Let’s have short preview of where IT infrastructure exists within enterprises today and how they are being managed.
It all started with the entire setup available within owned closed rooms and being called as available in premise. Most of the enterprises still consider this as the best option as they have a complete control and ownership of what they have invested in. While the smarter ones started thinking of the issues around management and operations, outsourcing evolved within the infrastructure. Initially the focus was around supplementing their own staffs from external outsourcing providers, the model evolved with ownership of staff to even Infrastructure assets being made available within the enterprises by the outsourcing providers.
A more efficient model evolved when enterprises were not able to bear the worries around the cost of owning the land, building and availability of reliable power and network. Colocated facilities helped enterprises to overcome these while benefiting from efficiencies and scale which some of the collocation providers could offer. Most of the large infrastructure outsourcing providers offers the collocation facility where even the management and operations being offered on shared services model to bring in efficiencies of scale.
Hosting was one of the Big leaps for the enterprises to completely offload their IT infrastructure asset ownership and management to other providers in this space. It even matured over the years offering different variants (Single tenant, multi tenancy) to enterprises to choose from based on the security and integration requirements and business criticality. Service levels were defined and tied to penalties to ensure availability of this infrastructure and any further sizing to address the growth of enterprises were managed efficiently by the provider.
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