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. 15, 2011
Filed:
Jan. 30, 2006
Masayuki Takase, Kokubunji, JP;
Yoshihiro Ashi, Yokohama, JP;
Masahiko Mizutani, Kokubunji, JP;
Tohru Kazawa, Kokubunji, JP;
Kenichi Sakamoto, Kokubunji, JP;
Taishi Shinagawa, Tokyo, JP;
Masayuki Takase, Kokubunji, JP;
Yoshihiro Ashi, Yokohama, JP;
Masahiko Mizutani, Kokubunji, JP;
Tohru Kazawa, Kokubunji, JP;
Kenichi Sakamoto, Kokubunji, JP;
Taishi Shinagawa, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A packet forwarding apparatus and network system for providing different types of bandwidth control services to the user; in which a packet forwarding apparatus for transferring data comprises an interface unit for sending and receiving packets, and a traffic shaper for controlling the packet transmission timing and a packet switch for sending an output to the interface unit as the destination of the received packet; and the traffic shaper uses a token bucket algorithm when transmitting a packet to guarantee the minimum frame rate, and uses a leaky bucket algorithm when limiting the peak frame rate.