“Immutable Infrastructure” is a term that has been increasingly talked about lately among the Ops community. InfoQ reached out to experienced ops engineers to ask them what is the definition and borders of immutable infrastructure as well as its benefits and drawbacks, in particular when compared to current widespread “desired state” configuration management solutions.
Monty Taylor and James Blair talk about the build and test challenges they face at OpenStack, and how they managed to tackle them. Managing hundreds of VMs on public clouds, integrating up to 400 commits a day and running thousands of test jobs on them are some of the challenges described.
Docker is an open source tool to run applications inside of a Linux container, a kind of light-weight virtual machine. 2
Ian Hughes about mixing the physical world and the virtual world: How virtual technology helps people to meet, communicate and collaborate, and how games help us to develop and learn new skills. 1
This article presents a transition path to Platform-as-a-Service for IT. An exploration of the steps from pre-virtualization or virtualization through selecting and operating a PaaS. 1
InfoQ examines how Azul's collector works, and explores some techniques you can use to test the impact of garbage collection in your applications.
William El Kaim describes an Open Cloud Model driven by an independent user community to define it further. He also defines the SHINE principles for transforming IT into BT (Business Technology). 3
This article discusses the combination of three ideas, virtualization, service-orientation, and grid computing into a single concept and computing platform concept.
The confluence of three technologies, (virtualization, service orientation, and grid computing), is explored to create a foundation for re-examining both technical and business system design issues. 2
Virtualization is more than just server consolidation. Advanced virtualization eases management, enhances flexibility, raises network throughput, and improves redundancy and uptime. 4
Cloud services have helped bring virtualization to the forefront. Its full power however, also includes other benefits such as high availability, disaster recovery, and rapid provisioning. 1