### A Directory Session

A directory session identifies the DSA to which a directory operation is sent. It also defines the characteristics of a session, such as the distinguished name of the requester.

An application program can request a session with specific OM attributes tailored for the program's requirements. The application passes an instance of OM class DC_C_SESSION with the appropriate OM attributes, or it uses the default parameters by passing the constant DS_DEFAULT_SESSION as a parameter to the ds_bind( ) function call.

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