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:
Nov. 09, 2004
Filed:
Jan. 24, 2002
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/516 ;
U.S. Cl.
CPC ...
G06F 1/516 ;
Abstract
A gateway apparatus connected to an access network accommodating a plurality of ISP networks , and having an LAC function of transferring a PPP frame received from a user terminal to any one of the ISP networks via an L2TP connection set on the access network, includes: a cache server interface for connection to a cache server; and a packet transfer controller ( A to C and ) for selecting a PPP frame in which a Web contents request message is included in a payload field from a stream of PPP frames received from a user terminal, and transferring the request message indicated in the PPP frame to the cache server via the cache server interface.