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:
May. 01, 2012
Filed:
Dec. 07, 2005
Ali Sajassi, San Ramon, CA (US);
Dino Farinacci, San Jose, CA (US);
John M. Zwiebel, Santa Cruz, CA (US);
Daniel Alvarez, Pleasanton, CA (US);
Ali Sajassi, San Ramon, CA (US);
Dino Farinacci, San Jose, CA (US);
John M. Zwiebel, Santa Cruz, CA (US);
Daniel Alvarez, Pleasanton, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A provider edge (PE) node of a network operates to send a trace path message over the network to a receiver PE node, the trace path message recording a list of intermediate nodes of a unicast path from the PE node to the receiver PE node; and receive a join message initiated from the receiver PE node, the join message using the list to propagate to the source PE node through the intermediate nodes such that a branch of a multicast tree is aligned with the unicast path. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).