ULg Research Unit in Networking RUN

Adaptive Applications over Active Networks : Case Study on Layered Multicast

L. Yamamoto1 and G. Leduc1

1 Research unit in Networking, EECS department, University of Liège, Belgium



In this paper we study the potential and limitations of active networks in the context of adaptive applications. We present a survey of active networking research applied to adaptive applications, and a case study on a layered multicast active application. This active application is a congestion control protocol that selectively discards data in the active routers, and prunes multicast tree branches affected by persistent congestion. Our first results indicate that active networks can indeed help such an application to adapt to heterogeneous receivers, with a minimum amount of state overhead, equivalent to that of a single IP multicast group.


active network, adaptive application, congestion control, multicast

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