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For Lowest Cost and Greatest Agility, Choose Software-Defined Data Center Architectures
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For Lowest Cost and Greatest Agility, Choose Software-Defined Data Center Architectures

The era of the software-defined data center is upon us. The promise of a software-defined strategy is a virtualized data center created from compute, network and storage building blocks. A Software-Defined Data Center (SDDC) moves the provisioning, management, and other advanced features into the software layer so that the entire system delivers improved agility and greater cost savings. This tectonic shift in the data center is as great as the shift to virtualized servers during the last decade and may prove to be greater in the long run.

This approach to IT infrastructure started over a decade ago when compute virtualization - through use of hypervisors - turned compute and server platforms into software objects. This same approach to virtualizing resources is now gaining acceptance in networking and storage architectures. When combined with overarching automation software, a business can now virtualize and manage an entire data center. The abstraction, pooling and running of compute, storage and networking functions, virtually, on shared hardware brings unprecedented agility and flexibility to the data center while driving costs down.

In this paper, Taneja Group takes an in-depth look at the capital expenditure (CapEx) savings that can be achieved by creating a state-of-the-art SDDC, based on currently available technology. We performed a comparative cost study of two different environments: one using the latest software solutions from VMware running on industry standard and white label hardware components; and the other running a more typical VMware virtualization environment, on mostly traditional, feature rich, hardware components, which we will describe as the Hardware-Dependent Data Center (HDDC). The CapEx saving we calculated were based on creating brand new (Greenfield) data centers for each scenario (an additional comparison for upgrading an existing data center is included at the end of this white paper).

Our analysis indicates that a dramatic cost savings, up to 49%, can be realized when using today’s SDDC capabilities combined with low cost white-label hardware, compared to a best in class HDDC. In addition, just by adopting VMware Virtual SAN and NSX in their current virtualized environment users can lower CapEx by 32%. By investing in SDDC technology, businesses can be assured their data center solution can be more easily upgraded and enhanced over the life of the hardware, providing considerable investment protection. Rapidly improving SDDC software capabilities, combined with declining hardware prices, promise to reduce total costs even further as complex embedded hardware features are moved into a more agile and flexible software environment.

Depending on customers’ needs and the choice of deployment model, an SDDC architecture offers a full spectrum of savings. VMware Virtual SAN is software-defined storage that pools inexpensive hard drives and common solid state drives installed in the virtualization hosts to lower capital expenses and simplify the overall storage architecture. VMware NSX aims to make these same advances for network virtualization by moving security and network functions to a software layer that can run on top of any physical network equipment. An SDDC approach is to “virtualize everything” along with data center automation that enables a private cloud with connectors to the public cloud if needed.

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Publish date: 08/19/14