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LAN-to-LAN Traffic Failover and Load Balancing
Virtual Private Network (VPN) is a widely deployed technology for multi-location enterprises to build a secure communication over an IP network between the geographically separate sites. It has become one of the most common tools for data security as there is a greater need for encrypting communication than ever before.

IPSec Tunnel Termination Supported by Q-Balancer

>  IPsec VPN Tunnels Termination and Failover
IPSec VPN tunnel is established based on a single Internet circuit, for example, an ADSL line. Should the circuit fails, there is no way to keep the connectivity for the LAN-to-LAN access. 

IPsec Tunnel Termination and Failover 

Q-Balancer is able to form multiple VPN tunnels at both ends, and in the event of WAN outage, LAN-to-LAN traffic will be diverted to the remaining active tunnel(s). This ensures network connectivity between business locations within an enterprise.

>  Load Balancing LAN-to-LAN Traffic Across IPSec VPN Tunnels
When more bandwidth is required to accommodate the growing demand, it would be possibly difficult to increase bandwidth capacity through traditional NAT-based multiple WAN load balancing technology. 

Load Balancing LAN-to-LAN Traffic across IPSec Tunnels

Multiple IPSec VPN tunnels can be terminated between Q-Balancer and the third-party VPN devices. This allows bandwidth of different links to be concurrently utilized by different networks. The mechanism of link load balancing distributes LAN-to-LAN traffic across multiple IPSec tunnels. As the IPSec tunnel is able to work in conjunction with policy-based load balancing, it increases the flexibility of LAN-to-LAN traffic and routing control.

Any VPN device which supports standard IPSec may terminate IPSec VPN tunnels on Q-Balancer appliance. This enables corporate network to build VPN tunnels whether the branch office has Q-Balancer devices. Bandwidth of all links can thus be highly utilized by configuring multiple IPSec tunnels for different networks.

Top Benefits
>  LAN-to-LAN connectivity will remain up and running even if outages occur on one of the WAN links.
>  Speed is increased as LAN-to-LAN traffic is distributed across multiple IPSec tunnels by sessions.
>  It can be flexibly deployed anywhere in the world, and built on WAN transports of any type.
>  It works with any VPN solutions that support standard IPSec.
>  Military-grade encryption is offered for the data passing through the tunnels

Additional data protection is provided through spreading LAN-to-LAN traffic across IPSec tunnels.