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Vendors air the cloud's pros and cons

Officials weighed the cloud's economic benefits as well as the security and standardization concerns at the Cloud Computing Conference and Expo
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Industry officials promoted the benefits but also noted the challenges posed by cloud computing at the Cloud Computing Conference & Expo conference last Friday afternoon, citing economics as a plus for the concept and security as a concern.

Cloud computing features users accessing services deployed by a third party's infrastructure rather than using their own in-house systems. The concept offers improved economics, with a shared infrastructure and elasticity, said Preeti Somal, vice president of research and development at VMware, during a general session at the event.

But a lack of standardization in the cloud creates complexity and switching costs when moving to another vendor, she stressed. Each cloud vendor has a different application model. Proprietary, vertically integrated stacks limit choice, according to VMware.

To address standardization, VMware is proposing OVF (Open Virtualization Format), a packaging and distribution format for virtual formats. It is intended to offer more portability and platform independence.

Service providers play a key role in VMware's plan. "For us, our goal is to [enable] service providers, to provide them that software layer that enables them to move to cloud computing," Somal said.

Additionally, VMware wants enterprise IT people to be able to move applications to the cloud without modifications.

VMware offers its vCloud technologies for cloud computing. VCloud features an API layer for exposing APIs so tooling can be built. Also, costs are simplified in moving things in and out of the cloud and the datacenter, Somal said.

She presented VMware's roadmap for cloud services. Presently with this roadmap, the company has more than 100 service providers using VMware virtual infrastructure. Enterprise-class cloud, hosting, and managed services also are featured.

A subsequent vCloud services component presented on the roadmap features the vCloud API, which is due in 2009. Also featured at this stage of the roadmap were virtual appliances and vApps to enable mobility and consistent management. Solutions include disaster recovery, infrastructure as a service, and "flex capacity."

The third part of the roadmap features optimized vCloud services with integrated management between on-premise and public clouds as part of VMware's vCenter. Applications will be built to leverage the vCloud distributed architecture.

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