method run_fcgi {
        
        # validate if fast cgi is available
        try {
            use CGI::Fast;
            use FCGI;
        }
        catch {
            print CGI::header;
            print CGI::div(q{
                sorry, fastcgi is not available on this server.
                (missing CGI::Fast or FCGI - could not be loaded)
                
                fix this or run as cgi
            });
            exit;
        };        
        
        # setup disptacher
        my $disp = $self->_get_dispatcher;
        $disp->setup;
        
        # fcgi loop
        
        $ENV{'_persistent'} = 1;
        
        while (my $cgi = new CGI::Fast) {            
            $ENV{'_start_time'} = Benchmark->new; # reset timer  
            $ENV{'_persistent'}++;    
                  
            $disp->route($cgi);
        }       
        
    }