Firewall load balancing using a single physical device

Details Firewall load balancing using a single physical device Firewall load balancing using a single physical device

2008-07-15

2008-07-15

Smithers, Matthew B (Department: 2137)

Information security

Access control or authentication

Network

Reexamination Certificate

active

10835794

ABSTRACT:
Methods and systems for load balancing a plurality of entities, such as firewalls, in a network environment are disclosed. In particular, the load balancing of firewalls on a bidirectional traffic path is performed using a single device that controls both incoming and outgoing traffic through the firewalls. The single device may include virtual routers for controlling the bidirectional traffic through the firewalls. A first virtual router may control incoming traffic to the firewalls and the other virtual router may control outgoing traffic to the firewalls. The virtual routers are logical partitions of the device layered on the physical resources of the device. The virtual routers share all or portions of the physical resources of the single device.

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Written Opinion for Application No. PCT/US2005/014013, dated Mar. 29, 2006.

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