Fault Tolerant Replication Engine

Trans Memb

Exchange

Messages

Last

CPC

Last

CPC

Last

State

Possible

Prim

No Prim

or

Trans Memb

Recover

Trans Memb

Reg Memb

Reg Memb

Trans Memb

Reg Memb

Reg Memb

Update

update (Red)

Update (Yellow)

Update (Green)

1a

1b

?

0

[AT02]

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