Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jon Anderson0
James S. Manchester0
Subrahmanyam Dravida0
Murali Krishnaswamy0
Bharat Tarachand Doshi0
Enrique Hernandez-Valencia0
Date of Patent
September 29, 2009
0Patent Application Number
104170130
Date Filed
April 16, 2003
0Patent Primary Examiner
Patent abstract
A simplified data link protocol which may be implemented in a very high-speed transmission system, e.g., SONET, processes a datagram received from an IP facility according to QoS considerations and scrambles a datagram before it is again scrambled by a transmission system, e.g., a SONET transmitter, to ensure that the pattern of a user's data does not match the transmission scrambling pattern. The data link protocol scrambler also employs a novel synchronization scheme. We also use a pointer system which identifies the location of a datagram in a frame to eliminate flags and the need to process user data to ensure that it does not contain and a boundary flag.
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