Bladewatch.com

http://www.it-director.com/business/costs/content.php?cid=9541

Grid computing is also an example of resource aggregation, as it enables the virtualisation of distributed IT resources such as storage, bandwidth and CPU cycles, while splitting a mainframe into logical partitions is an example of partitioning.

While the term virtualisation has been around since at least the 1960s, recent developments have refocused attention on the concept—thanks in part to husband and wife team Diane Greene and Mendel Rosenblum who founded the company VMware.

They released a desktop virtualisation product in 1999, followed by one for servers in 2001. In so doing, they brought virtualisation out of the mainframe glasshouse and onto industry-standard x86 hardware which had never been designed to be virtualised.

Virtualization and Grid can both be effective ways of getting more from your infrastructure, whether its consolidating your existing servers on to blades/rackmounts, taking those 9 DL360s and putting them on one DL580, or grid enabling your application to reduce the processing time from 8 hours to 3. Check out which could work for you and recognize that there are market leaders in both fields, but some of the alternatives offer just as much functionality at potentially lower cost. Do consider how these technologies would work within your IT, how you could maximize technical beneift without creating any barriers to entry, user/business perceived issues.

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