Enterprise Solutions and Services
If there is a chance that you have a single point of failure that affects your web presence - be it a router, server, network card, cable or even your Internet Service Provider - you should be making use of a business continuity/fail-over solution.
For a small monthly fee you can rest assured in the knowledge that a completely independant and up to date replica of all your services are available to you and your customers, ensuring you are never disconnected.