Multiplex communications – Wide area network – Packet switching
Patent
1993-04-09
1994-12-13
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 13, H04L 1250
Patent
active
053735048
ABSTRACT:
An apparatus for setting a communication path in ATM communication, comprises: communication path control unit for indicating a communication path test before starting communication; test cell assembling unit for assembling test cells that consist of a series of cells each of which has a sequential number for detecting test cell discard and has the higher cell discard priority (CLP=1); communication path setting unit for setting up the communication path and replacing transmit idle cells with the test cells; and cell-discard detecting unit for comparing the sequential number contained in received test cells with the number of the received test cells and thereby outputting a communication path setting enable or disable control signal.
REFERENCES:
patent: 5187708 (1993-02-01), Nakatani et al.
patent: 5231633 (1993-07-01), Hluchyj et al.
Eda Susumu
Hatta Hiroyuki
Hyodo Ryuji
Norizuki Reiko
Oomuro Katsumi
Fujitsu Limited
Olms Douglas W.
Ton Dang
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