Here is what I would call a well-written article on explaining DoS attacks, especially the difference between a network level DoS attack and an Application layer DoS attack.

The article is written by Ryan Barnett is Director of Application Security Research at Breach Security, WASC Distributed Open Proxy Honeypot Project Leader and OWASP ModSecurity Core Rule Set Project Leader.

Tags: application attack, application layer, application layer ddos, application layer dos, network layer, network layer ddos