Avoiding unfair advantage in weighted round robin (WRR) scheduling
US8363668B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2009 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Feb 25, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L47/524
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A network device includes multiple queues to store packets to be scheduled, and a weighted round-robin (WRR) scheduler. The WRR scheduler performs a first WRR scheduling iteration including processing of at least one packet from a particular queue of the multiple queues, identifies the particular queue as an empty queue during the performing of the first WRR scheduling iteration, identifies the particular queue as a non-empty queue after the identifying the particular queue as the empty queue, and performs a second WRR scheduling iteration including processing of only one packet of a group of packets from the particular queue of the multiple queues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.