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:
Apr. 30, 2013
Filed:
Oct. 05, 2009
Saibal Banerjee, Fremont, CA (US);
Raghava Kondepudy, San Jose, CA (US);
Gano Broto Chatterji, Sunnyvale, CA (US);
Saibal Banerjee, Fremont, CA (US);
Raghava Kondepudy, San Jose, CA (US);
Gano Broto Chatterji, Sunnyvale, CA (US);
BCK Networks, Inc., Fremont, CA (US);
Abstract
A source-address independent, multi-path routing method for use in a communication network is disclosed. A network node uses an information packet's destination address to determine a plurality of neighbors it has a proportional likelihood to forward that packet to, such that packets can be sent over multiple paths to a destination node without undesirable looping. Multiple-neighbor proportional forwarding routing tables are determined by computing a directed graph of multiple optimal paths to each destination node. Optimal paths and forwarding proportions are based on link capacities. The multi-path routing method provides maximized throughput, reduced congestion and superior load balancing over single-path routing. Source-address independence also overcomes a major problem of more traditional source-address dependent multi-path routing methods. The source-address independent, multi-path routing method can be implemented in mixed networks where some nodes do not implement the method. Data structures and methods for determining the optimal paths and parameters are provided.