Multiplex communications – Wide area network – Packet switching
Patent
1994-08-29
1997-02-04
Lee, Thomas C.
Multiplex communications
Wide area network
Packet switching
39520004, 3952001, 3952002, 395413, 370397, 370410, 370432, G06F 1300, G06F 1314
Patent
active
056007957
ABSTRACT:
The invention relates to a local network operating in the asynchronous transfer mode (ATM), comprising a plurality of stations which are coupled, via network interfaces comprising a coupling device and a control arrangement, to sending and receiving ring lines and which are provided for transmitting user cells containing user-oriented information and at least control cells containing signalling information. The control arrangement assigned to a transmitter station is provided for generating at least a control cell to be sent to a receiver station after the control arrangement has received from the transmitter station a control cell with a realisable request for a unicast or multicast connection from a user of the transmitter station to a user of at least one receiver station, which control cell has in its information field at least information about the users, the address of the transmitter station and a user-related identification for a down channel. At least one control arrangement assigned to a receiver station is provided for generating a control cell to be transmitted to the transmitter station after a transmitter station-originated control cell containing a realisable connection request from a user of the receiver station has been received, which control cell contains in its information field at least an indication about the address of the assigned receiver station and a user-related identification for the up-channel.
REFERENCES:
patent: 5136584 (1992-08-01), Hedlund
patent: 5164937 (1992-11-01), Tanabe et al.
patent: 5305311 (1994-04-01), Lyles
patent: 5315586 (1994-05-01), Charvillat
patent: 5323389 (1994-06-01), Bitz et al.
patent: 5339318 (1994-08-01), Tanaka et al.
patent: 5365551 (1994-11-01), Snodgrass et al.
patent: 5369649 (1994-11-01), Murayama et al.
"Ohne Chips Nichts Los" Standard Chips Fur ATM-Systeme Sind Im Kommen, Bernd Reder, Elecktronic Jan. 1993 pp. 66-75.
Huang Po C.
Lee Thomas C.
Marion Michael E.
U.S. Philips Corporation
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