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The introduction is biased. Clock synchronization is much older problem than computer science; for example, it led Einstein to some of his theories. The need to have synchronous clocks was a major problem for cartographers and navigators in determining longitude since the 15th century. This needs to be rewritten to reflect a much more general and older heritage Intersofia 12:49, 1 December 2005 (UTC)
I don't think that the links for software sources for clock synching really belong here, the would be better placed in the article for NTP. --Androsyn 19:23, 4 April 2006 (UTC)