Abstract
AbstractA Web‐based portal acting as a presentation layer to the Grid allows us to provide a transparent means of access to Grid resources. Our previous experiences in developing Grid portals have shown that there is a need to draw a clear high‐level picture of the architecture. This could be defined using the J2EE component‐oriented architecture, which enables a clear separation between the presentation, business logic and data layers. Additional benefits come with J2EE 1.4 making it possible to build up advanced service‐based Grid portals by exposing stateless session beans as Web services. In this paper, lessons learnt from our prototype portal/portlet development using Enterprise JavaBeans (EJB) are reported. Copyright © 2007 John Wiley & Sons, Ltd.
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