Grids Portals: Frameworks, Middleware or Toolkit
Grid portals are interfaces for interconnection between Grid resources and users. Grid portals are supported by components called portlets, servlets and middleware. Frameworks, middleware and/or development toolkits are used in the design and development of grid portals; each of them presents distinctive characteristics like any existing tool for grid portals such as: GridSphere, GridPort, PortalLab and others. The concept and definition of the components of a Grid Portal are not clear at the time of their application, because different models and works are appointed arbitrarily without taking into account the approach and features of the concept. Their clarification can give an insight to each grid portal and existing components.
Keywords: Grid Portals, Middleware, Portlets, Servlets, Framework
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