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.

Date of Patent:
Jan. 07, 2020

Filed:

Sep. 10, 2015
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Xiaopu Zhang, Shanghai, CN;

Yuefeng Jiang, Shanghai, CN;

Fang Yang, Shanghai, CN;

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 29/12 (2006.01); H04L 29/08 (2006.01); H04L 12/751 (2013.01);
U.S. Cl.
CPC ...
H04L 61/103 (2013.01); H04L 45/02 (2013.01); H04L 67/10 (2013.01);
Abstract

A network device may receive a request seeking a location identifier for an endpoint identifier from a first router. The network device may determine that the endpoint identifier belongs to a dynamic endpoint identifier range associated with a plurality of routers. The request may be forwarded to the plurality of routers to discover a host having the endpoint identifier and a notification may be received from one of the plurality of routers reporting discovery of the host having the endpoint identifier. The network device may send an identifier of the one of the plurality of routers which reports discovery of the host to the first router as the location identifier for the endpoint identifier.


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