Title:
NODE DISCOVERY AND CULLING IN WIRELESS MESH COMMUNICATIONS NETWORKS
Document Type and Number:
WIPO Patent Application WO/2009/157984
Kind Code:
A2
Abstract:
Methods and systems for providing a network and routing protocol for utility services are disclosed. A method includes discovering a utility network. Neighboring nodes are discovered and the node listens for advertised routes for networks from the neighbors. The node is then registered with one or more utility networks, receiving a unique address for each network registration. Each upstream node can independently make forwarding decisions on both upstream and downstream packets, i.e., choose the next hop according to the best information available to it. The node can sense transient link problems, outage problems and traffic characteristics. Information is used to find the best route out of and within each network. Each network node maintains multi-egress, multi-ingress network routing options both for itself and the node(s) associated with it. The node is capable of several route maintenance functions utilizing the basic routing protocol and algorithms.
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Inventors:
VASWANI, Raj (190 Trinity Lane, Portola Valley, CA, 94028, US)
HUGHES, Sterling (338 South Fremont Street, Apt. 216San Mateo, CA, 94401, US)
VAN GREUNEN, Jana (Inc.575 Broadway Stree, Redwood City CA, 94063, US)
SAN FILIPPO, William E., III (13761 La Paloma Road, Los Altos Hills, CA, 94022, US)
FLAMMER, George, III (10549 San Felipe Road, Cupertino, CA, 95014, US)
HUGHES, Sterling (338 South Fremont Street, Apt. 216San Mateo, CA, 94401, US)
VAN GREUNEN, Jana (Inc.575 Broadway Stree, Redwood City CA, 94063, US)
SAN FILIPPO, William E., III (13761 La Paloma Road, Los Altos Hills, CA, 94022, US)
FLAMMER, George, III (10549 San Felipe Road, Cupertino, CA, 95014, US)
Application Number:
US2009/003712
Publication Date:
December 30, 2009
Filing Date:
June 23, 2009
Export Citation:
Assignee:
SILVER SPRING NETWORKS, INC. (575 Broadway Street, Redwood City, CA, 94063, US)
VASWANI, Raj (190 Trinity Lane, Portola Valley, CA, 94028, US)
HUGHES, Sterling (338 South Fremont Street, Apt. 216San Mateo, CA, 94401, US)
VAN GREUNEN, Jana (Inc.575 Broadway Stree, Redwood City CA, 94063, US)
SAN FILIPPO, William E., III (13761 La Paloma Road, Los Altos Hills, CA, 94022, US)
FLAMMER, George, III (10549 San Felipe Road, Cupertino, CA, 95014, US)
VASWANI, Raj (190 Trinity Lane, Portola Valley, CA, 94028, US)
HUGHES, Sterling (338 South Fremont Street, Apt. 216San Mateo, CA, 94401, US)
VAN GREUNEN, Jana (Inc.575 Broadway Stree, Redwood City CA, 94063, US)
SAN FILIPPO, William E., III (13761 La Paloma Road, Los Altos Hills, CA, 94022, US)
FLAMMER, George, III (10549 San Felipe Road, Cupertino, CA, 95014, US)
International Classes:
H04L12/56; H04W40/02; H04W40/24
Attorney, Agent or Firm:
LABARRE, James, A. (Buchanan Ingersoll & Rooney PC, P. O. Box 140, Alexandria VA, 22313-1404, US)
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Previous Patent: WO/2009/157983
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