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DNS failover adjunct to cloud failover

Failovers can be referred to as business organization moving their resources to other alternative destinations when there is an interruption of the original method of transfer. Failover can happen at different locations for example closer to home at the user or along the route. Failover tragedy plays an important role when failure happens in case there is an unavailability of cloud data store or an internet carrier outage it helps to redirect the passage to its intended target. Putting into place the failover strategy results in faultless knowledge having a modest outage will be experienced.

Every organization wants to deliver its best and protect its system from any interference from unauthorized users. The implementation of both the cloud failover and the DNS failover methods can be of great importance when it comes to protecting the systems of a business organization. The DNS failover is designed to work at the DNS level just as the name itself suggests. The DNS level is important just before a client is connected to any of the servers. The business organization’s domain name is converted by the DNS into their server’s IP address. DNS helps in monitoring applications and helps the client to be pointed to several addresses.

If there is a network failure then the DNS becomes different by resetting the DNS using A records. In the session flow, the DNS is the first thing to happen, through the DNS re-assignment and moving it to different positions making the traffic be re-routed, with fewer worries on where the issue will lie. The DNS failover plays an important role in handling different types of challenges because it extends out to the users this makes it much better than in a person who is reliant on cloud failover. Having a DNS failover allows an organization or individual to choose a nearby location for the transfer of data. This is an important aspect of the DNS failover because it makes it cheaper and faster when synchronizing data in the cloud.

The combination of DNS and cloud failover provides a better and more convenient service by benefiting from both worlds. When the two failovers are used by a business organization then this gives them more advantage and benefits because the importance of the two failovers is provided for the proper motive and the application type which is kept online. In cases of adversities, the DR mechanism adjusts the DNS records in mapping the URL to the IP of the secondary host (Qasmi et al., 2018)

Most organization in the cloud does not have comprehensive failover strategy unless it is involved in the failover across the internet. The majority of cloud companies lack a complete failover approach unless they are including failover across the internet, although, this may not be practical for circumstances – for instance, where there is a setback between the endpoint and the user (DYN, 2018). Therefore, for an organization to ensure all its bases are covered it is important to use a combined solution. When the two elements are not used together this can result in an unsatisfactory customer who might have a bad experience when the services go down and there is a delay for it coming up again.


DYN (2018).DNS Failover vs Cloud Failover: What’s the difference? Retrieved from

Qasmi, W. N. A., Siddiqui, T., Shehzad, M. K., Iqbal, A., & Ilyas, M. S. (2018, January). A comparative study of failover schemes for IaaS recovery. In 2018 International Conference on Information Networking (ICOIN) (pp. 25-30). IEEE.