Fault-tolerance Implemented by Voting Protocols in Distributed Systems |
Contents
FAULTTOLERANT COMPUTING | 8 |
DISTRIBUTED SYSTEMS REFERENCEMODELS AND PROTOCOLS | 30 |
A FAULTTOLERANT LAYER FOR HARDWARE FAULTS | 41 |
Copyright | |
Common terms and phrases
2Conf Agree assumption clock communication Conf Conf;2Conf Damaged Data link Data Link layer Delayed message Disagree discussed Distributed System Architecture distributed systems enabling predicates error control ExpectedAck ExpectedMessage Extra message fault detection fault situations Fault Type Fault-tolerant layer fault-tolerant mechanisms fault-tolerant protocols fault-tolerant system FaultType Finite State Machine FromLower hardware faults higher layers IdDisagree identical identified implemented inconsistent Ind=A Indication inputs interface language description Lower layer service machine Majority Decision MajorityAck MajorityDecision medium Missing message Network layer number of messages occur OneDisAgree Onemissing output Producer processes Receiver entity reconfiguration redundant messages reliability Req=A Req=B request restart retransmission scheduling principles Sender entity sequence numbers service primitives service specification set of messages skew spare specified faults structural reduction subtasks technique time-interval time-out time-stamp TMR system transient faults transition model Transmitter entity Transport layer Transport service Triple Modular Redundancy Upper layer Uppsala University varying delays verification Voter entities VoteResult