Pallavi Kathuria : Director, Server Business Group, Microsoft Corporation (I) Pvt. Ltd

What is the scope of virtualisation as we are moving towards digital convergence?
Virtualisation is clearly one of the most critical and sea changing IT concepts with wide reaching implications for the global as well as Indian scenario. Analysts too have acknowledged the wide-scale adoption and success that virtualisation technology is experiencing in the market today. In fact, Gartner recently termed virtualisation as a “revolutionary technology” that will have the highest impact on IT infrastructure & operations till 2012. According to IDC, share of virtualised servers is expected to double by 2008 end.

Is India ready for virtualisation yet?
India has grown to realise the potential of virtualisation technology. Businesses across verticals like IT & ITeS are early adopters of consolidation & virtualisation. The success received by this technology has now triggered the momentum of its adoption in industries like BFSI & manufacturing. Enterprises in India are fast picking up on its additional benefits like savings in power consumption and improved investment in physical office space. Server virtualisation apart, storage virtualisation is fast emerging as a key technology trend in India.

How does virtualisation enhance an organisation’s business value?
Based on a single server, virtualisation creates multiple servers allowing several operating system applications to share a single hardware processor – thereby utilising a common processor, memory, network storage & resources for running each of the servers. Some key advantages of virtualisation technology that enterprises benefit from:

• Server consolidation: By consolidating multiple workloads onto a single hardware platform, enterprises can maintain “one application/one server” while reducing physical server sprawl.
• Maximised uptime: By compartmentalising workloads, users prevent one application from impacting the performance of another, or causing a system crash.
• Robust disaster recovery: Virtualisation strategy allows businesses to maintain instant fail-over plan that provides continuity throughout disruptive events.
• Reduced application compatibility testing: By virtualising applications and delivering them on demand to desktops, application-to-application conflicts are nearly eliminated. This significantly reduces the amount of regression testing that is required prior to deployment and prevents most compatibility problems
• Support legacy and LOB applications: Terminal Services and/or desktop virtualisation can enable applications written on older operating platforms to be supported in a current operating system without software code revisions.
• Efficient server maintenance: Flexibility of shifting workloads between physical servers with minimal disturbance to their operation allows planned server maintenance to be performed without service disruption.
• Streamlined provisioning: Adding workload resources can be accelerated and de-coupled from a hardware acquisition process. If a particular business process requires additional capability to meet business needs (say, a web commerce engine), adding this capability is streamlined and immediate.
• Reduced complexity: When managing the virtual infrastructure with the same tools for physical assets, customers can reduce system complexity and streamline changes made to the overall infrastructure

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Source : IIPM Editorial, 2008

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