Patent · US Expired

Approximate state control mechanism

US6822965B1 · kind B1 · utility

1Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 2001
Grant dateNov 23, 2004
Priority date
Expiry dateJun 20, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2012/5682
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A data packet switching system having a central controller and a number of peripheral controllers each incorporating at least one queue for storing packets of information received from a peripheral data packet source. Each queue in each peripheral controller includes a queue size detection logic adapted to communicate to the central controller the approximate state of the size of the corresponding queue. The scale for the approximate state being arranged to be empty, nearly empty, active, busy, very busy, nearly full and full.

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