With the ever-increasing demands on network systems for a number of protocols from email, to HTTP traffic both internally and externally to the internet, voice over IP, FTP and so on, traffic slow downs become a reality. As such, important traffic may be dropped or slowed to an unusable speed. This can cause the halting or business traffic and revenues. Traffic shaping attempts to normalize traffic peaks and bursts to prioritize certain flows over others. But there is a physical limitation to the amount of data which can be buffered and to the length of time. This guide describes traffic shaping Quality of Service solutions and configurations available within FortiOS.