| Information Technology as-a-Service (ITaaS) is an | | | | benefits of ITaaS architecture. One of the enterprise |
| architectural strategy companies have started to | | | | architecture designs that deliver the foundation for |
| adopt as a way to align IT resources to better meet | | | | ITaaS is Private Cloud. The infrastructure provided by |
| business needs. A full ITaaS architecture provides a | | | | cloud provided the framework for building ITaaS |
| customer centric on-demand approach to supplying IT | | | | target-state architectures. Benefits of a private cloud |
| services. The attributes of an effective ITaaS | | | | include; web based user centric interfaces, designed |
| architecture include simplicity, pay-for-use, agility, | | | | for the Non-IT users, support for multiple organizations, |
| user-centric, efficient, elastic, responsive and control. | | | | application isolation and ability to migrate workloads. |
| ITaaS design is to solve the challenges with | | | | Private Cloud allows for control of user resource |
| current-state architectural approach to providing IT | | | | usage through roles/rights, quotas, leases and allows |
| resources in a business friendly way. | | | | for data collection for billing on resource allocation. |
| Current-state architecture challenges include; | | | | Private Cloud provides the ability to scale to meet the |
| infrastructure is added on an ad-hoc basis, IT assets | | | | business requirements without impacting system users. |
| are tied to project expenses, applications are tightly | | | | End users have a certain amount of autonomy over |
| coupled with their hardware and over 70% of the | | | | their resources and are not dependent on an |
| budget goes to maintaining the status quo. A company | | | | administrator. |
| with the current-state architecture will not be able to | | | | Getting from current-state architecture to target-state |
| meet the ITaaS objectives and not realize the benefits | | | | ITaaS requires transformational initiatives. Customers |
| of simplicity, pay-for-use, agility, user-centric, efficient, | | | | have asked for a prescriptive road map to get to the |
| elastic, responsive and control. Current-state IT | | | | end goal of ITaaS. VMware, a leader in private cloud |
| architecture is not agile enough to provide IT resources | | | | and virtualization, created the domain model approach |
| as a service. | | | | to help customers with their prescriptive roadmap with |
| Companies that define ITaaS as the target-state | | | | a near term objective of cloud and future goal of |
| objective are looking for a roadmap to realize the | | | | ITaaS. |