Cloud Computing

Cloud Computing focuses upon how to construct, secure, manage, monitor and use public IaaS, PaaS, and SaaS clouds. Major areas of focus include barriers to cloud adoption, progress on the part of cloud vendors in removing those barriers, where the line of responsibility is drawn between the cloud vendor and the customer for each of IaaS, PaaS and SaaS clouds,|as well as the management tools that are essential to deploy in the cloud, ensure security in the cloud and ensure the performance of applications running in the cloud. Covered vendors include Amazon, VMware, AFORE, CloudSidekick, CloudPhysics, ElasticBox, Hotlink, New Relic, Prelert, Puppet Labs and Virtustream.

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Clouds on the Horizon?

January 14, 2014
By
Clouds on the Horizon?

Over the holidays, I found myself facing a situation that is a microcosm of one that will confront many IT departments in the coming year. I was trying to decide whether to continue hosting my home lab on my own physical machines or to take the plunge and move to one of the big cloud-based…

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Designing for Elasticity

January 10, 2014
By
agilecloud

One of the great advantages of the public cloud is its elasticity, the ability it gives systems to provision and deprovision resources as workloads increase and decrease. Much has been written about how building RESTful services is crucial to deploying elastic services in the cloud. I concur that writing code loosely coupled with the underlying…

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Citrix Solved the vGPU Problem, So…Where Is the Parade?

January 9, 2014
By
DesktopVirtualization

In March 2013, Citrix announced they had GPU sharing working and available for XenApp (multi-user/RDS). In December 2013, they announced it was available for XenDesktop (multi-OS/VDI). This has been a major barrier to adoption for many companies that need the ability to deliver a high-end multimedia experience to their end users in order to gain…

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Something Is Wrong: It Must Be the Hypervisor!

January 8, 2014
By
VirtualizationSecurity

Something is wrong—it must be the hypervisor! If you work in any virtual or cloud environments, how many times have you heard that statement as soon as any kind of problem surfaces? Way back when during the twentieth century, as a problem deflection, the network would immediately be blamed. As we got into the twenty-first century, virtualization…

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OpenShift, Why Won’t You Do What I Want?

January 3, 2014
By
Agile Cloud Development

I recently spent a fruitless afternoon on the public PaaS version of Cloud Foundry. In this post, I document an equally fruitless afternoon spent on Red Hat’s OpenShift. It think it is fair to say that OpenShift has some advantages over Cloud Foundry for public PaaS. OpenShift feels more comfortable, its integration of a build…

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4 Reasons The Calxeda Shutdown Isn’t Surprising

December 27, 2013
By
DataCenterVirtualization

The board of Calxeda, the company trying to bring low-power ARM CPUs to the server market, has voted to cease operations in the wake of a failed round of financing. This is completely unsurprising to me, for a few different reasons. Virtualization is more suited to the needs of IT Calxeda’s view of the world…

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Expand Your Thinking When Architecting in the Cloud

December 26, 2013
By
agilecloud

I have been building solutions on AWS since 2008, and even though that sounds like a long time, I have still only scratched the surface of what is possible in the cloud. Every few weeks I get another “Aha” moment when I see problems solved with cloud architectures that would be either too hard, not…

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Cloud Foundry and OpenShift Comparison

December 23, 2013
By
agilecloud

I plan to spend an afternoon getting an ISV application to run on the public PaaS version of OpenShift—to allow direct comparison with a fruitless afternoon spent on the public PaaS version of Cloud Foundry. In this post, I explain the radical difference in approaches I am taking in the two environments to deal with…

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Red Hat OpenShift Enterprise 2.0

December 19, 2013
By
agilecloud

Red Hat has released a 2.0 version of OpenShift, its on-premises (private) PaaS. OpenShift seems to build on real customer experience to address a range of issues that come up in real deployments, providing an out-of-the-box solution that is likely to appeal to enterprises seeking to offer a consistent development/deployment option to reduce complexity and…

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