Classify possible failure points of distributed applications
Classify the possible failure points of a distributed application.
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Client is not able to locate server: return errorLost request messages: simple time-out mechanismsLost replies: timeout mechanisms
Server failures: did failure take place before or after operation?
Client failure: what happens to server computation?Referred to as an orphan
Extermination:
Reincarnation:
Expiration: give each RPC a fixed quantum T; explicitly request extensions
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