| 摘要 |
A communication switch for a data communications network comprises: a buffer (340); a plurality of ports (300-307) for receiving a datagram from the network, the datagram containing control information; switching logic (320) for selectively interconnecting the ports (300-307); a management processor (330) for processing the control information to control the switching logic (320); a handshake flag accessible by the processor (330); and control logic (350) for storing the datagram in the buffer (340) at an address accessible by the processor (330) and for setting the handshake flag in response to the datagram being stored at the address. The processor (330) accesses the control information stored in the datagram in response to the handshake flag being set, processes the control information, and resets the handshake flag in response to the processing of the control information. The control logic (350) discards the datagram from the address in response to the handshake flag being reset.
|
