[HN Gopher] Version Vectors are not Vector Clocks (2011)
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Version Vectors are not Vector Clocks (2011)
Author : Tomte
Score : 25 points
Date : 2022-02-07 11:24 UTC (1 days ago)
(HTM) web link (haslab.wordpress.com)
(TXT) w3m dump (haslab.wordpress.com)
| NBJack wrote:
| While I appreciate what the article is trying to accomplish, I
| believe it misses some key differences that simplify the
| comparison:
|
| Vector Clocks: Only update on arrival of external Events (new
| vector: max of other participant clocks, increment my own event
| clock)
|
| Version Vectors: Update if there's a local Replica change OR
| external notification informs them other Replicas have changed
| (new vector: max known value of each Replica version)
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(page generated 2022-02-08 23:02 UTC)