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:
Mar. 26, 2019
Filed:
Apr. 18, 2016
Nec Corporation, Minato-ku, Tokyo, JP;
Masaya Yamagata, Tokyo, JP;
Yoichiro Morita, Tokyo, JP;
Takayuki Sasaki, Tokyo, JP;
Masayuki Nakae, Tokyo, JP;
Kentaro Sonoda, Tokyo, JP;
Yoichi Hatano, Tokyo, JP;
Hideyuki Shimonishi, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A communication system includes: a control apparatus setting control information in a forwarding node(s); a forwarding node(s); and an access control apparatus. The forwarding node(s) forwards packets by using first control information set by the control apparatus and second control information for forwarding packets that do not match a matching condition(s) in the first control information set by the control apparatus from a predetermined port of the forwarding node(s). The access control apparatus includes a determination unit determining whether to generate control information for the packets forwarded from the predetermined port of the forwarding node(s) and requesting the control apparatus to generate control information.