Frank deRienzo

There are two basic Web server load balancing options: hardware-based and software-based. The latter have been slowly disappearing from the enterprise while the former have been gaining a larger presence. Many software-based options have reached the end of their product life cycle. Macromedia ClusterCATS is among those end-of-life products; it has not been ported to IIS6. The primary software-based Web server load-balancing (actually failover rather than load-balancing) option with IIS6 is MS NLB. ColdFusion Web sites on IIS5 running multiple servers clustered with ClusterCATS will soon need to transition to either MS NLB or a hardware-based solution. While clustering CF on JRun is always an option for the application servers, this does not provide a means to cluster Web ... (more)