Public, Private or Hybrid: Which cloud is best for your applications?


Over the last several years, private cloud solutions have grown in number, concerns over the public cloud have diminished, and hybrid cloud has gone mainstream. The question facing executives is not whether to use the cloud or how to implement a private cloud, but how to maximise the benefits of the cloud by moving to a hybrid cloud model.

As the market begins to move to hybrid cloud solutions, there are questions that must be answered: Where does each application belong and where do you source new applications—in the public cloud, a private cloud, a hybrid cloud, or the organization’s legacy computing environment? Where can you realize the best performance, cost, and flexibility? How can you design today’s private cloud to be compatible with the hybrid cloud model you’ll likely adopt within the next two years?


IT must provide a more agile set of IT services that deliver self-service and the performance and availability needed by the enterprise. A private cloud, built on a software-defined data center with automation and self-service options is only part of the solution. The reality is that many workloads are well-suited to run at a lower cost in the public cloud. As a result, IT must adopt a hybrid cloud model and broker services as appropriate from public cloud options.

For many organisations providing a faster response and better servicedelivery requires a transformation in how they operate and conduct their business. Enterprises must address fundamental assumptions about how IT is managed, delivered, and consumed. But the most important decision isto optimize application delivery models for hybrid cloud.


As enterprises implement hybrid cloud strategies as their preferred way to deploy IT, workload characteristics should be used to determine where each application should run. That enables IT to provide a seamless user experience for consuming IT services, regardless of the source of those services.

Using our sophisticated automated Adaptivity platform and best practices, EMC® helps businesses evaluate which applications and information are appropriate for cloud and which cloud model is the best fit for each. EMC’s approach involves looking at each asset and its potential migration to the cloud through four lenses: application alignment, application suitability, application placement, and financial impact.


The application alignment phase includes the mapping of applications to specified business processes and activities to help the business understand how IT services the business today. Wecapture their business demand drivers and validate the application functionality for the business activity.


Determining cloud application suitability is an important phase where EMC determines which applications are suited for a cloud delivery model versus legacy IT deployment, and recommends the most appropriate architecture.


The cloud placement analysis determines the best architecture for cloud-suitable applications and recommends the optimal public or private cloud delivery model for specific applications. Here we create a more granular model of application consumption and deployment that enables us to provide a detailed logical architecture for cloud. Next we validate the application’s current and projected infrastructure consumption based on business demand, which helps us forecast cloud capacity requirements and recommend a logical application configuration.

EMC uses the capabilities of its proprietary Adaptivity platform to more quickly and efficiently evaluate both business and technology concerns and place applications in the optimal cloud model. We can complete the evaluation 50 percent faster by adopting this automated approach versus employing traditional, manual techniques. The two key elements of the EMC Adaptivity platform are: the EMC Planning Studio, which evaluates the application suitability for cloud, and the EMC Design Studio, which includes a placement recommendation in the optimal private, public, or hybrid cloud deployment model.

In conclusion, the hybrid cloud combines the best features of public and private clouds and enables better business performance on multiple fronts simultaneously: cost, manageability, information access, new capability deployment, coordination and collaboration, business continuity and security, business innovation, and growth. EMC is at the forefront in deploying well-run hybrid cloud solutions. Our consultants leverage our sophisticated automated platform, best practices gained over thousands of engagements, and an information-centric approach to meeting business and technology challenges.

If you need to make decisions about which applications and information are appropriate for cloud and which cloud model is the best fit for each, EMC can help you complete the evaluation 50 percent faster with our automated approach, leveraging the Adaptivity platform. See a demo here.


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