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. 20, 2010
Filed:
Aug. 24, 2005
Applicants:
Sina Mirtorabi, Santa Clara, CA (US);
Abhay Roy, Santa Clara, CA (US);
Inventors:
Sina Mirtorabi, Santa Clara, CA (US);
Abhay Roy, Santa Clara, CA (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of supporting a unidirectional link from a first router to a second router, the first and second routers existing in an area of a communication network, the method comprising: the second router receiving a hello packet from the first router; the second router determining that its topology information for the communication network is incomplete; the second router encapsulating an open shortest path first (OSPF) packet into an Opaque link state advertisement (LSA); and the second router flooding the Opaque LSA over the area.