On Thu, Feb 10, 2011 at 03:00:08PM +0800, [email protected] wrote: > Hi, Hans > > Thank you very much for pointing out our errors and your valuable comments > :) we will make corresponding changes and submit updates to IETF later. > > For mentioned vmware svga graphics card, I just studied some references: > http://vmware-svga.svn.sourceforge.net/viewvc/vmware-svga/trunk/doc/gpu-wiov.pdf > http://vmware-svga.svn.sourceforge.net/viewvc/vmware-svga/trunk/doc/svga_interface.txt > > > > From the references, my feeling is that it has similar architecture with > SPICE QXL architecture: emulated PCI device and graphics command. Compared > to QXL, it provides some 3D acceleration and all operations are executed > on host. Also it is mentioned that VMware SVGA graphics card is > implemented in all VMware products. We will continue to study whether > VMware VDI products also adopt it. Thanks for your clue! > > BTW: do you know the schedule of 3D acceleration by SPICE community/RHEV ?
There is no schedule, but it is beeing worked on actively. Alon > > Thanks, > Lyon > > > > > Hans de Goede <[email protected]> > 2011-02-09 18:42 > > 收件人 > [email protected] > 抄送 > [email protected], [email protected] > 主题 > Re: [Spice-devel] Request For Comments: proposals for standarizing VDI > protocols in IETF > > > > > > > Hi, > > On 02/09/2011 10:40 AM, [email protected] wrote: > > > > Dear all, > > > > As you know VDI is believed to be one of most promising technologies in > cloud-computing ages, different companies or communities have different > VDI protocol definitions, such as SPICE, RDP and ICA. Some are open, while > some are proprietary protocols. Considering large deployment in future, > inter-operatability will be key issue. So it's important to make VDI > protocol open and standard. > > We submitted two drafts (problem statement and survey, pls. refer to > below links for details) to IETF-80 ( > http://www.ietf.org/meeting/80/index.html) and will hold a bar BoF during > IETF-80 in Prage. So we are sending this mail: 1) request for your > comments or suggestions for the two draft documents; 2) if you're > interested in the VDI standardization, please you attend the upcoming IETF > meeting. > > http://datatracker.ietf.org/doc/draft-wang-clouds-vdi-problem-statement/ > > http://datatracker.ietf.org/doc/draft-ma-clouds-vdi-survey/ > > > > Interesting. I've read both documents and I've some comments wrt the vdi > survey and > spice. > > First of all I would choose a different term / name for the component of > RDP / ICA > which run inside the guest to capture the graphics then agent. Many > virtualization > solutions including non vdi solutions such as vmware workstation (an > example where > the client viewing the vm and the host are one and the same machine), have > a small > agent process inside the guest os which allows things like copy paste > between the > guest os and the client os, and controlling attaching local drives to the > virtual > machine from within the guest. And virtualization related agents are also > typically > used in server virtualization scenarios, so I think agent is a bad name > for the > graphics capturing part of RDP / ICA, as this can easily be confused with > the more > light weight agents common in most virtualization solutions. > > Spice also has such a light weight agent, which is used amongst other > things for > copy and paste. You mention copy and paste as a future spice feature, but > that has > been present in spice since the 0.6.3 release. > > Offscreen surfaces are supported since the 0.6.0 release (for 2d) and > multi head has been supported even longer. Currently multihead support is > limited > to windows as guest os (but works with any client). > > Also usb-sharing is currently supported already in the official RHEV > versions, > through a proprietary component. An open source replacement for this is > coming > along nicely. > > Last you also list vmware as using software inside the guest to capture > graphics > output. I'm not familiar with vmware's vdi offering. But for vmware > workstation > this is not true, in their workstation edition vmware uses a special > vmware virtual > svga card for this. > > Regards, > > Hans > > > > > > -------------------------------------------------------- > ZTE Information Security Notice: The information contained in this mail is > solely property of the sender's organization. This mail communication is > confidential. Recipients named above are obligated to maintain secrecy and > are not permitted to disclose the contents of this communication to others. > This email and any files transmitted with it are confidential and intended > solely for the use of the individual or entity to whom they are addressed. If > you have received this email in error please notify the originator of the > message. Any views expressed in this message are those of the individual > sender. > This message has been scanned for viruses and Spam by ZTE Anti-Spam system. > _______________________________________________ > Spice-devel mailing list > [email protected] > http://lists.freedesktop.org/mailman/listinfo/spice-devel _______________________________________________ Spice-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/spice-devel
