H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01) H04L 12/56 (2006.01)
Patent
CA 2011962
In each of packet switching nodes making up a packet switching netowrk, 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.
Kabushiki Kaisha Toshiba
Kudoh Norimasa
Marks & Clerk
LandOfFree
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