No. 16
Distributed
System
Fault Tolerance
Votingの例
agree
ver.2
[1]
request
ver.3
[5]
disagree
ver.2
[3]
agree
ver.3
[4]
network
failure
[2]
agree
ver.2
agree
ver.2
[1]
request
ver.3
[5]
disagree
ver.2
[3]
agree
ver.3
[4]
agree
ver.3
[2]
agree
ver.2
[成立]
[失敗]
quorum = 3、votesは全プロセッサで1とする
賛成: 1,3,4
無効: 2
反対: 5
賛成: 1,3,4
無効: 2, 4
反対: 5