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:
Jun. 29, 2010
Filed:
Sep. 29, 2006
Applicants:
George Swallow, Boston, MA (US);
Vanson Lim, Nashua, NH (US);
Inventors:
George Swallow, Boston, MA (US);
Vanson Lim, Nashua, NH (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/08 (2006.01); H04L 12/28 (2006.01); H04L 12/66 (2006.01); G06F 15/173 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a first node may send an out-of-band message to a second node to request that the second node initiate an in-band echo request for a specified tunnel, e.g., toward one or more third nodes. Upon receiving the in-band echo request, one or more responding nodes (e.g., generally the third nodes) may send a response to the first node. This 'directed echo request' technique may also be used in conjunction with a 'reverse traceroute' technique.