Analysis and simulation of a fair queueing algorithm
SIGCOMM '89 Symposium proceedings on Communications architectures & protocols
Random early detection gateways for congestion avoidance
IEEE/ACM Transactions on Networking (TON)
Link-sharing and resource management models for packet networks
IEEE/ACM Transactions on Networking (TON)
Explicit allocation of best-effort packet delivery service
IEEE/ACM Transactions on Networking (TON)
Proportional differentiated services: delay differentiation and packet scheduling
Proceedings of the conference on Applications, technologies, architectures, and protocols for computer communication
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This paper presents a new scalable buffer-management scheme for IP Differentiated Services. The scheme consists of a Differentiated Random Drop (DRD) algorithm using feedback from a virtual scheduler. DRD choses a queue to perform an early packet drop to avoid congestion according to a specific probability function. It will be shown that DRD in conjunction with first-come first-served scheduling is able to support relative service differentiation. The virtual scheduler is introduced to enable service differentiation in terms of bandwidth and delay at the same time. A virtual scheduler runs in parallel to the real scheduler and maintains virtual queue lengths that are being used by the congestion avoidance scheme for packet-drop decisions. Scheduling packets for transmission is performed by the real scheduler only.