The full text of this article


Secure message delivery in publish/subscribe networks using overlay multicast
by Paul Rabinovich, Robert Simon
International Journal of Security and Networks (IJSN), Vol. 2, No. 1/2, 2007


Abstract: This paper examines an approach to guarantee service integrity in insecure publish/subscribe systems using overlay multicast. The proposed mechanism constructs a delivery tree laid over both the underlying network and the predicate (subscription) graph. It uses message replication and voting to simulate a secure delivery tree in an insecure environment. We provide an algorithm to construct a minimum-cost delivery tree, analyse its performance, develop a formal model to estimate the cost of delivery of a single message and propose heuristics to lower the computational complexity of our basic algorithm.


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