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TeraGrid will provide a unique distributed resource with over 13 Teraflops of computing capability, nearly 1 Petabyte of online storage, and dedicated Teraflops clusters for visualization and data collection analysis. TeraGrid will be integrated using a suite of grid and middleware software technologies anchored by the Globus Toolkit, with a design objective toward an open, extensible architecture that can be expanded or duplicated, based on protocols and standards to promote interoperability. Catlett will provide an overview of the TeraGrid architecture, key technologies including the software, clusters and optical network, and plans for ensuring that TeraGrid reinforces and supports the global grid community.

SUMMARYMany production Grid and e-Science infrastructures have begun to offer services to end-users during the past several years with an increasing number of scientific applications that require access to a wide variety of resources and services in multiple Grids. Therefore, the Grid Interoperation Now-Community Group of the Open Grid Forum-organizes and manages interoperation efforts among those production Grid infrastructures to reach the goal of a world-wide Grid vision on a technical level in the near future. This contribution highlights fundamental approaches of the group and discusses open standards in the context of production e-Science infrastructures.

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