It is available various modes of deployments; 1) In-line: easy to install and manage for users, 2) Reverse Proxy: secure your web servers, 3) One Armed Reverse proxy: designated server to reduce Web Application Firewall loads, 4) Transparent Reverse Proxy: Expand WAF with ADC.
It also enhances more availabilities with exclusive deploying modes to customers who are considering of service level guarantee seriously like finance, portal, and game providers.