Learn more about the technology and the network that Fastly manages to allow you to create unforgettable experiences at global scale.

What is a CDN

A CDN, or content delivery network, is a network or collection of servers in locations all over the world. Also known as a content distribution network, a CDN can refer to many types of content delivery services, such as load balancing and video streaming. Learn more

What is a WAF

A Web Application Firewall, or WAF, is a special type of firewall used for web applications. A WAF acts as a shield between a web application and the internet, protecting the server by detecting and blocking malicious request traffic. Learn more

What is Edge Computing

Edge computing is computational processing at the edge of the network, at or near the source of the data, instead of centralized infrastructure. By processing closer to the end user, communication can be done faster and latency can be reduced. Learn more

What is DDoS

A distributed denial-of-service (DDoS) attack occurs when multiple systems flood the bandwidth or resources of a targeted system, usually one or more web servers. A DDoS attack uses more than one unique IP address or machines, often from thousands of hosts infected with malware. Learn more

What is TLS

Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security over a computer network. The protocol is widely used in applications such as email, instant messaging, and voice over IP, but its use in securing HTTPS remains the most publicly visible. Learn more