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Cisco Saves $226M With Service-Oriented Data Centers

May 23, 2006 — CIO —

Cisco Systems has restructured its core infrastructure to align with the concept of service-oriented data centers that enable network, storage and computer power on-demand, and has saved itself 300 million Australian dollars (US$226 million) in the process.

Brian Christensen, Cisco’s IT infrastructure director for data center systems, said rather than use the already-adopted phrases for the automatic provisioning of IT infrastructure, he prefers the term "flexible data center" to describe what can be viewed as a "service-oriented data center," a concept Cisco IT has focused on for the past three years.

Christiansen, who said his job gives him the viewpoint of "an end user, not a vendor," is in Sydney for the EMC Inform conference. "[Cisco’s CEO] John Chambers expects IT to enable business strategy and productivity within the company."

Christensen said in finding ways to collaborate in a "flattened world," the data center is becoming central to the provisioning of all services.

"At Cisco, we like to use the network to automate services, [so] internally I created an application called service-oriented data center to provision storage, computing power and networks for applications," he said.

With Cisco’s data center transforming the way the vendor works, Christensen said, it is assisting the fast opening of new offices around the world as the company expands into new markets.

"In the longer term is automated storage, computing and network services," he said, adding it is about end-to-end delivery and should be available commercially in one to two years in the form of a service-oriented data center.

Cisco has about 11,148 square meters of data center space around the world, 10,000 servers running a mixture of Linux, Unix and Windows, and four petabytes of storage capacity. Between six and seven megawatts of power is required to keep the data centers running.

One of Christensen’s key directives was to increase storage utilization, which five years ago was growing at 60 to 70 percent a year, but utilization was low. The company entered into the SAN fiber channel space to be able to connect everything across data centers. Since then it has doubled storage utilization from 35 percent to 70 percent.

Cisco uses EMC storage and virtualization software from VMware to maintain high levels of utilization. It has also moved information from direct-attached storage to SAN architectures.

"Servers at Cisco in the past had their own hard disks, but now they are diskless," he said. "With the next generation of storage virtualization, we are able to provide easier data tiering."

He said Cisco is also doing a lot of work to consolidate business applications to an active-active state across data centers. Christensen cited communication service being delivered out of Hong Kong as an example of this consolidation.

 

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