Connection establishing method in broadcasting packet communicat

Details Connection establishing method in broadcasting packet communicat Connection establishing method in broadcasting packet communicat

1990-03-09

1992-08-11

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

051386135

ABSTRACT:
In each of packet switching nodes making up a packet switching network, when it is desired to transfer a data packet between terminal and line interfaces, an identifier called an access channel number is attached to the data packet; whereas, when it is desired to transfer a data packet through multiplexing lines between line interfaces of adjacent packet switching nodes, an identifier called a transport channel number is attached to the data packet to specify the respective connections. In particular, when a broadcasting packet communication is specified wherein a common packet is to be transferred from a packet terminal to a plurality of destination packet terminals at the same time, the access channel number attached to the broadcasting packet to be transferred between the terminal and line interfaces is uniquely defined in the associated packet switching node; while the transport channel number attached to the broadcasting packet to be transferred through the multiplexing line between the line interfaces is uniquely defined between the adjacent packet switching nodes, so that the broadcasting packet is automatically branched as transferred into a plurality of specified transfer destinations.

REFERENCES:
patent: 4679189 (1987-07-01), Olson et al.
patent: 4704716 (1987-11-01), Bowers et al.
patent: 4852084 (1989-07-01), Verbiert et al.
patent: 4894822 (1990-01-01), Buhrke et al.
patent: 4920529 (1990-04-01), Sasaki et al.

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