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OGF Makes Interoperability Real


Open Grid Forum (OGF) recently achieved a major leap forward in ensuring grid interoperability becomes real. Microsoft, Altair Engineering and Platform Computing have adopted OGF's High Performance Computing Basic Profile Specification in next-generation product releases. The HPC Basic Profile Specification incorporates two OGF published standards -- the OGSA-Basic Execution Services specification and the Job Submission Description Language specification -- together with the WS/I Basic Profile published by the Web Services Interoperability Organization.

Starting in 2008, Microsoft's Window's HPC Server 2008, Altair's PBS Professional and Platform's LSF products all will meet OGF's HPC Basic Profile Specification. End users will now be guaranteed that their use of these products will enable complete interoperability to manage resources in virtual organizations over multi-site, multi-vendor grids. Furthermore, end users will be able to integrate their use of these highly function commercial solutions together with open source solutions developed by the worlds' leading production grids.

OGF, Microsoft, Altair and Platform, together with EGEE/OMII-UK, NorduGrid/KnowARC, NIC/Forschungszentrum Julich/OMII Europe, UK e-Science and the University of Virginia, demonstrated fully interoperable implementations of the HPC Basic Profile at SC 2007. Demonstrations involved compute clusters on a grid processing various applications submitted via the HPC Basic Profile specification. HPC Basic leveraging common Web services and OGF standards to ensure all middleware used in the demonstration worked seamlessly together.

End users will benefit from the integration of HPC Basic Profile into multiple applications in a variety of ways:

  • Web application: Users access applications with their Web browser while the application server uses the HPC Basic Profile to initiate the execution of the application. This capability, for example, has provided engineers working in oil reservoir exploration an easy to use interface for compute job submission and execution tracking, regardless of which compute device is being used.
  • Metascheduler: Users submits their jobs to a local resource manager, which then uses the defined policy to route the jobs to a suitable execution resource. This resource may be accessed through the HPC Basic Profile and use a different resource manager or be located in a different organization. This capability simplifies the consolidation of separate grids (perhaps due to a merger or partner arrangement) which may be running different scheduling software.
  • Rich client: An engineer or scientist runs a "workbench" application that includes running simulations that test elements of the design. When the user runs a simulation, the rich client dispatches it to a compute resource using the HPC Basic Profile. In many cases, this has allowed organizations to gain better leverage of their entire set of compute devices -- regardless of geographic location -- resulting in higher utilization, lower cost of operation and better return on capital investment.
  • Workflow engine: Various applications are chained together into a workflow of computing tasks. Users define job nodes and their dependencies into a graph. The workflow engine does not need to be aware of the different resource managers and can execute each node in the graph based on the job description and the HPC Basic Profile. This capability saves time and reduces the risk of human intervention during the execution of a multi-stage workflow such as one that a crash simulation engineer may require.

HPC Basic Profile Applications

In short, users on grids in single organizations or users using virtual resources from multiple providers on grids will get their work done without concern for location and nature of the resources meeting their needs. Users will be able to focus completely on their challenges confident that the tools they require will be seamlessly assembled on the grid once they submit their job.

With the announcement that Microsoft, Altair and Platform -- long-time supporters of OGF -- have made their commitment to interoperability real in the adoption of HPC Basic Profile, the challenge is now out to other middleware and application developers to meet their customers' demands for full interoperability.

From its inception, OGF has been dedicated to ensuring that grid technologies become pervasively adopted based on open, collaboratively set specifications and standards that provide for complete interoperability. OGF is an international community of active volunteers drawn from grid users, vendors of grid technology, and grid researchers who work to develop standards that when embedded in middleware eliminate barriers to full interoperability. Applications that sit upon middleware based on Open Grid Forum set standards are applications that co-exist with other applications in multi-site, multi-vendor virtual resource grids. These standards make the "open" grid real.

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