Server load sharing system

Details Server load sharing system Server load sharing system

2002-04-03

2008-05-27

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S352000, C718S105000

Reexamination Certificate

active

07379458

ABSTRACT:
A server load sharing system having a plurality of server load balancers and a relay device. Each balancer includes a module selecting, any one of a plurality of load sharing target servers specified in their group on the basis of the virtual IP address and each allocated a unique IP address, and a module rewriting a virtual IP address of the received forwarding target packet addressed to the virtual IP address into the unique IP address of the selected server, and rewriting a source IP address of the received packet addressed to the virtual IP address into an IP address capable of specifying the other of the first and second links.

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Notice of Reason for Rejection mailed Jul. 18, 2006.
Nikkei Communications, No. 332, p. 124-129, Dec. 18, 2002.
Nikkei Communications, No. 350, p. 120-129, Sep. 17, 2001.
UNIX Magazine, vol. 15, No. 8, p. 57-63, Aug. 2002.

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