FortiOS firewall server load balancing includes the features you would expect of a server
load balancing solution. Traffic can be balanced across multiple backend servers based
on multiple methods including static (failover), round robin, weighted to account for
different sized servers, or based on the health and performance of the server including
round trip time, number of connections. The load balancer supports HTTP, HTTPS, SSL or
generic TCP/UDP or IP protocols. Session persistence is supported based on the SSL
session ID or based on an injected HTTP cookie.
This chapter contains the foll...