Multiplex communications – Wide area network – Packet switching
Reexamination Certificate
2005-12-13
2005-12-13
Vu, Huy D. (Department: 2665)
Multiplex communications
Wide area network
Packet switching
Reexamination Certificate
active
06975657
ABSTRACT:
A data generator and a method for generating large concatenated SONET/SDH frame are provided. The method comprises initiating a set of programmable register values with frame parameters, generating data slices comprising a plurality of STS-1 blocks based on said frame parameters, and collecting the data slices to generate a frame. Whenever a large concatenation mode within said frame parameters assumes an ON state, the data slice generation includes, setting the pointer value to a predetermined fixed pointer value and generating payload bytes of every STS-1 block having a concatenation indication such that the B3 byte of the STS-1 block assumes a predetermined fixed B3 value. The data generator for generating SONET/SDH type data frames. The data generator comprises a plurality of processing strips for generating a plurality of associated data slices having STS-1 blocks. Each strip may operate in a large concatenation mode in which a fixed pointer value and a fixed B3 value in assumed for each STS-1 block within the data slice. A data collection block of the data generator collects generated data slices into a data frame. Among the advantages presented by the method and system of the preferred embodiments of the invention is the ability to generate arbitrary large concatenated payloads, without communication between processing strips of data generators.
REFERENCES:
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patent: 6058119 (2000-05-01), Engbersen et al.
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patent: 2001/0012288 (2001-08-01), Yu
Diaconescu Luca R.
Gagnon Ronald J.
Borden Ladner Gervais LLP
Davis Cynthia L.
Measures Jeffrey M.
Nortel Networks Limited
Vu Huy D.
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