3.4 Redundent Internet Configuration

 

By using a round-robin DNS techniques to provide access to multipule web servers from one URL and multiple ISP's, routers and firewalls using High Avaibility technics you can create a 100% uptime service.

_A_/\_ _A_A_ | | | |

/    ISP #1    \_ (WAN)_/ Partners \

\_ _ _ _/       | (HUB)      \_ _ _ _/

\/ \/ \/        | ___|____ \/ \/ \/

__|___ |_______ |

_/\__/\_     |_____       | |Firewall|| ______

| |    |        ||   (DMZ)   | System ||   (LAN)   | |

/    ISP #2    \|Router||(HUB)|     (VPN)   ||(HUB)|   WS/s |

\_ _ _ _/ |______     |     |    |________       |     |    |______ |

\/ \/ \/ | | | ______

| (Outside)    (Shared)        |       | |

------ | (Server)       (Server) +----|Proxy |

| WS/s | | |______ |

| VPN |-+

|______ |

It is easy to let your network get out of hand. Keep control of every connection. It only takes a user with a modem to compromise your LAN.