The underlying principles go back to, among others, Mainframe and LDAP technologies[citation needed]; SOI provides a framework or mindset for making business benefits measurable.
Consistent with the objectives for SOA, SOI facilitates the reuse and dynamic allocation of necessary infrastructure resources.
A SOI exposes a set of fundamental services such as mobility or security which form a part of the network environment that can deliver resource sharing, application integration, and communications and collaboration: ubiquitously, scalably, reliably, sustainably, maintainably and cost-effectively.
As of 2009[update], available IT infrastructure technologies provide a full stack of options to deliver an end-to-end service-oriented service.
This applies to servers, storage, networks, directory services, databases: in fact to every component of the IT infrastructure.