From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <285891FC-C2F9-492D-9263-582389917D29@gmail.com> From: Patrick Kelly To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (iPod Mail 7D11) Date: Tue, 1 Dec 2009 19:26:24 -0500 References: <1f6f8dbaddf506e174b22cc079a13d09@quintile.net> Subject: Re: [9fans] remote access to audio devices Topicbox-Message-UUID: a68b7a70-ead5-11e9-9d60-3106f5b1d025 On Dec 1, 2009, at 17:28, Ethan Grammatikidis wrote: > > On 1 Dec 2009, at 8:44 pm, Steve Simon wrote: > >>> VNC can (has been) be a butt-saver' - but pales in comparison to >>> remote desktop >>> / remote X for relative responsiveness and seamlessness. >> >> My experience of serving a Windows desktop to a plan9 terminal >> is that TightVNC with the DFMirage "Mirror driver" works really well. > > I've had responsiveness issues when the viewing machine hasn't > enough CPU power to decode the screen data in real-time. A lot of > power seems to be needed, my PDA, a 416MHz ARM can't cope with any > compression at all, I have to limit vncviewer to copyrect and raw > encodings only. Encoding doesn't seem to need half as much CPU > power. I ran Xvnc on a headless server with a 400MHz AMD K6 with no > issues that I recall. Now I don't have any expertise with VNC, but decoding anything, is supposed to take less time than encoding it. I would check into that. > > All that gear was using either TightVNC or the plain vnc- > x.y.z.tar.gz from RealVNC. When using Vine Server on a 466MHz Apple > screen updates are not really adequate, while the mouse pointer > lags if I use the VNC server supplied with OS X Tiger on the same > machine. x0vncserver is a known problem server which I haven't used, > IIRC it basically works by taking screenshots continuously and > sending those. >