Patent · US Active

Systems and methods for providing redundancy in communications networks

US7808893B1 · kind B1 · utility

2Cited by

4References

26Claims

0Family size

Assignee

Juniper Networks, Inc. · US

Inventors

Changming Liu · Zhejiang, CN
Xiaosong Yang · Austin, US
Lin Chen · Shanghai, CN

Key dates

Filing date	Jan 19, 2005
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Feb 20, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH04L45/28
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

A system includes a first network device and a second network device. The first network device includes a group of first logical portions and is configured to detect a problem with one of the first logical portions, and transmit a message identifying the one first logical portion. The second network device includes a group of second logical portions, where the group of second logical portions corresponds to the group of first logical portions. The second network device is configured to receive the message from the first network device, and activate the one second logical portion corresponding to the one first logical portion in response to receiving the message.

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