They always had other methods. Droitwich is more akin to a troubleshooting step - if Inskip is quiet but Droitwich is loud, there's a problem with Inskip. If

They always had other methods. Droitwich is more akin to a troubleshooting step - if Inskip is quiet but Droitwich is loud, there's a problem with Inskip. If every site falls quiet at the same time .. well on to the next step. It's a bit like losing communication with one host, and pinging another to see if it's you or them - the 'other' isn't loadbearing.