EdgeCast vs Incapsula: What are the differences?

What is EdgeCast? The world's fastest and most reliable content delivery network. EdgeCast is a content delivery network (CDN) that helps companies accelerate and deliver static and dynamic content to end users around the world. Major customers include Yahoo!, Tumblr, Pinterest, Wordpress, and Imgur. The company has about 4,500 customers (as of June 2012) and carries about 5% of the world’s internet traffic.

What is Incapsula? Cloud-based service that makes websites safer, faster and more reliable. Through an application-aware, global content delivery network (CDN), Incapsula provides any website and web application with best-of-breed security, DDoS protection, load balancing and failover solutions.

EdgeCast and Incapsula can be categorized as "Content Delivery Network" tools.

Some of the features offered by EdgeCast are:

• Caching- From whole sites to mobile, our acceleration and delivery services will bring you to the world's digital doorstep.
• Application Delivery- Accelerate delivery of your web applications and non-static content.
• Streaming- Flash, Silverlight, or HTTP – live or on-demand, we'll deliver it better than anyone.

On the other hand, Incapsula provides the following key features:

• Website Security and WAF
• Unmatched web application security experience, enhanced by real-time big data analytics, enables Incapsula to provide best-of-breed security to the world's businesses. DDoS Protection
• Combining a robust network backbone and industry-acclaimed traffic inspection solutions, Incapsula provides protection against all application, network, and protocol-based DDoS attacks. CDN