Virualisation And Cloud Computing

There are different types of virtualization

Examples

4AIX LPARs virtualize hardware resources4


VMware virtualizes operating systemsIn the above cases


workload is managed statically



WebSphere Virtual Enterprise (WVE)4



Virtualizes application serversWorkload is managed dynamically




●WVE is an add-on to extend the capabilities of application servers


●Not limited to IBM WebSphere products


●Features split into two primary categories:

Dynamic workload management 


Resources will automatically adjust during runtime to meet performance goals of predefined Service Level Agreements (SLAs)


Dynamic clustersHealth monitoring, alerts and responses

Extended administration

Built-in monitoring tools in admin consoleApplication version rollout without downtime


Repository checkpoint saves WAS configuration deltasStatistic logging and chargebackPatch management – 


Now included with WAS 7.0 as well