[SunRay-Users] Sunray connector and USB support for Win 2008

William Yang wyang at tjhsst.edu
Tue Mar 16 18:10:20 EET 2010


I think the Sun USB redirector talks directly from Windows to DTU i.e. it
skips the Solaris/Linux host leg for better performance; I don't think it
uses the machine level for VDI.  But yes, in theory it is possible for
FabulaTech to work the Solaris <-> Windows side of the redirection.

 

William

 

From: sunray-users-bounces at filibeto.org
[mailto:sunray-users-bounces at filibeto.org] On Behalf Of David Bullock
Sent: Tuesday, March 16, 2010 11:15 AM
To: SunRay-Users mailing list
Subject: Re: [SunRay-Users] Sunray connector and USB support for Win 2008

 

True - I wasn't suggesting that Fabula Tech's solution would work directly
on a Sun-Ray - only that it is a reasonable thing to have complete USB
redirection to a virtualised Windows host.

 

I understand (perhaps I am wrong?) that USB redirection between a Sun Ray
and its Solaris/Linux host is already supported by SRSS out of the box
(assuming a Solaris/Linux driver for the connected hardware exists) - but
that doesn't really help for the 'RDP leg' of the connection to the Windows
host.

 

Presumably, with the right business arrangements in place, Fabula Tech (or
some other vendor) would be able to leverage their Windows-side experience
with USB redirection in the SRSS/SRWC environment as well ... given that the
Sun Ray firmware already handles USB redirection between the DTU and the Sun
Ray Server.

 

I thought of one other possibility for Sun's USB redirection story - that is
their proprietary RDP protocol which interfaces to the VM at a machine level
(rather than at the 'Windows session' level).  Maybe that's their strategy?

 

regards,

David.

 

On 17 March 2010 00:53, William Yang <wyang at tjhsst.edu> wrote:

I don't think the FabulaTech solution can work on a Sun Ray easily as it is
an ultra-thin client.  The thin clients it is designed to use with are not
as thin; they must run Windows, Linux, or Windows CE on the thin client
device, whereas the Sun Ray runs only a firmware.

 

William

 

From: sunray-users-bounces at filibeto.org
[mailto:sunray-users-bounces at filibeto.org] On Behalf Of David Bullock
Sent: Tuesday, March 16, 2010 6:59 AM
To: SunRay-Users mailing list
Subject: Re: [SunRay-Users] Sunray connector and USB support for Win 2008

 

On 26 February 2010 10:37, CJ Keist <cj.keist at colostate.edu> wrote, without
getting a reply:

> Does anyone on this list have idea when we could expect USB redirection
support for Windows Server 2008?

I also would like bit of a roadmap for Windows Vista+/7 USB redirection
support (and for completeness, Windows Server OS's too, but that's less
pertinent to me).  It's one of the main factors limiting the applicability
of Sun Ray to many situations.

Maybe Sun chose XP because of some of these guesses:

* the largest installed base of VDI VM's are XP;
* Sun had access to existing technology for XP only;
* Microsoft have made it unreasonably difficult to supply USB redirection on
Vista+;
* Microsoft will probably solve USB redirection in RDP sometime anyhow

... I'm just speculating on all of these points, of course.

It would seem that UK-based Fabula Tech have USB redirection for just about
every thin-client out there *except* for Sun Ray [1], working for all
versions of Windows.  I exchanged email with Fabula Tech at one stage, and
they were interested in Sun Ray, but seemed to be having trouble coming to
grips with how the SRSS/SRWC/Solaris thing worked together.  I encouraged
them to join a Solaris developer program so they could cheaply access the
raw materials, but I guess they didn't successfully engage with Sun on it.
(It was nearly a year ago that this exchange took place).  Given that Fabula
Tech have an alleged product that covers all the bases (I've not tested it
or explored its limitations), it seems technically feasible for Sun to
develop (or, now that they're owned by Oracle, acquire) a similar
capability.

[1] http://www.usb-over-network.com/usbnet-solutions/thinclients.html


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