CAP Theorem

When Network Partition happens you can haveĀ Consistencey or Availability but not both.

 

http://web.archive.org/web/20071002113029/http://www.ccs.neu.edu/groups/IEEE/ind-acad/brewer/sld001.htm

http://www.wired.com/2012/08/google-as-xerox-parc/all/

http://en.wikipedia.org/wiki/ACID

http://en.wikipedia.org/wiki/Eric_Brewer_(scientist)

http://www.quora.com/Distributed-Systems/What-is-the-CAP-theorem

http://www.cs.berkeley.edu/~brewer/cs262b-2004/PODC-keynote.pdf

http://java.dzone.com/articles/xa-transactions-2-phase-commit