This brief explains how FortiADC load balances clusters of FortiCache appliances to expand caching capacity for enterprises, service providers, hosting companies, and educational networks with heavy web traffic. Instead of relying on the more complex WCCP method, FortiADC treats each FortiCache as a server pool member, performs real-time health checks, directs users to the best available unit, and preserves sessions through persistence. It supports transparent and explicit proxy deployments for HTTP and HTTPS traffic. The combined solution delivers redundancy, intelligent routing, SSL offloading, policy-based traffic management, and up to 99.999% availability. It increases content delivery speed, improves user experience, reduces bandwidth use, and provides a tested, easy-to-manage single-

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