A protocol-independent technique for eliminating redundant network traffic
Proceedings of the conference on Applications, Technologies, Architectures, and Protocols for Computer Communication
Scalable application layer multicast
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Proxy Cache Coherency and Replacement - Towards a More Complete Picture
ICDCS '99 Proceedings of the 19th IEEE International Conference on Distributed Computing Systems
Scattercast: an adaptable broadcast distribution framework
Multimedia Systems
A case for end system multicast
IEEE Journal on Selected Areas in Communications
Deployment issues for the IP multicast service and architecture
IEEE Network: The Magazine of Global Internetworking
A survey of proposals for an alternative group communication service
IEEE Network: The Magazine of Global Internetworking
A loss recovery approach for reliable application layer multicast
Journal of Systems and Software
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Over the last few years, application-layer multicast (ALM) has emerged as a plausible solution for supporting group-oriented applications. However, ALM suffers from inefficiency due to its reliance on end hosts and potentially significant changes at both the server and client applications. In this paper, we propose an approach, PALM (Passive Application Layer Multicast), that removes the need for changes to the server or client applications while allowing for dynamic discovery of supporting network devices and client-side OS modules. The passive nature of the approach comes from the fact that bandwidth savings occur transparently with zero required modifications to the networking environment, similar to approaches such as web caching. We demonstrate the performance improvements of PALM relative to ALM and compare the benefits versus network-level multicast and separate unicast approaches through both simulation and experimental studies.