Amazon Route 53 is a highly available and scalable cloud Domain Name System (DNS) web service. It is designed to give developers and businesses an extremely reliable and cost effective way to route end users to Internet applications by translating names like www.example.com into the numeric IP addresses like 192.0.2.1 that computers use to connect to each other. Amazon Route 53 is fully compliant with IPv6 as well.
Amazon Route 53 effectively connects user requests to infrastructure running in AWS – such as Amazon EC2 instances, Elastic Load Balancing load balancers, or Amazon S3 buckets – and can also be used to route users to infrastructure outside of AWS. You can use Amazon Route 53 to configure DNS health checks to route traffic to healthy endpoints or to independently monitor the health of your application and its endpoints. Amazon Route 53 Traffic Flow makes it easy for you to manage traffic globally through a variety of routing types, including Latency Based Routing, Geo DNS, Geoproximity, and Weighted Round Robin—all of which can be combined with DNS Failover in order to enable a variety of low-latency, fault-tolerant architectures. Using Amazon Route 53 Traffic Flow’s simple visual editor, you can easily manage how your end-users are routed to your application’s endpoints—whether in a single AWS region or distributed around the globe. It also offers Domain Name Registration – you can purchase and manage domain names such as example.com and Amazon Route 53 will automatically configure DNS settings for your domains.
It is very flexible. Traffic Flow routes traffic based on multiple criteria, such as endpoint health, geographic location, and latency. You can configure multiple traffic policies and decide which policies are active at any given time. You can create and edit traffic policies using the simple visual editor in the console, AWS SDKs, or the Route 53 API. Traffic Flow’s versioning feature maintains a history of changes to your traffic policies, so you can easily roll back to a previous version using the console or API.
Few advantages of Route 53
- Security — It can use the benefits of AWS Identity Access Management (IAM) to limit the who can access your VPC and what they can access. AWS IAM allows the user control access to web services and resources securely for your users. IAM allows for the creation and management of AWS users/groups, and the assignment of permissions to allow/deny access to AWS resources.
- Reliability — As the policies above show, Amazon Route 53 is designed to help your system stay running, thanks to everything from latency-based to geographically-based policies. Being an AWS-native service, it’s in a good position to play nicely with all the other AWS services in your deployment.
- Cost savings — It provides an efficient way to redirect website requests without extra hardware, and doesn’t charge for queries to certain AWS resources such as S3 buckets, ELBs, VPC endpoints, or CloudFront distributions.
- Service level agreement — It provides service credits if the monthly uptime percentage fails to meet the service commitment in any billing cycle.
- Time to propagate — It is designed to distribute DNS record updates to a network of DNS servers in approximately 60 seconds under typical work conditions.
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