[THIN] Re: VSAT optimizations?
- From: "Stephen Greenberg" <steveg@xxxxxxxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Thu, 27 Feb 2003 12:39:48 -0800
No, this is a worldwide VSAT solution that has generally very good ICA
performance, we are looking to optimize the slow response specifically in
relation to latency, i.e. typing hesitations. The general response of
drawing pages, etc. is very good. Again, we are looking for what is possible
over and beyond the standard ICA "point and click" features.
Specifically, what can Expand do for this situation? (good bandwidth, high
latency)
Steve Greenberg
Thin Client Computing
34522 N. Scottsdale Rd. suite D8453
Scottsdale, AZ 85262
(602) 432-8649
(602) 296-0411 fax
steveg@xxxxxxxxxxxxxx
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx]On
Behalf Of Steve Snyder
Sent: Thursday, February 27, 2003 11:33 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: VSAT optimizations?
Yikes! I wish you the best of luck with this! I've
played a bit with ICA over satellites and found the
latency to be truly painful, almost entirely unusable
(the bandwidth was decent though).
Whether or not you can make it work in an acceptable
manner has nothing to do with available technology and
everything to do with physics. Geosynchronous
satellites are roughly 22,000 miles above the equator
and the speed of radiowaves are a fixed constant.
Technology, unfortunately, cannot change the laws of
physics.
Why VSAT anyway? Are they deploying globally? While
most intercontinental WAN circuits are typically slow
perhaps 128k, Expand's products claim to triple ICA
throughput which gives a fairly usable 384k. I'm
actually a bit surprised that I've never seen them
mentioned hin this ng.
www.expand.com
Good luck!
--- Stephen Greenberg <steveg@xxxxxxxxxxxxxx> wrote:
>
>
> Not yet, FR3 is the next step. The stated benefits
> of FR3 have to do with
> drawing JPG and GIF images in IE. This is actually
> not a problem with this
> large VSAT installation because it has very high
> bandwidth available. The
> issue is the physical packet latency going up and
> back to space. So FR3 may
> help a bit with drawing IE on the screen, but the
> core issue are identifying
> advanced Best Practises for dealing with latency to
> make the ICA typing and
> feedback more responsive.
>
> Thanks
>
> Steve Greenberg
> Thin Client Computing
> 34522 N. Scottsdale Rd. suite D8453
> Scottsdale, AZ 85262
> (602) 432-8649
> (602) 296-0411 fax
> steveg@xxxxxxxxxxxxxx
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