Journal of the ACM (JACM)
Virtual clock: a new traffic control algorithm for packet switching networks
SIGCOMM '90 Proceedings of the ACM symposium on Communications architectures & protocols
Fairness in processor scheduling in time sharing systems
ACM SIGOPS Operating Systems Review
Efficient fair queueing using deficit round robin
SIGCOMM '95 Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
Efficient network QoS provisioning based on per node traffic shaping
IEEE/ACM Transactions on Networking (TON)
Exact admission control for networks with a bounded delay service
IEEE/ACM Transactions on Networking (TON)
Start-time fair queueing: a scheduling algorithm for integrated services packet switching networks
Conference proceedings on Applications, technologies, architectures, and protocols for computer communications
Efficient fair queueing algorithms for packet-switched networks
IEEE/ACM Transactions on Networking (TON)
Latency-rate servers: a general model for analysis of traffic scheduling algorithms
IEEE/ACM Transactions on Networking (TON)
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Fairness, latency and computational complexity are three important factors in evaluating the performance of a scheduling algorithm. Fairness must be satisfied so that service can be distributed according to the reserved rate. Only when latency is irrelevant to the number of connections, is it possible to minimize the end-to-end delay through controlling the reserved rate. Among existing scheduling algorithms, Round Robin is the least complex. However, conventional Round Robin is unable to ensure fairness, and the improved round robin algorithms like Deficit Round Robin, Weighted Round Robin and Virtual Round Robin are unable to ensure that their latencies are irrelevant to the number of connections although they guarantee fairness. Poetential Round Robin developed for analysis of fairness and latency reduction is thus proposed. It is based on the introduction of a new concept, Round Potential Function. The function splits service time into a number of service round periods to guarantee fairness regardless of the serving process used in the period. In the analysis of latency, service round periods are re-split into multiple scanning cycles for further service distribution with approximate sorting between scanning cycles. As a result, latency is no longer relevant to the number of connections while the low complexity of round robin is kept.