
AWS Certified Advanced Networking – Specialty (ANS-C01) Certification Guide
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AWS Route 53 is a globally resilient, scalable, highly available DNS service. It includes numerous helpful features beyond a traditional DNS service at an attractive price point.
For example, in the early days, Trailcats used a traditional DNS service with a single pair of servers in North America. As the business expanded to other continents, this architecture resulted in high latency, poor application performance, and frequent service disruptions for European and Asian customers. Trailcats switched to Amazon Route 53, which solved all of these problems. AWS’s global network reduces latency by routing DNS queries to the nearest server, improving website load times. Latency-based routing directs customers to the closest web server, ensuring optimal performance. Health checks and automatic failover minimize downtime by redirecting traffic around failed servers. In this section, you’ll learn about these features and more.
Route 53 provides three main...