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Implementation of an efficient transport for real-time game applications on HFC cable networks

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3 Author(s)
Jian Liu ; Commun. Syst. Center, Georgia Inst. of Technol., Atlanta, GA, USA ; R. Beyah ; J. Copeland

On HFC cable networks, in order to develop a real-time game application, we face a design problem to efficiently transmit packets with reliability. This paper introduces the SCRA (server-based collision resolution and avoidance) scheme. SCRA is a reliable transport method using UDP for real-time applications on HFC networks. In this design, we first analyze the collision probability, and estimate the required throughput on an upstream contention channel. SCRA controls the packet delivery, de-correlates the traffic bursts, and maintains a stable throughput for the application. The simulation shows that SCRA achieves ideal transmission time and bandwidth utilization. We also give the formulae to derive the parameters for a specific real-time application using SCRA.

Published in:

Communications, 2003. ICC '03. IEEE International Conference on  (Volume:1 )

Date of Conference:

11-15 May 2003