Packet communication method, packet communication device and pac

Details Packet communication method, packet communication device and pac Packet communication method, packet communication device and pac

1990-08-17

1992-10-27

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 941, H04Q 1104

Patent

active

051595915

ABSTRACT:
In a packet communication method, a packet communication device, an input transmission frame of V (bytes/sec) consisting of a transmission overhead of V.sub.OH (bytes/sec) containing control information for transmission and a pay load of V.sub.p (bytes/sec) of c (=a+b) bytes, the outer cell consisting of an information field of a b-byte length containing transmission data and a header field of an a-byte length containing a first control information for transmitting the information field. The transmission overhead is removed from and a second control information is added to the input transmission frame. The input transmission frame with the second control information and without the transmission overhead is converted to a plurality of inner cell trains of f (=b+j) bytes length, the inner cell trains consisting of an information field of a b-byte containing the transmission data and a second header field of j (=a+d) bytes consisting of the first control information and the second control information (where f.times.g=h.times.V, h is an integer or a fraction of an integer). Packets switching are performed on each inner cell. A plurality of inner cells are converted to an output transmission frame of V (bytes/sec) having the same format as the input transmission frame for transmission.

REFERENCES:
patent: 4670871 (1987-06-01), Vaidya
patent: 4771419 (1988-09-01), Graves et al.
patent: 4782478 (1988-11-01), Day, Jr. et al.
patent: 4956839 (1990-09-01), Torii et al.
patent: 4965788 (1990-10-01), Newman

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