Ещё вариант:

RainConnect is the first software traffic management solution for multi-homed networks.
RainConnect makes the benefits of multi-homed networks practical beyond the
data center for use at all significant business centers where connectivity is a
key requirement. Unlike costly hardware-based solutions, RainConnect provides
automatic VPN traffic management and can be deployed directly on supported
firewalls. RainConnect saves businesses thousands of dollars per year by
intelligently load balancing Internet and VPN traffic between multiple broadband
links to gain additional bandwidth or replace existing T1 lines.
RainConnect functionality can be standalone, can be integrated with supported
software based firewalls such as Check Point and Microsoft ISA Server
or can be deployed in front of other firewalls such as Cisco PIX, NetScreen, and Symantec.

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