FastCGI for IIS
FastCGI is popular application frameworks which provides a high-performance alternative to the Common Gateway Interface (CGI), a standard way of interfacing external applications with Web servers that has been supported as part of the IIS feature-set since the very first release.
Setting of per-process environment variables
Configurable maximum number of FastCGI processes per application pool
Configurable maximum number of requests that FastCGI process can handle before being recycled by FastCGI
Configurable idle timeout that can be used to optimize resource utilization on a server
Named Pipes and TCP based communication channel between FastCGI handler and FastCGI processes
More details for using as webplatform installation