Patent · US Active

Methods and devices in an IP network for congestion control

US9654399B2 · kind B2 · utility

2Cited by
0References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 28, 2011
Grant dateMay 16, 2017
Priority date
Expiry dateDec 28, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L69/163
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The invention relates to a method 30 in a packet forwarding device 2 in an Internet Protocol, IP, network 10 for congestion control. The method 30 comprises: receiving 31 an IP packet 20 originating from a first network node 11 and addressed to a second network node 3; determining 32 a congestion status on a network path from the second network node 13 to the first network node 11; and entering 33, for a congestion status indicating congestion, congestion information into a header 21, 22 of the IP packet 20, the congestion status congestion information notifying the second network node 13 about congestion present on the network path. The invention also relates to a packet forwarding device 12, a computer program 43 and computer program product 44.

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