Packet framer
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United States of America Patent
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Jun 4, 1996
Issued Date -
N/A
app pub date -
Jun 30, 1995
filing date -
Feb 14, 1992
priority date (Note) -
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Abstract
A frame layer communications system for packet-switched virtual circuits that provides error detection when the link layer both corrupts and discards cells. An illustrative embodiment of the invention provides two error detection mechanisms: the first for the user-data and the second for certain control information. When the frame is segmented into cells, the control information and information relating to the second error detection mechanism are segmented into a single cell.
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