An efficient reliable broadcast protocol
ACM SIGOPS Operating Systems Review
ACM Transactions on Computer Systems (TOCS)
Broadcast Protocols for Distributed Systems
IEEE Transactions on Parallel and Distributed Systems
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In this paper, we propose a new token-based distributed algorithm for total order atomic broadcast. We have shown that the proposed algorithm requires lesser number of messages compared to the algorithm where broadcast servers use unicasting to send messages to other broadcast servers. The traditional method of broadcasting requires 3(N - 1) messages to broadcast an application message, where N is the number of broadcast servers present in the system. In this algorithm, the maximum number of token messages required to broadcast an application message is 2N. For a heavily loaded system, the average number of token messages required to broadcast an application message reduces to 2, which is a substantial improvement over the traditional broadcasting approach.