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. 21, 2010
Filed:
Nov. 26, 2008
Hideki Hinosugi, Tokyo, JP;
Yoshihiko Sakata, Yokohama, JP;
Atsushi Anzai, Ebina, JP;
Takeshi Kumagai, Atsugi, JP;
Shinsuke Nakashima, Yokohama, JP;
Hideki Hinosugi, Tokyo, JP;
Yoshihiko Sakata, Yokohama, JP;
Atsushi Anzai, Ebina, JP;
Takeshi Kumagai, Atsugi, JP;
Shinsuke Nakashima, Yokohama, JP;
Alaxala Networks Corporation, Kanagawa, JP;
Abstract
A packet relay device comprises a distribution processing unit classifying traffics into groups and users based on header information of packets received; a calculation unit calculating available frame rate of each user from peak frame rate, minimum frame rate, and weight information set for each user; a scheduling control unit updating a transmission schedule point-in-time calculated based on the available frame rate of each user, and judging which packet should be transmitted in accordance with the transmission schedule point-in-time updated; and a shaping unit updating a transmission schedule point-in-time calculated based on the peak frame rate of each user, and performing a shaping of packets at the peak frame rate on each user basis in accordance with the transmission schedule point-in-time updated; and a priority-control processing unit performing a strict priority control over transmission of packets of each group in correspondence with degree of priority of each group.