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:
Dec. 07, 2004
Filed:
Feb. 21, 2001
Masanaga Tokuyo, Ebina, JP;
Itaru Nakagawa, Kawasaki, JP;
Satoru Chikuma, Kawasaki, JP;
Nobutsugu Fujino, Kawasaki, JP;
Tetsuya Taniguchi, Yokohama, JP;
Takanori Hisanaga, Kawasaki, JP;
Michiyasu Chikada, Ichikawa, JP;
Daisuke Kuwata, Kawasaki, JP;
Other;
Abstract
When a plurality of IP packets to be relayed, which form a TCP connection, pass through a router device, converting units rewrite part of IP address information and port number information within the packets according to a predetermined rule in cooperation with a TCP connection management database. A stream linking unit extracts the information indicating the original connection destination of a TCP connection from the packets, and links two TCP connections with streams. Converting units rewrite part of the IP address information and the port number information within a plurality of packets to form a TCP connection with an original connection destination according to a predetermined rule in cooperation with the management database.