When you type http://www.wikipedia.org/ into your browser's address bar, you wait for nothing less than to be taken to Wikipedia. Chances are you're not giving much consideration to the work being done in the background by the Domain Name System, or DNS.
As part of Google’s ongoing effort to make the web faster, they have launching their own public DNS resolver called Google Public DNS. Most of us aren't familiar with DNS because it's often handled mechanically by our Internet Service Provider (ISP), but it provides an important function for the web. You could think of it as the switchboard of the Internet, converting easy-to-remember domain names e.g., http://www.google.com/ into the unique Internet Protocol (IP) numbers e.g., 74.125.45.100 that computers use to converse with one another.
The regular Internet user ends up performing hundreds of DNS lookups each day, and some multifarious pages require multiple DNS lookups before they start loading. This can sluggish down the browsing practice. The research has shown that speed matters to Internet users, so over the past several months the Google team engineers have been working to make improvements to the public DNS resolver to make users' web-surfing experiences faster, safer and more reliable. You can read about the exact technical improvements made in the product documentation and get installation instructions from the product website of Google.
If you're web-savvy and contented with changing your network settings, check out the Google Code Blog for complete instructions and more information on how to set up Google Public DNS on your computer or router.
As people begin to use Google Public DNS, Google has planned to share what we learn with the broader web community and other DNS providers, to improve the browsing experience for Internet users globally. The goal of Google Public DNS is to benefit users worldwide while also helping the tens of thousands of DNS resolvers improve their services, eventually making the web faster for everyone.
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