is given that 'higher classes will be better, or at least no worse, than lower classes'. Packet delay and packet loss are two general quality metrics under which the differentiation can take place. In this paper, we propose three schedulers based on the relative differentiated service model, namely, delay only, loss only, and both delay and loss schedulers. To evaluate the performance of the proposed schedulers, we have conducted extensive simulation studies (both per-hop and end-to-end) under uniform and non-uniform traffic loads. Our simulation studies show that the delay only and loss only schedulers differentiate effectively only in delay and loss, respectively, and the combined delay and loss scheduler differentiates effectively in both delay and loss.