Microsoft and Unisys have partnered to deploy Unisys’ information technology management service via Microsoft’s cloud-based platform for clients and employees.Unisys’ ITSMaaS offering will run on the Windows Azure platform and is intended to integrate with the Microsoft System Center 2012 for device and application management through Information Technology Infrastructure Library practices, Unisys said Tuesday.
Karri Alexion-Tiernan, Microsoft director for Windows Azure marketing, said the Windows Azure platform works to help customers deploy and manage cloud infrastructure, applications and services.
The ITSMaaS service is designed to unify end user and datacenter events in a centralized portal for clients to navigate and schedule their organization’s services.ITSMaaS also contains lifecycle services for customer assistance in IT asset and trouble management and works with Unisys MyWork ServicesSM for organizations to determine the characteristics of certain user groups.
In the most basic cloud-service model, providers of IaaS offer computers – physical or (more often) virtual machines – and other resources. (A hypervisor, such as Xen or KVM, runs the virtual machines as guests. Pools of hypervisors within the cloud operational support-system can support large numbers of virtual machines and the ability to scale services up and down according to customers' varying requirements.) IaaS clouds often offer additional resources such as a virtual-machine disk image library, raw (block) and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks (VLANs), and software bundles.[58] IaaS-cloud providers supply these resources on-demand from their large pools installed in data centers. For wide-area connectivity, customers can use either the Internet or carrier clouds (dedicated virtual private networks).
To deploy their applications, cloud users install operating-system images and their application software on the cloud infrastructure. In this model, the cloud user patches and maintains the operating systems and the application software. Cloud providers typically bill IaaS services on a utility computing basis[citation needed]: cost reflects the amount of resources allocated and consumed.Cloud communications and cloud telephony, rather than replacing local computing infrastructure, replace local telecommunications infrastructure with Voice over IP and other off-site Internet services.
Platform as a service (PaaS)
In the PaaS model, cloud providers deliver a computing platform, typically including operating system, programming language execution environment, database, and web server. Application developers can develop and run their software solutions on a cloud platform without the cost and complexity of buying and managing the underlying hardware and software layers. With some PaaS offers, the underlying computer and storage resources scale automatically to match application demand so that the cloud user does not have to allocate resources manually. The latter has also been proposed by an architecture aiming to facilitate real-time in cloud environments.
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