|Author||Freiling, Felix C. ♦ Guerraoui, Rachid ♦ Kuznetsov, Petr|
|Source||ACM Digital Library|
|Publisher||Association for Computing Machinery (ACM)|
|Subject Domain (in DDC)||Computer science, information & general works ♦ Data processing & computer science|
|Subject Keyword||Distributed system ♦ Agreement problem ♦ Atomic commit ♦ Consensus ♦ Fault tolerance ♦ Liveness ♦ Message passing ♦ Safety ♦ Synchrony|
|Abstract||A failure detector is a fundamental abstraction in distributed computing. This article surveys this abstraction through two dimensions. First we study failure detectors as building blocks to simplify the design of reliable distributed algorithms. In particular, we illustrate how failure detectors can factor out timing assumptions to detect failures in distributed agreement algorithms. Second, we study failure detectors as computability benchmarks. That is, we survey the weakest failure detector question and illustrate how failure detectors can be used to classify problems. We also highlight some limitations of the failure detector abstraction along each of the dimensions.|
|Age Range||18 to 22 years ♦ above 22 year|
|Education Level||UG and PG|
|Learning Resource Type||Article|
|Publisher Place||New York|
|Journal||ACM Computing Surveys (CSUR)|
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