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policy decision point (PDP)

Abbreviation(s) and Synonym(s):

PDP

Definition(s):

  A system entity that makes authorization decisions for itself or for other system entities that request such decisions.
Source(s):
CNSSI 4009-2015 (NISTIR 7657)

  Mechanism that examines requests to access resources, and compares them to the policy that applies to all requests for accessing that resource to determine whether specific access should be granted to the particular requester who issued the request under consideration.
Source(s):
NIST SP 800-95 under Policy Decision Point (PDP) (OASIS XACML 2.0 Specification)