Object-based checkpoints are consistent in the object-based system but may be inconsistent according to the traditional message-based definition. We present a protocol for taking object-based checkpoints among objects. An object to take a checkpoint in the traditional message-based protocol does not take a checkpoint if the current checkpoint is object-based consistent with the other objects. The number of checkpoints can be reduced by the object-based protocol.
['Katsuya Tanaka', 'Makoto Takizawa']
Protocol for Taking Object-Based Checkpoints