Patent ID: 7701949
Filing Date: 2010-04-20
Classification: H04L

Abstract:
1. A method comprising: A line card transmitting a first data stream to a switch fabric, said first data stream having a first priority; at any time during said transmission, interrupting said transmission of said first data stream; transmitting a first switch code; transmitting a second data stream to said switch fabric, said second data stream having a second priority; transmitting a second switch code; and resuming transmission of said first data stream, wherein the first switch code comprises at least one of an indication that the data following the first switch code has a different priority than the data preceding the first switch code and that the data preceding the first switch code is the last data of a frame, and the second switch code comprises at least one of an indication that the data following the second switch code has a different priority than the data preceding the second switch code and that the data preceding the second switch code is the last data of a frame.