2.1 Transport
This protocol SHOULD use the following RPC protocol sequence: RPC over TCP/IP (ncacn_ip_tcp), as specified in [MS-RPCE].<2> This protocol MAY use the RPC over SPX (ncacn_spx) protocol sequence if TCP/IP is unavailable.
This protocol SHOULD use RPC dynamic endpoints, as specified in [C706] part 4. This protocol MAY use an RPC static endpoint, as specified in [C706] part 4.
This protocol allows any user to establish a connection to the RPC server. For each connection, the server uses the underlying RPC protocol to retrieve the identity of the invoking client, as specified in the second bullet point of [MS-RPCE] section 3.3.3.4.3. The server SHOULD use this identity to perform method-specific access checks, as specified in section 3.1.4.