Infrastructure as a Service (IaaS) is getting popular. Small and medium enterprises that could not afford the vast computing power of the large enterprise, suddenly find themselves enriched. They can afford to hire computing infrastructure. However, complexities emerge as they actually sit down to use the infrastructure that they so eagerly signed up for!
What are these complexities?
Infrastructure must meet operational and performance requirements. The solution must be tailored to the specific business requirements. The implication is that the private enterprise IaaS structure will be different from the IaaS requirements of a public enterprise. IaaS architectures for customer facing services will be different from IaaS architectures used for enterprise facing services. A public, private or hybrid cloud model may be used in developing and deploying the services.
IaaS creates a pool of resources that are built out of commodity hardware at the organization level and in the Cloud. The different components that tie-in into and create the architecture will have to be orchestrated, integrated, married so that they work together efficiently and effectively. The resource pool may include virtualized and abstracted storage with dynamic requirements of the Cloud. Virtualization will demand the movement of virtual machines between servers or dictate the terms and conditions under which snapshotting multi-terabyte drives can be achieved. Users will have to understand the security norms and how the high level architecture impact security, keeping in view the fact that the architecture of the Cloud—public or private Cloud—will define the level of security implemented; the type of encryption protocols used, and so on.
Use of IaaS is closely linked with the future of the organization. IaaS maybe the foundation upon which, Software as a Service (SaaS) and Platform as a Service (PaaS) are built. Organizations will have to make the effort to understand and appreciate what IaaS involves and work towards developing and maintaining a powerful, integrated system in the Cloud that is entirely in Synchronization with their business needs. It should be remembered that any operational risk that exists above the layers will have to be taken by the end consumer. While IaaS represents an evolution in industry and raises the IT capability and maturity level of the organization, the full benefits of IaaS can be realized only when users focus on business objectives and use the IaaS for becoming more agile and enjoying economies of scale.
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