Improved explicit congestion notification for satellite networks

Arjan Durresi; Mukundan Sridharan; Chunlei Liu; Raj Jain

doi:10.1117/12.434366

27 July 2001 Improved explicit congestion notification for satellite networks

Arjan Durresi, Mukundan Sridharan, Chunlei Liu, Raj Jain

Proceedings Volume 4524, Quality of Service over Next-Generation Data Networks; (2001) https://doi.org/10.1117/12.434366
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States

Abstract

Due to the fundamental satellite system characteristics such as global coverage, broadcast nature, and bandwidth on demand, satellite systems are excellent candidates for providing high data rate Internet access and global connectivity accommodating the a wide variety of applications. Provisioning of quality of service (QoS) within the advanced satellite system is the critical requirement. Congestion remains the main obstacle to Quality of Service (QoS) on the Internet. Explicit Congestion Notification (ECN) is the only mechanism that delivers explicit congestion signals to the source. So improving the ECN feedback is essential for the future data and satellite networks and their QoS guarantees. In this paper we present a new traffic management scheme based on an enhanced ECN mechanism. In particular we used the mark-front strategy instead of the mark-tail one in ECN. The main advantage of mark-front strategy is that it sends faster feedback information about the congestion and consequently enables faster reaction from the source. Our analysis and simulation results show that the mark-front strategy of ECN provides better link-efficiency, fairness among users, lesser buffer requirements and much less losses than the mark-tail strategy.

Citation Download Citation

Arjan Durresi, Mukundan Sridharan, Chunlei Liu, and Raj Jain "Improved explicit congestion notification for satellite networks", Proc. SPIE 4524, Quality of Service over Next-Generation Data Networks, (27 July 2001); https://doi.org/10.1117/12.434366

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