Patent ID: 6782428
Filing Date: 2004-08-24
Classification: H04L,H04Q

Abstract:
A method of controlling the allocation of priority for data packets within a multi-port switch, comprising:(a) receiving at the switch from a source a first packet which includes a header containing network address data and higher level data including a notional source port number and a notional destination port number; (b) setting a first transit priority for said first packet through said switch; (c) detecting said notional destination port number and in response thereto storing said notional source port number; (d) forwarding said first packet to said server from said switch; (e) receiving from said server a second packet including address data identifying said source and higher level data including a respective notional destination port number; (f) detecting a match between said respective notional destination port number and said notional source port number; and (g) setting the priority for passage through said switch for said second packet to a second transit priority higher than said first transit priority.