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Unformatted text preview: b) What is the key, title, and authors of the paper? [McCanne96a] Receiver-driven Layered Multicast ,Steven McCanne, Van Jacobson, Martin Vetterli c) what is the key ideas or claims of the paper (1-2 sentences)? The paper explores the field of heterogeneous multicast environment and describes a rate-adaption protocol, the Receiver-driven Layered Multicast protocol (RLM protocol) for the current multiple-IP groups. It discusses the protocol in detail along with the factors like the performance, scaling and maintenance features of the protocol. d) what is the novel about the paper (1 sentence, note that this may be different than your answer to (a))? The paper begins with the giving the basic idea and the limitations involved in case of various source based rate adaptation protocols for the heterogeneous multicast environment and then proposing its protocol architecture which overcomes the limitations posed by the other protocols. Thus it thoroughly justifies the existence and need for the RLM protocol. The paper also addresses the issues related to a layered multicast transmission system and the layered source coding algorithms involved in the RLM protocol. e) what methodology (or methodologies) does the paper use (1-2 sentences)? The paper starts with the giving an idea about the need of a receiver-adaptation Multicast protocol as compared to a source based adaptation protocol for the current IP-Multicast environment. It then describes the architecture and the features offered by the RLM protocol. It then describes various simulations which were run in order to evaluate the performance of the protocol under different scaling scenarios. Since their focus is to design a complete system they describe their work on a low complexity, layered source coder which readily recovers from errors. They then combine this with RLM to provide a comprehensive solution for scalable multicast video transmission in the heterogeneous environment of internet and other similar networks. f) what is one way the paper could best be improved (1-3 sentences)? This paper being one of the first to explore the field of receiver-driven Multicast adaptation, it has several future scopes to improve upon such as further quality and maintenance analysis of the protocol along with a tryst in combining with other adaptive protocols to widen the scope of such protocols. Also it could have been improved by providing more simulation results. g) do you consider this paper important or not, and why (1-2 sentences)? I consider this paper to be important because: 1) It presents a novel approach receiver-driven adaptation to solve the problems and limitations of the heterogeneity aspects of the Internet through its proposed RLM protocol. 2) It thoroughly justifies the need and existence of the RLM protocol by convincingly proposing the solutions to the existing problems in IP-Multicast environments....
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- Spring '08