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:
Jan. 26, 2010
Filed:
Apr. 26, 2006
Kunihiko Toumura, Hachioji, JP;
Mikio Kataoka, Kokubunji, JP;
Junji Yamamoto, Tokyo, JP;
Toshiaki Suzuki, Hachioji, JP;
Kunihiko Toumura, Hachioji, JP;
Mikio Kataoka, Kokubunji, JP;
Junji Yamamoto, Tokyo, JP;
Toshiaki Suzuki, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An object of this invention is to reduce a calculation amount and required storage capacity of a URL switch by dividing transfer destination determining processing among a plurality of devices. Provided is a computer system including: a plurality of servers; and a packet transfer device, in which: the servers are coupled to the packet transfer device; the packet transfer device is coupled to a client terminal via a network; the packet transfer device receives a content request including a fixed-length hash value that is calculated from a variable-length identifier of the content requested by the client terminal; extracts the hash value from the received content request; and determines, based on the extracted hash value, to which one of the plurality of servers the content request is to be transferred.