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by address resolution based on the geographical location of the client. For example a website might have 2 servers, one located in France and one in the US. With GeoDNS it's possible to create a DNS record for which clients from Europe would get the IP address of the French server and clients from
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The requester that the resolving DNS server sees is typically not the end user, but the DNS server of the user's ISP doing a recursive lookup, and the recursive DNS server caches the result. As ISPs typically arrange for users to use DNS servers geographically near them, the system usually works
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and will not break existing connections when the server selected for a particular client changes. However, as it is not intimately tied into the network infrastructure it is likely to be less accurate at sending data to the nearest server.
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the US would get the
American one. This makes network access faster and possibly cheaper, compared to directing all users worldwide to the same server or to multiple servers using random distribution, such as
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server software, to allow geographical split horizon (different DNS answers based on client's geographical location), based on
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As this technology is DNS based, it is much easier to deploy than BGP anycast. It does not require any support from the
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64:. Unsourced material may be challenged and
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128:Learn how and when to remove this message
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