Round Robin DNS

What is Round Robin DNS?

Definition and meaning of Round Robin DNS

Round Robin Domain Name System (DNS) refers to a Method of Load Balancing, load Distribution or fault-tolerance provisioning of numerous out of date Internet Protocol provider Hosts, along with FTP Servers, Web Servers, and so forth., with the aid of handling the responses of the DNS. This is for coPing with requests from patron Computer Systems as in line with a right statistical version.

In this load-balancing approach, in preference to the standard load strategies, the stability of electricity is positioned within the DNS Server in place of in a fully dedicated gadget.

What Does Round Robin DNS Mean?

Round robin DNS works on a rotation basis throughout which the IP address of a Server is given out, after which it proceeds to the returned of the list; the IP deal with of the following server is given out, after which it proceeds to the stop of the list. This sySTEM maintains with admire to the quantity of servers utilized. This manner is achieved in a Looping fashion.

Round robin DNS is specifically used to balance the Weight of Web servers which can be geographically distributed. For example, if an enterprise includes three same domestic pages that live in 3 servers having three separate IP addresses, but simplest one Domain call, then the process may be as follows:

• The first consumer having Access to the home Web Page is taken to the primary IP address.
• The 2nd user gaining access to the house page is taken the following IP address.
• The 1/3 person is Forwarded to the 0.33 IP address.
• In each case, as quickly as the IP address is surpassed out, it movements to the give up of the list. Therefore, the fourth person is taken to the first IP cope with, and so on.

Even although it's far quite easy to employ, round robin DNS has some drawbacks, inclusive of the ones inherited from TTL times and the DNS hierarchy itself, which ends up in sudden deal with caching this is quite tough to deal with.

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