CLOUD DEVELOPMENT
The IT clouds: IBM, Microsoft and Sun
Tom Nolle, Contributor
05.14.2009
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Cloud computing offerings from the major IT vendors should be of interest to enterprises working with those vendors in their IT operations. IBM, Sun and Microsoft's "IT clouds," in particular, are built from the same tools available to their customers and thus provide a compatible architecture for public and private clouds. While generalized cloud computing platforms like Amazon's EC2 can normally host applications for all three of the solutions mentioned, there are benefits to obtaining cloud computing services directly from the vendor.
IBM Computing on Demand (CoD) or "Blue Cloud" is an enterprise-focused cloud computing offering that can cross over between public and private cloud applications. IBM CoD offers Intel Xeon, AMD, and IBM System p Power5+ platforms: Linux is available on all platforms, Windows is supported on the AMD platform and IBM's AIX (UNIX) is supported on the System p. The IBM CoD includes flexibility in system and storage interconnection, including the ability to connect to VPNs, terminal servers and other communications devices. Scheduling and management tools for the CoD cloud are strong, as are its security features.
CoD users can store their software images, in the same vein as an Amazon Machine Image, on a spot in the management node. From there, they would be committed to a system from the resource pool on demand. Application development is essentially the same as it would be for a dedicated system/server, and all programming languages supported by the selected OS can be used. General deployment tools are also more than adequate at migrating applications from a local system to the cloud.
The IBM CoD is offered for a base membership fee plus usage, which can range from hours to years of commitment. The pricing is reported to be higher than that of Amazon EC2, and the offering appears to be targeted primarily at IBM data center customers looking for backup or elastic incremental capacity. Because IBM uses its...
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