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Exoprise Glossary

DNS Load Balancing

What is DNS Load Balancing?

DNS Load balancing is a method used to distribute the incoming network traffic across servers or resources to optimize utilization, prevent server overloads, and improve the overall performance and reliability of systems. This traffic distribution is done by leveraging Domain Name System (DNS) to resolve domain names to multiple IP addresses.

DNS load balancing can utilize various methods to distribute traffic, including round-robin, random selection, and weighted distribution. It can also provide a level of failover, if one server is overwhelmed or unavailable, DNS resolvers route traffic to the remaining servers.

Load balancing can also provide Global Server Load Balancing (GSLB) which considers factors like proximity, server health, and other criteria’s to direct user traffic to the most appropriate destination. Organizations also use specialized load balancing solutions in addition to DNS load balancing to achiever granular control over the distribution of traffic.

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