US 7,321,591 B2
Methods and systems for providing differentiated quality of service in a communications system
Wayne T. Daniel, Garland, Tex. (US); Keith P. Knauber, Irving, Tex. (US); and Robert D. Kehn, The Colony, Tex. (US)
Assigned to Efficient Networks, Inc., Dallas, Tex. (US)
Filed on Sep. 24, 2002, as Appl. No. 10/253,965.
Prior Publication US 2004/0057437 A1, Mar. 25, 2004
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 12/28 (2006.01)
U.S. Cl. 370—395.21  [370/395.2; 370/392] 20 Claims
OG exemplary drawing
 
1. A method of transmitting a packet of data from an application in a data processing system to a destination address via a selected one of a plurality of Permanent Virtual Circuits (PVCs) that is selected by a multiple Virtual Circuit (multi-VC) bridge based on a value of Quality of Service (QoS) bits in said packet, comprising the steps of:
receiving, by said multi-VC bridge, said packet;
inspecting, by said multi-VC bridge, said packet to determine said value of said QoS bits;
selecting, by said multi-VC bridge, said selected one of said plurality of PVCs by mapping said value of said QoS bits to a corresponding PVC; and
transmitting, by said multi-VC bridge, said packet to said destination address via said selected one of said plurality of PVCs.