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Virtualization trend makes application availability issues harder to resolve

Precise has published the results of a survey of enterprise IT managers highlighting top priorities and concerns of moving enterprise applications to virtual and cloud environments.

The survey, conducted by Precise in August, 2011, found that large enterprises are migrating both front-office and back-office applications to the cloud, but focusing on private clouds:

• In 2011, 39 percent of organizations moved email and collaboration systems to virtual infrastructure, followed by IT management (33 percent) sales & marketing (20 percent), finance/HR/ERP (21 percent) and security (13 percent).
• In 2012, 33% of respondents report that they will move finance/ERP /HR applications to the cloud, followed by e-mail and collaboration software (23 percent) and IT management applications (21 percent).
• Over time, 37 percent of companies say they will migrate 61 percent or more of their applications to a private cloud environment, while only 6 percent of companies will do the same on a public cloud service.

Enterprise IT executives report that slow application performance is their biggest problem and also the most costly, according to the survey. After slow performance (41 percent), top problems reported by IT managers include slow time to identify the root cause of issues (24 percent), followed by shared resource contention within applications and multi-tenant storage contention (both 18 percent).

Moving applications to the cloud was expected by many to ease performance issues, giving IT the ability to quickly move a high-priority application to a more optimal resource when performance begins to suffer. The highest scoring benefit expected by survey respondents when moving to the cloud was improved application performance (26 percent), yet the biggest drawback most predicted was that it will take longer to pinpoint the causes of problems after applications move to the cloud (37 percent).

“When a problem occurs, virtualization is the enemy of visibility,” says Zohar Gilad, Executive VP with Precise. "Compounded with dynamic provisioning in the cloud and server cluster architecture, it's difficult to determine which server, VM, or application instance is to blame when troubleshooting.”

CIOs, IT managers and DBAs will need to pay close attention to application performance before and after migrations to ensure that quality of service does not suffer, according to Gilad: "Automation of transaction monitoring from the user down to storage, between physical and virtual layers, is critical. Companies should deploy processes and tools that can handle the dynamic nature of the cloud, and allow quick access to historical performance data during troubleshooting."


•Date: 8th September 2011 • Region: World •Type: Article • Topic: ICT continuity

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