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.
Patent No.:
Date of Patent:
Sep. 01, 2015
Filed:
Feb. 01, 2011
Alan Patrick Sheridan, Raleigh, NC (US);
Alvaro Retana, Raleigh, NC (US);
Russell I. White, Holly Springs, NC (US);
Alan Patrick Sheridan, Raleigh, NC (US);
Alvaro Retana, Raleigh, NC (US);
Russell I. White, Holly Springs, NC (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
One embodiment receives at a first node in at least a portion of a network a routing table, the portion of the network comprising the first node and one or more second nodes, the routing table specifying the immediate neighbor that provides each of the best paths in the portion of the network based on a total cost; using the routing table, determines at the first node every second node that is necessary for the first node to reach all edges of the network, the second nodes that are necessary for the first node to reach all edges of the network comprising an active set for the first node; and sends a message from the first node to every second node to facilitate determining whether to shut down the second node.