PAYLOAD MAPPING IN SYNCHRONOUS NETWORKS
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United States of America Patent
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app pub date -
Mar 21, 2008
filing date -
Aug 27, 1998
priority date (Note) -
Abandoned
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Abstract
There is disclosed a method of carrying frame based data, eg Ethernet data, over a synchronous digital hierarchy network in order to provide local area network type functionality over a wide area network coverage. Specific embodiments disclose methods of mapping Ethernet data frames into SDH virtual containers, and distinguishing start and end boundaries of the Ethernet data frames within the virtual container payloads, by a selection of encoding methods including a segmentation, pointer methods, bit stuffing methods and byte stuffing methods. Data frames are encoded with a code which designates a boundary of each frame, and the encoded frames are input into a synchronous data channel.
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