Workload mobility can spur contestability of IaaS cloud services

Today, enterprises can have an infrastructure as a service (IaaS) cloud on premises, off premises or both—the combination is known as a hybrid cloud environment. There are many choices for off-premises IaaS cloud choices, such as IBM SoftLayer, Rackspace, Amazon Web Services Elastic Cloud 2 and Google Compute Engine. An organization’s information technology (IT) department […]

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A summary of cloud brokerage requirements to support service contestability

This is the final post of a five-part series on cloud brokerage. In previous posts, I’ve explained application and management stacks, looked at ways to migrate from one stack to another, and specified some challenges that may occur during migration. In this post I’ll provide a concise summary to wrap up the series. Final thoughts […]

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Migrating from one application or management stack to another

According to Gartner, one role of an IT department is to be a cloud services broker (CSB) for sourcing external services. However, I personally believe that a full-fledged CSB also requires dynamicity in decision making, experience managing IT for others, technology to aggregate IT capabilities from the market and various other considerations that go beyond […]

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The challenges of migrating application and management stacks

This is the third in my series of posts on cloud brokerage. In my last post, I talked about application and management stacks. Here I’ll be discussing management stacks and the challenges associated with creating a management stack due to the various service options available today. Challenges for a cloud consumer deciding where to place […]

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Cloud brokerage: Requirements to support service contestability—application stacks

This is the second part of my series on cloud brokerage, and in this post I’ll discuss a variety of application stacks on which consumers can run their workloads. In my initial post, I introduced what I mean by a workload or application stack and a management stack. In subsequent posts, I’ll discuss challenges associated […]

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Cloud brokerage: Requirements to support service contestability

During a recent client engagement, a banking client put forth a requirement that, as they reorganize their IT environment by setting up a hybrid cloud, the new model should allow for contestability of public cloud services. They desired the ability to switch to those services which are superior (or “best of breed”) from a functional […]

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