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:
May. 27, 2025
Filed:
Mar. 26, 2020
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Yuhei Hayashi, Musashino, JP;
Hiroshi Suzuki, Musashino, JP;
Ichiro Kudo, Musashino, JP;
Hiroshi Osawa, Musashino, JP;
Yuki Miyoshi, Musashino, JP;
Takeaki Nishioka, Musashino, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A registration device () includes an extracting unit () that extracts inner header information and outer header information of an encapsulated packet, a filter unit () that calculates a hash value of the inner header information and the outer header information as an address of a hash table in which arrival information indicating whether a first packet of a series of flow has arrived is registered for each address and causes, based on the hash table, inner header information and outer header information of the first packet of the series of flow to pass, and a registering unit () that registers the inner header information and the outer header information of the first packet, which the filter unit () has caused to pass, in a database in association with each other.