Catch-22 for Infrastructure Clouds

Posted by in Solutions, Uncategorized.

Cloud computing users think on-demand availability is the best thing since sliced bread: it enables elastic computing, outsourcing for applications requiring urgent or interactive response, and reduces wait times in batch queues. But if you are a cloud provider you might not think so… In order to ensure on-demand availability you  need to overprovision: keep… Read more »

Comparisons: Not so Odious as Once Thought

Posted by in General, Uncategorized.

I often get asked if there is any published work evaluating performance and cost of scientific applications on IaaS clouds and comparing them to using clusters — and I always say LOTS! …and then can’t remember more than a few off the top of my head ;-). So I recently put together a list —… Read more »

Mohammad and the Mountain

Posted by in General, Uncategorized.

Will the mountain come to the Mohammad or Mohammad go to the mountain? When we consider whether clouds can provide a suitable platform for high performance computing (HPC) we always talk about how cloud computing needs to evolve to suit the needs of HPC – in other words will the mountain come to Mohammad. But… Read more »