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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1928

Title: RRR: recursive round robin scheduler
Authors: Garg, Rahul
Xiaoqiang, Chen
Keywords: asynchronous transfer mode
scheduling
quality of service
delay bound
round robin
fairness
Issue Date: 1998
Citation: Global Telecommunications Conference, GLOBECOM The Bridge to Global Integration, IEEE, 1, 422 - 432p.
Abstract: Scheduling has been an interesting problem since its inception. In the context of real-time networks, a scheduling algorithm is concerned with dispatching streams of packets sharing the same bandwidth such that certain guaranteed performance for each stream like rate and delay bound is provided. This function has a wide range of applications in network elements such as host adaptors, routers and switches. This paper proposes and describes a new scheduling algorithm named as recursive round robin (RRR) scheduler for scheduling fixed sized packets. It is based on the concept of the construction of a scheduling tree in which distinct cell streams are scheduled recursively. Special emphasis is placed on the design and analysis of the scheduler. A delay bound is analytically derived for the scheduler and verified using simulation. It is shown that the work conserving version of the scheduler is fair. Fairness indexes for the work conserving scheduler are analytically derived. The simple nature of this algorithm makes it possible to implement it at very high speeds, while considerably reducing the implementation cost
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1928
Appears in Collections:Computer Science and Engineering

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