PipesAndFilters (ThoughtStorms)

According to this : pipes http://www.xml.com/pub/a/2004/08/11/rest.html?page=2 pipes and filters as a computing metaphor go back at least to the second world war.

Explicitly one of MicroSoft's "IntegrationPatterns" (where WardCunningham is now) : http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnpag/html/intpatt-CH06.asp


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