Multiplex communications – Wide area network – Packet switching
Patent
1994-04-14
1994-12-20
Chin, Wellington
Multiplex communications
Wide area network
Packet switching
3701101, H04J 326, H04L 1256
Patent
active
053751213
ABSTRACT:
In an ATM cell assembling and disassembling method for a communications network having first and second communications nodes, HDLC data is transferred from a first terminal to the first communications node via a first transmission line, the HDLC data conforming to an HDLC format. It starts to assemble, in the first communications node, at least one cell from the HDLC data when data which is contained in the HDLC data and equal to one cell has been received. Then the above at least one cell of ATM data is transferred from the first communications node to the second communications node. Disassembly is started, in the second communications node, of the above at least one cell of ATM data to thereby generate original HDLC data when a fluctuation compensation time has elapsed after a first cell of ATM data among the above-mentioned at least one cell of ATM data is received by the second communications node. The fluctuation compensation time is based on a maximum fluctuation time of a route connecting the first and second communications nodes to each other as well as a bit rate of the first transmission line. Finally, the original HDLC data is transferred to a second terminal from the second communications node via a second transmission line.
REFERENCES:
patent: 5056088 (1991-10-01), Rice et al.
patent: 5097466 (1992-03-01), Kammerl
patent: 5214642 (1993-05-01), Kunimoto et al.
Eda Susumu
Hatta Hiroyuki
Hyodo Ryuji
Nishino Tetsuo
Norizuki Reiko
Chin Wellington
Fujitsu Limited
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