I originally posted this over on the SLA@SOI blog. (PS: apologies for the strange capitalisation, it in fact should be emboldened – seems to be a “feature” of my current theme) The Open Virtualisation Format (OVF; DSP0243) is a schema for describing a virtual machine or a collection of virtual machines. The initiative is the [...]
Sam Johnston posted a nice useful layered model of current cloud computing. Simon Wardley on the OCCI mailing list noted a brief history of the terms used back in 2007 so I thought I’d compare the two below. Everything that is old is new…
I’m reposting this article I authored (edited by John) for the SLA@SOI website. SLA@SOI is dedicated towards building an SLA-aware service oriented infrastructure. A key component of this will be the layer managing the infrastructure, and we are envisioning that this must be able to handle internet-scale deployments. Management of an environment with hundreds of [...]
From reading “Guerilla Capacity Planning” by Neil Gunther, it is proposed to segregate infrastructure requirements of an application based on certain criteria that the application needs. These applications needs can are covered by the term “workload” and are based around requirements of two parameters; coherency, α, and contention, β. These characteristics are mapped to his [...]