Method and apparatus for automatic congestion avoidance for differentiated service flows
US7206284B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 27, 2002 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Oct 13, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L47/326
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method and apparatus are provided for implementing automatic congestion avoidance for differentiated service flows in a communications network. A bandwidth control signal representing congestion information is identified. Responsive to the identified bandwidth control signal, dual transmit probabilities are calculated for each flow. The dual transmit probabilities include a first transmit probability for a first color and a first transmit probability for a second color. A marked color for a packet is identified. The marked packet color and the calculated dual transmit probabilities are selectively utilized for making a packet discard determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.