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High Availability Network Fundamentals by Chris Oggerino

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Why Do We Need High Availability?

We have come to depend on the use of computers, access to the Internet, and the help of our favorite Internet sites. Many people regularly shop for things on the Internet. They expect to be able to go Internet shopping 24 hours per day, seven days per week.

If you have ever purchased anything online, you have probably felt a bit worried as you typed in your name, address, and credit card number—you feel as though you are giving out information that will result in yet more junk mail and the addition of your name on even more lists that cold callers use. The first-time registration process at most Web sites involves entering a wealth of personal information. On subsequent visits to the same Internet merchant, only ...

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