Method for assisting load balancing in a server cluster by...

Details Method for assisting load balancing in a server cluster by... Method for assisting load balancing in a server cluster by...

2006-02-21

2006-02-21

Vaughn, Jr., William C. (Department: 2143)

Electrical computers and digital processing systems: multicomput

Computer-to-computer session/connection establishing

Session/connection parameter setting

C709S226000

Reexamination Certificate

active

07003575

ABSTRACT:
An invention enables network traffic rerouting, while avoiding the necessity of traffic to pass via a cluster's master node. By doing so, neither the master node, nor its communication link become a critical failure or load point, thus disrupting the cluster performance. At first a client sends a packet a certain server of the cluster. If the client is redirected, said server adds a redirection header, defined by a new redirection protocol, to the packet, and returns the packet to the client. A service address and a redirection flag are placed in the header. The client receives the packet with the redirection header and connects to the target server whose address is in the header. From then on, the target server handles the client's packet and the whole transmission related to it.

REFERENCES:
patent: 6470386 (2002-10-01), Combar et al.
patent: 6535509 (2003-03-01), Amicangioli
patent: 6578066 (2003-06-01), Logan et al.
patent: 6650641 (2003-11-01), Albert et al.
patent: 6785704 (2004-08-01), McCanne

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