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Practical Load Balancing: Ride the Performance Tiger by Eelco Plugge, David Hows, Peter Membrey

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C H A P T E R  4

DNS Load Balancing

DNS load balancing is the simplest form of load balancing. That said, it’s also very powerful. It can be used to solve many performance problems very quickly as it allows you to direct incoming traffic to any one of a set of servers. But as with all quick and easy solutions, there are many things that DNS load balancing can’t do. If it was a panacea, after all, we would not have had to write this book.

DNS Details

First, let’s talk a little about DNS: specifically what it is and what it does. Without DNS, the Internet as we know it today could not function. DNS is really that important. However, it’s also something that even experienced developers often know little about. So let’s get stuck in.

The IP Address ...

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