Jetspeed j2o Desktop is a Web 2.0 solution for portlets. Combining server-side Jetspeed Ajax services with client-side services, j2o is a paradigm shift in the way portlets are viewed and aggregated. The key change here is that Jetspeed 2.0 is a servlet-centric application: every request goes back to the server. The user interfaces experience is driven by HTTP page paradigm.
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