Service Oriented Architecture has enteredt he mainstreamo fb usiness applications and articles aboutS OA continue to proliferate.H owever, textst hat share people"s real-lifee xperiencesw ith SOAa re scarce. Partly thisc an be attributedt od ifficulties in sharing architecturalk nowledge in as tructured way. Thisa rticle calls for more effort to be puti nto sharing knowledge through architectural patterns. That is done by describing concrete patternst hat have emergedi nt he SOAp ractice of

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... rmation-intensivee nterprises. Fellow architectsare invited to jointhe effort of "Via Nova Architectura" (www.via-novaarchitectura.org)and share their experiences through patterns.