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Author Raynal, Michel
Source ACM Digital Library
Content type Text
Publisher Association for Computing Machinery (ACM)
File Format PDF
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Abstract Memory space and processor time are basic resources when executing a program. But beside this implementation aspect (this time resource is necessary but does not belong to the program semantics), the concept of time presents a more fundamental facet in distributed systems namely causality relation between events. Put forward by Lamport in 1978, the logical nature of time is of primary importance when designing or analyzing distributed systems. This paper reviews three ways (linear time, vector time and matrix time) which have been proposed to capture causality between events of a distributed computation and which consequently allow to define logical time.
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 1975-04-01
Publisher Place New York
Journal ACM SIGOPS Operating Systems Review (OPSR)
Volume Number 26
Issue Number 1
Page Count 8
Starting Page 41
Ending Page 48


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Source: ACM Digital Library