Multi-protocol packet switching network

Details Multi-protocol packet switching network Multi-protocol packet switching network

1994-01-05

1995-06-13

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 8513, 370 941, 370 943, 3701101, H04J 324, H04L 1256

Patent

active

054250269

ABSTRACT:
In a packet switched network, each network node has line and trunk ports to which LAN user terminals and links are connected and which are identified by a port address containing a node number plus a port number. Each of the user terminals transmits a first signaling packet when establishing a connection before sending information-bearing packets, containing in it a source network address which includes a protocol identifier and a source user address, and a destination network address which includes the same protocol identifier and a destination user address. Each network node includes a memory for establishing correspondences between the network addresses of remote user terminals, the port addresses of the remote user terminals, and the port numbers of the ports of the network node through which local user terminals are accessible to the remote user terminals. The network node responds to a second signaling packet received from a user by detecting in the memory a corresponding port address and a corresponding port number and appending the detected port address to the second signaling packet and transmitting it to one of the ports of the node according to the detected port number.

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