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Software Engineer Interview: Overview of a System Design of a Website
What is DNS?
DNS stands for Domain Name System. It is a fundamental component of the internet that plays a crucial role in translating human-readable domain names into machine-readable IP addresses. This translation is essential for communication between devices on a network. DNS acts as a distributed database and naming system, providing a way to associate domain names (like google.com) with their corresponding IP addresses (like 192.0.2.1).
What is CDN?
CDN stands for Content Delivery Network. It is a network of geographically distributed servers designed to optimize the delivery of web content, such as images, videos, scripts, sylesheets and other assets, to users based on their location. CDNs are utilized to improve website performance, reduce latency, enhance scalability, and provide a better user experience.
CDN’s Content Replication
When a website is integrated with a CDN, the CDN provider replicates and stores copies of the website’s static content on multiple servers across various locations (points of presence or…
