Faraz,

While NX is much better at bandwidth, it comes at the expense of CPU 
usage.  All that proxying, caching, compressing, encrypting comes at a cost.

If you are trying to us NX on a high speed LAN, i'm not surprised that 
your speeds aren't great.  Where NX really shines is on low speed 
connections.

I've used NX for alot of remote connection stuff, but it just doesn't 
make sense to use NX with LTSP.

Jim McQuillan
[EMAIL PROTECTED]



Faraz Khan wrote:
> Did some testing over the past few days with Freenx and Ltsp5. My
> purpose was to boot the thin client from tftp (just like ltsp does) so I
> used an existing LTSP setup. 
> 
> Tried using a script called startnx which is a replacement for
> startx/ldm but that didnt work out too well so I just did it Manually.
> On the thin client shell i did:
> 
> 1. Start raw X (just type X)
> 2. Start nxclient so that it connects to X.
> 3. I had a freenx server running on feisty to accept connects. Worked
> perfectly fine - however I really didnt feel ANY difference of speed
> compared to LTSP 5 ssh X tunnelling. It was as slow and laggy even over
> LAN. Basically XDMCP speed beat FreeNX hands down - though FREENX did
> take up much less bandwidth.
> 
> Isnt the NX protocol supposed to give you near native speed through
> caching? I noticed no such thing on my end. Ive even tested Nomachine's
> commercial client and server but NOTHING can match the speed of a native
> raw X connection (through XDMCP). Its laggy and screen repainting is
> slow.
> 
> Just reporting my results and hoping to obtain feedback. Thin clients
> are PIII-1.0G old Compaqs with 256mb Ram. Am guessing the low end CPU
> might be killing the speed in the case of NX just like it does with
> LTSP5 ssh tunneling. 
> 
> 
> 

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