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:
May. 24, 2022

Filed:

Feb. 25, 2019
Applicant:

Nippon Telegraph and Telephone Corporation, Tokyo, JP;

Inventors:

Katsuma Miyamoto, Tokyo, JP;

Hideaki Iwata, Tokyo, JP;

Akihiro Okada, Tokyo, JP;

Hideo Tsuchiya, Tokyo, JP;

Shunsuke Homma, Tokyo, JP;

Akihiro Kimura, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/12 (2006.01); H04L 12/28 (2006.01); H04L 61/5014 (2022.01);
U.S. Cl.
CPC ...
H04L 61/2015 (2013.01); H04L 12/2858 (2013.01); H04L 12/2898 (2013.01);
Abstract

A communication apparatus connected to a virtual apparatus having an address dispensing function via an access network is provided, wherein the communication apparatus includes a communication confirmation unit configured to perform a communication confirmation between the virtual apparatus and the communication apparatus; and an address dispensing unit configured to dispense an address to a user terminal under control of the communication apparatus when communication between the virtual apparatus and the communication apparatus is not able to be confirmed by the communication confirmation unit, and the address dispensing unit causes the user terminal to forcibly release the address when the communication between the virtual apparatus and the communication apparatus is able to be confirmed by the communication confirmation unit.


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