Paxos (computer science) - Wikipedia, the free encyclopedia: "Message flow: Basic Paxos
(first round is successful)
Client Proposer Acceptor Learner
| | | | | | |
X-------->| | | | | | Request
| X--------->|->|->| | | Prepare(1)
| |<---------X--X--X | | Promise(1,{null,null,null})
| X--------->|->|->| | | Accept!(1,V)
| |<---------X--X--X------>|->| Accepted(1,V)
|<---------------------------------X--X Response"
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