Distributed Consensus in Content Centric Networking

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Distributed Consensus in Content Centric Networking


Marc Mosko


We describe a method to achieve distributed consensus in a Content Centric Network using the PAXOS algorithm. Consensus is necessary, for example, if multiple writers wish to agree on the current version number of a CCNx name or if multiple distributed systems wish to elect a leader for fast transaction processing. We describe two forms of protocols, one using standard CCNx Interest request and Content Object response, and the second using a CCNx Push request and response. We further divide the protocols in to those using the CCNx 0.x protocol where Content Object name may continue Interest names and the CCNx 1.0 protocol where Content Object names exactly match Interest names.

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