Oversubscription of guaranteed bandwidth
US7756037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2006 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | Oct 25, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L47/6225
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for communication includes allocating target bandwidths to two or more packet sources and defining one or more of the packet sources as preferred sources. Quantum values defining maximum amounts of data to be sent during a single scheduling round are defined for the respective packet sources. Repetitive scheduling rounds are performed in order to determine a schedule for processing pending data packets produced by the packet sources. In each scheduling round, all pending packets that are produced by the preferred sources and are within the target bandwidths allocated to the preferred sources are scheduled. Pending packets produced by packet sources other than the preferred sources are scheduled in accordance with the quantum values, within the target bandwidths allocated to the packet sources other than the preferred sources. The pending packets are processed responsively to the schedule. The target bandwidths may comprise, for example, guaranteed bandwidths or excess bandwidths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.