"Partington, David R Mr (NGIT) USAIC&FH" writes:
I'm curious what simple video is. They are almost as many types of
video as there are ice cream flavors.
The original complaint was for "weather movies" on
http://www.ssd.noaa.gov/goes/east/natl.html
under "Image Loop -> Visible". However, this makes the desktop
on a Ray 1 mostly unresponsive, so I've also been using
http://www.quinlanroad.com/explorethemusic/anancientmuse.asp
under "E-Card Three". This is a low-bandwidth Macromedia flash video,
but it is sufficient to trigger at least 15% packet loss on the Ray 1.
Again, if we connect on a private network (a 400 MHz Celeron with two
3com 905 interfaces) that routes over the same wire, or if we use a
Ray 2, or if we connect directly to the Sun Ray server, then we have
good performance with peak packet loss of a few percent at most.
I would make a couple of recommendations for the best performance
on Video. First use a dedicated interconnect just for the Sun Rays
Unfortunately, we don't control the wire. Networking went as far as
to install an older 100 Mb/s switch under the gamble that it would
function like our inexpensive Netgear, but I think we'd scrap Rays
before pushing this further.
and make sure you are using a high quality switch.
In fact, it seems what we want is "low quality" or, rather, an
inexpensive switch. We have no problems with $50 Netgear switches
(Gb/s or 100 Mb/s); it's the good stuff (e.g., Cisco 3750) that break.
I see that you are using Sun Ray 1's. Can you switch solely to Sun
Ray 2's since they have a faster processor etc?
Our current strategy is to move some Ray 1 to private networks (where
we don't have packet loss problems, even though the traffic is
eventually on the "public" wire), or replace with Ray 2. Admittedly,
Rays are inexpensive, but it's hard to sell Sun to the dept with this
kind of trouble.
Thanks for the suggestions.
--
Darrel Hankerson
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