Chapter 17. Service Federation
A federation is a grouping of things in which each of the things retains a degree of autonomy. Historically the term arose in a political context to describe how regional political units (e.g., states or provinces) band together to form a nation while still retaining a level of regional autonomy.
The concept of federation applies equally well to the creation and management of services. It is not unusual for different organizations to independently develop services. At the same time, the need can arise for these organizations to share access to at least some of these services. These mutually shared services are said to be federated. Federation allows the different groups to work independently, yet share ...