Tuesday Feb 28, 2006

Monday - Virtualising the Data Centre

Joost Pronk Van Hoogeveen, Solaris Virtualisation Product Manager presented. He had one rather excellent slide, showing Sun's technologies as a spectrum, from Dynamic System Domains, though a Hypervisor solution, to Containers and then the Resource Manager.

Virtualisation Spectrum

While this misses the aggregation dimension of virtualisation (and I know he understands this), placing these technologies as a spectrum and making the deployment decision accountable to the applications' non functional qualities is very powerfull. It allows better evaluation of technology choice and hopefully deprecates the "I'm only using one virtualisation technology" view and encourages people to use requirements driven design. It may also enable a richer solution design capability to solve the hetrogeneity question; data centre managers need to implement a "Real Time Infrastructure" delivering multiple APIs i.e. windows, J2EE, Oracle, Solaris & Linux etc. If performing architecture on the virtualisation question forces the explicit statement of an applications non-functional qualities, then a service will have been performed.

Joost kindly sent me this reference, which is a Sun Inner Circle article called "The Many Faces of Viurtualization", from which I have taken the picture. (I've put the link up; I think it'll be an interesting read).

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Monday's Data Centre Bites

Sun gets a two year beta with its Express programme, customers get early access to allow rapid adoption of our innovation.

Solaris 10 offers 30-40% perfromance improvement over previous versions.

A key inhibitor to consolidation using containers is that "downtime" is accountable to seperate business units, who will/can not agree or compromise. Certainly, downtime (or availablity) is a service's non-functional quality. These ownerships are sometime expressed through legal ownership.

Cool Tools at OpenSPARC is advertising (as coming soon) a new gcc compiler backend for SPARC. This promises superior compilation and performance for opensource (or other Linux optimised) programs.

These bites were taken from yesterday.

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