 Amazon Web Services announced the launch of Cluster Compute Instances for Amazon EC2.  Which aims to provide high-bandwidth, low- latency instances.

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Presentation transcript:

 Amazon Web Services announced the launch of Cluster Compute Instances for Amazon EC2.  Which aims to provide high-bandwidth, low- latency instances for high performance computing.  The announcement was met with a variety of responses from the blogosphere and media.

 Should funding agencies ban purchase of HPC clusters by university researchers?  The Register s Dave Rosenberg, meanwhile, pronounced, “Amazon sounds death knell for rocket- science grids.”  Craig Lee, President and CEO of the Open Grid Forum, responds with his own take on reports of grid’s death.

 It’s historical fact that the grid concept came out of the big science field out of a desire to share data and processing capabilities.  As such, grids were designed and built by computer scientists to support the way scientists do their work, i.e. staging data through FTP and submitting large jobs to batch queue managers.  Doing so, however, required a secure, federated environment to manage identity, discovery, and resource allocation across administrative domains.

 In the early years of this century, this concept of resource integration caught the imagination of industry. Why?  The existing grid implementations at the time turned out to be way, too hard and too complicated.  To install and maintain that is to say, it had a poor value proposition for most organizations in the marketplace.

 Many different types of computing infrastructures have been built for different computing requirements.  Cloud computing is a fantastic concept for the on-demand provisioning of computing resources processing, storage, communication, and services through a relatively simple API.

 It is not surprising then that the Amazon EC2, would not fit everybody as tightly coupled applications suffer on EC2 because of insufficient communication bandwidth.  It is equally unsurprising that Amazon could deploy a reconfigured cloud infrastructure to provide virtual clusters with acceptable HPC performance.

 The fact that a range of computing resources can now be acquired on-demand for a reasonable market price will certainly drive the marketplace.  By the reason mentioned by the people there will be business and environmental decisions to be made around the cost and carbon footprint involved in owning your own compute resources.

 The fundamental business trade-off will have to be made in terms of how much base to own versus how much peak to rent.  Enterprise clouds will be deployed to realize many of the same benefits of economy of scale, improved utilization, and ease of application deployment.

 As clouds mature, cloud users will certainly want to develop more extensive application systems that go beyond the basic client- provider model of commercial public clouds.  Different governmental and scientific organizations will want to collaborate for national and scientific goals.  Businesses will also want to collaborate where it delivers value and gives them an edge in the marketplace.  Clearly this will require interoperability and resource federation.

 To this end, people are starting to talk about inter-clouds, federated clouds, or community clouds.  Securely managing such systems will require federated identity management and role-based authorization to instantiate virtual organizations.  Distributed workflow management tools will be required to manage data transfers and process scheduling.

 Organizations such as the International Grid Trust Federation will have to be set-up to make it all work.  This secure management of sets of distributed resources is far beyond what the current public cloud providers are offering.

 Grids are about federation; clouds are about Provisioning. To say data can cross enterprise and data center boundaries in new ways is to elide the issues of security and governance across administrative domains.  These issues have to be addressed regardless of what technology is being used.

To say grid computing required too much hardware, too much software and way too much money is to ignore two items: 1. The hardware, software and money that Amazon has sunk into EC2 and Virtual Clusters, and 2. The fact that clouds by themselves do nothing to reduce the vast complexity of federation management.

  If you need an inter-cloud, a grid, or whatever you want to call it, some type of virtual organization management will be necessary.