The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 14, 2022

Filed:

Nov. 15, 2019
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Pascal Thubert, Roquefort les Pins, FR;

Huimin She, Shanghai, CN;

Patrick Wetterwald, Mouans Sartoux, FR;

Akram Ismail Sheriff, San Jose, CA (US);

Eric Michel Levy-Abegnoli, Valbonne, FR;

Assignee:

CISCO TECHNOLOGY, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); H04L 45/30 (2022.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); H04L 45/30 (2013.01);
Abstract

In one embodiment, a method comprises: identifying, by a root network device of a directed acyclic graph (DAG) in a low power and lossy network, a child network device in the DAG, including identifying a first rank associated with the child network device; allocating, by the root network device, an allocated rank for the child network device, the allocated rank different from the first rank; and outputting, by the root network device, a message to the child network device specifying the allocated rank, the message causing the child network device to implement the allocated rank in the DAG, including causing the child network device to generate and output a Destination Oriented Directed Acyclic Graph (DODAG) information object (DIO) message specifying the child network device is using the allocated rank.


Find Patent Forward Citations

Loading…