What is Cloud Computing?

Cloud computing is the current hype now. I attended the International Symposium of Grid Computing in Taipei and the Sun China Education and Research conference in Shanghai last 2 weeks and I'm not surprise that Cloud computing was one of a popular topics. Just what is cloud computing? And how is it different from Grid computing? I had the chance to chat with Prof Jin Hai, a highly regarded researcher in the Grid community and chief scientist of ChinaGrid, and learned about his perspective. He explained the 3 key ideas of Cloud computing:

1. Use of virtualization technology to provision and manage compute resources
2. Use of web 2.0 technology to create a dynamic and rich user experience
3. Modularize of small components/packages that makes deployment of Cloud computing technology simple and easy

To me, Cloud computing is just an evolution of Grid computing - from resource-oriented to user-oriented. Traditionally Grid research is mostly about 'HOW' - how to manage the resource, how to submit jobs, how to stage in data etc. Now, the focus is shifting to 'WHAT' - what can it do, what is the interface.
Comments:

Thank you for sharing your knowledge in brief for new listener of this word.

Posted by Anjum Rizwi on May 12, 2008 at 11:02 AM SGT #

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Melvin Koh

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