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System of Systems (SoS)
System of Systems (SoS) is the viewing of multiple, dispersed, independent systems in context as part of a larger, more complex Computer System or just System. A System is a group of interacting, interrelated, and interdependent components that form a complex and unified whole.
The goal of an SoS architecture is to get maximum value out of a large System by an understanding of how each of the smaller Systems works, interfaces, and usage. Such designs require “Big Systems” thinking – a holistic approach to analysis that focuses on the way constituent parts interoperate, work over a time period, and function within the context of a larger, evolving system.
In the data center, independent constituent parts of a large system are connected through SoS-defined software interfaces called Middleware. Such programs ensure that constituents do not compete for subtasks within the larger system and provide messaging services so that constituent systems can communicate.
Source: https://www.techtarget.com/searchapparchitecture/definition/system-of-systems-SoS
