H - Electricity – 04 – L
Patent
H - Electricity
04
L
344/28
H04L 12/54 (2006.01) H04L 12/56 (2006.01)
Patent
CA 1328916
ABSTRACT OF THE DISCLOSURE One technique of a congestion control method for packet switching apparatuses, in which a plurality of sorts of priority data indicative of different demands, such as a first priority data (P) indicative of immediateness priority and a second priority data (D) indicative of necessity priority, are previously combinedly attached to each packet (PK). In congestion of a packet queue (1012), such control is carried out that such a packet as having the high first immediateness priority is rearranged as located in the front part of the queue while such a packet as having the high first immediateness priority but having the low second necessity priority is first discarded according to the first and second priority data of the packets, whereby major demands for the each packet are concurrently satisfied. For example, a packet of data transferred between telephone set terminals (51 to 5N) has a strong immediateness demand but has a relatively weak necessity demand, whereas, a packet of data transferred between data terminals (41 to 4N) has a relatively weak immediateness demand but has a strong necessity demand.
592206
Kabushiki Kaisha Toshiba
Marks & Clerk
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