Patent · US Expired

Method and apparatus for discarding data packets

US6647424B1 · kind B1 · utility

100Cited by
8References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1999
Grant dateNov 11, 2003
Priority date
Expiry dateMay 19, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L49/90
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method, apparatus and article of manufacture for filtering a data packet. The data packet is classified a filter type according to a classification criteria. A size value of the data packet is added to a data count for the filter type. The filter type is compared to a committed information rate (CIR). The data packet is filtered if the data count exceeds the CIR or a burst rate. A status the data packet may optionally be altered if the data count exceeds the CIR. A priority of the data packet may optionally be reclassified if the data count exceeds the CIR.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.