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:
Aug. 20, 2024
Filed:
Feb. 25, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Mitsuo Amasaka, Musashino, JP;
Tomohiro Okada, Musashino, JP;
Shunsuke Homma, Musashino, JP;
Takayuki Nakamura, Musashino, JP;
Takuya Sato, Musashino, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/173 (2006.01); H04L 45/00 (2022.01); H04L 45/42 (2022.01); H04L 45/74 (2022.01);
U.S. Cl.
CPC ...
H04L 45/74 (2013.01); H04L 45/42 (2013.01); H04L 45/566 (2013.01);
Abstract
A communication device includes a storage unit that stores a conversion table; a receiving unit that receives a packet addressed to a user terminal from a server, and an address conversion unit that converts a destination address of the packet into a multicast address in accordance with the conversion table, adds, to the packet, an identification ID for identifying a group to which the user terminal belongs, and transmits the packet to which the identification ID is added.