federated

/ˈfɛdəˌreɪtɪd/
adjective
  1. Describing a group of states, organizations, or groups that have joined together under a central government or authority while keeping some independence.
    • The federated system allows regions to manage their own education while following national standards.
    • Our company is part of a federated network of independent bookstores.
    • The federated states each have their own local laws but share a common defense policy.
  2. Relating to a computer system where multiple separate servers or databases work together as one, often sharing data or user accounts.
    • Many social media platforms are moving toward a federated model where users on different servers can still connect.
    • The university uses a federated login system so students can access multiple websites with one password.
    • In a federated database, each department keeps its own data but can query the whole system.
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