Local and Metropolitan Area Networks: Interoperable LAN/MAN Security (SILS) Currently Contains Secure Data Exchange (SDE) (Clause 2)

A security protocol that can be used to protect IEEE 802 Local Area Networks (LANs) and Metropolitan Area Networks (MANs) is described. This Open Systems Interconnection (OSI) Layer 2 security protocol can be used to provide the security services of confidentiality and connectionless integrity. In conjunction with key management or system management, the security services of data origin authentication and access control may also be provided.