What is AWS Route 53?

what is aws route 53

What is AWS Route 53?

The Amazon Route 53 is a highly scalable and available domain name system (DNS) web service. The route of Route 53 (Route 53) is a highly available and scalable Domain Name System (DNS) service. Amazon Web Services (AWS) The name is a reference to the TCP or UDP port 53, in which DNS server requests are routed.

In addition to directing users to various AWS services, including EC2 instances, Route 53 also allows AWS customers to direct non-AWS infrastructure users and monitor the integrity of their applications and their endpoints. The servers on Route 53 are distributed throughout the world. Amazon Route 53 supports full end-to-end DNS resolution in IPv6. Recursive DNS resolver on IPv6 networks can use IPv4 or IPv6 transport to send DNS queries to the Amazon Route 53

Benefits of AWS Route 53?

Highly available and reliable

The Amazon Route 53 was created using the highly available and reliable AWS infrastructure. The distributed nature of our DNS servers helps ensure a consistent ability to route their end users to their application. Resources such as the Amazon Route 53 traffic flow help improve reliability with easy failover configuration to redirect users to an alternative location if the endpoint of the main application is not available.

Flexible

Traffic flow from Amazon Route 53 is directed to traffic based on various criteria, such as endpoint integrity, geographic location, and latency. You can configure multiple traffic policies and decide which policies are active at any time. You can create and edit traffic policies using the simple visual editor in the console of route 53, AWS SDK or the API of route 53. The version feature of the traffic flow maintains a history of changes in your traffic policies so that you can easily revert to a previous version using the console or the API.

Cost-effective

The Amazon Route 53 conveys the advantages of the AWS scale for you. You pay only for the resources used, such as the number of queries that the service answers for each of your domains, areas hosted for the administration of domains through the service and optional resources, such as traffic policies and integrity checks, all to a low cost and without minimum commitments of use or initial rates.

Secure

By integrating Amazon Route 53 with identity and access management (AWS), you can grant unique credentials and manage permissions for each user in your AWS account .

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Why you should consider migrating to Route 53

After activating your domain, you can choose a routing policy that best suits your needs. To make the most of the service, you need to understand correctly the function of each type of policy.

Simple Routing Policy

This is the most common and, as the name suggests, the simplest type of routing. Use for a single feature that executes a certain function for your domain, for example, a Web server that displays content for the example.com site.

Weighted Routing Policy

The result is returned based on a weight of the DNS record. This is used to distribute the number of sessions equally or unequally between the servers. Let’s consider a scenario in which you have identical sites with the same site name in different regions of AWS. Here, the simple routing policy is not appropriate, since it only allows a value in relation to an FQDN or a hostname.

Therefore, you will create two DNS records with the same FQDN, but each point points to a different IP address or CNAME. Select the weighted routing policy and add the weight as “1” to the two registers. Thus, the first query returns the first IP address and, for the next query, returns the second IP address, distributes the sessions between the servers equally. You may want an unequal distribution of sessions as if you had a smaller server in a different region. You can insert an integer value between 0 and 255 to distribute your traffic unevenly.

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Latency-based Routing Policy

A latency-based policy directs traffic requests to the server, which can respond with the lowest possible latency (delay). You could, for example, run your application in several regions of AWS, and Route 53 would automatically route users automatically to those who would deliver as quickly as possible.

Failover Routing Policy

A failover policy will send all traffic to the server that is set as primary while the server is still in good condition. If, however, integrity checks determine that this is failing, the traffic will be diverted to a designated backup resource.

Geo location Routing Policy

This policy allows assigning resource destinations based on the geographic location of the users. For example, you may want all inquiries from India to be routed to a server located in the same physical zone to limit the latency.

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