Image Number 9 for United States Patent #6111884.
A method for controlling communications between link stations locally attached to a router and served by the same single thread Logical Link Control (LLC) stack. LLC generates a table for identifying all of the locally attached link stations served by the LLC and upon request from a locally attached source link station to establish a session with another destination link station, the LLC examines the table to determine if the destination link station is locally attached and served by it. If the destination link station is locally attached and served by the same LLC, the LLC deletes all standard LLC protocols normally used to inform a partner LLC concerning the state of the communication.
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