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:
Oct. 22, 2019

Filed:

Feb. 24, 2015
Applicant:

Nec Corporation, Tokyo, JP;

Inventor:

Ryota Mibu, Tokyo, JP;

Assignee:

NEC Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/177 (2006.01); H04L 12/46 (2006.01); H04L 12/64 (2006.01); H04L 12/24 (2006.01);
U.S. Cl.
CPC ...
H04L 12/4633 (2013.01); H04L 12/4641 (2013.01); H04L 12/6418 (2013.01); H04L 41/0803 (2013.01); H04L 41/0873 (2013.01);
Abstract

Provided an inter-site network cooperation control apparatus connected to a network control apparatus in each of extension source and extension destination site of a virtual network that receives an extension request from the network control apparatus, notifies the network control apparatus in the extension destination site of an instruction to create a virtual network in the extension destination site, and notifies the network control apparatuses in the extension destination site and the extension source site of an instruction to create virtual ports for a tunnel between the sites, thus a communication connection being established between the virtual networks in the sites via the tunnel between the virtual ports for a tunnel.


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