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.

Date of Patent:
Jun. 03, 2003

Filed:

Apr. 21, 1999
Applicant:
Inventors:

Eiichi Takahashi, Kawasaki, JP;

Takeshi Aoki, Kawasaki, JP;

Shinji Kikuchi, Kawasaki, JP;

Tetsuya Okano, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/256 ; G06F 1/300 ;
U.S. Cl.
CPC ...
H04L 1/256 ; G06F 1/300 ;
Abstract

When service is allocated to a server of the other network on the basis of load information, a packet from a client is transferred as a transfer packet to the other wide area load distribution apparatus. The other wide area load distribution apparatus fetches the client packet from the transfer packet and converts its destination from a transferor address Lx to a server address S and its sender from a client address C to a self address Ly for sending to a server. Upon a reception of a response server packet from the server, the destination is converted from the self address Ly to the client address C and the sender is converted from the server address S to the transferor address Lx for the relay to the client.


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