while(my($env,$platform_href) = each %{$stuff}) {
	while(my($platform,$host_href) = each %{$platform_href}) {
		while(my($host,$target_href) = each %{$host_href}) {
			while(my($target,$capacity_href) = each %{$target_href}) {
				
				# Do stuff with
				# $env
				# $platform
				# $host
				# $target
				# $capacity_href->{'total_capacity'};
				# $capacity_href->{'free_capacity'};

			}
		}
	}
}