session layer


session layer

(networking)The third highest protocol layer (layer 5) in the OSIseven layer model. The session layer uses the transport layer to establish a connection between processes ondifferent hosts. It handles security and creation of thesession. It is used by the presentation layer.

Documents: ITU Rec. X.225 (ISO 8327), ITU Rec. X.215 (ISO8326).

session layer

The services in the OSI protocol stack (layer 5 of 7) that initiate and manage the communications session. See OSI model.