Main memory system and checkpointing protocol for fault-tolerant computer ...

READ CONTENTS OF

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INTO EXCLUSIVE - OR STAGE

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PERFORM BIT - BY - BIT
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STORE RESULT OF

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MEMORY

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Fig. 3

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ALL FLUSH

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Fig. 6A

INITIATE
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INITIATOR

INCREMENT
FLUSH COUNTER

ALL FLUSH

COUNTERS

INCREMENTED

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AND BEGIN
BUFFER COPYING

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Fig. 6B