Multisession rate control for layered video multicast

Xue Li; Sanjoy Paul; Mostafa H. Ammar

doi:10.1117/12.333808

14 December 1998 Multisession rate control for layered video multicast

Xue Li, Sanjoy Paul, Mostafa H. Ammar

Proceedings Volume 3654, Multimedia Computing and Networking 1999; (1998) https://doi.org/10.1117/12.333808
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

In a video multicast session, the receivers may possess different capabilities or be connected to the network through a variety of different access speeds. Multicasting video traffic at any one rate to all of the receivers can be unfair as some receivers may experience high losses while others find that their full reception capacity is not fully utilized. Layered video multicast protocols have been developed to address this intra-session fairness problem. In such protocols (e.g., RLM and LVMR), video is multicast in multiple layers over separate multicast groups. Receivers join as many layers as they can handle. While protocols such as RLM and LVMR have been shown to successfully address the intra-session fairness issue in video multicast, they do not address the issue of inter-session fairness, i.e., fair sharing between multiple video sessions and TCP sessions. In this paper, we demonstrate and develop insight into the inter-session fairness problem through a set of simulation experiments. We then propose a novel idea to improve inter- session fairness for layered video multicast protocol: layer-based congestion sensitivity mechanism, and finally evaluate it with some other end-to-end schemes designed to promote inter-session fairness when used to augment layered video multicast protocols.

Citation Download Citation

Xue Li, Sanjoy Paul, and Mostafa H. Ammar "Multisession rate control for layered video multicast", Proc. SPIE 3654, Multimedia Computing and Networking 1999, (14 December 1998); https://doi.org/10.1117/12.333808

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