Patent · US Active

Hitless maintenance of a L3 network

US10931568B2 · kind B2 · utility

0Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2018
Grant dateFeb 23, 2021
Priority date
Expiry dateSep 12, 2038

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L45/04
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method for use in exiting a portion of a node from an Internet Protocol, Layer 3 network includes: preparing the network for the portion to exit prior to the exit, including: notifying a set of peer nodes of the portion's exit; and rerouting traffic in the network away from the portion to the set of peer nodes; exiting the portion from the network once the traffic is rerouted; and reintroducing the exited portion to the network, including: notifying the peer nodes of the portion's reintroduction; and rerouting at least some of the traffic through the re-introduced portion.

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