Hello Jakob,
The sunray will use about 300 Kbps on average but some times it needs
2-3 Mbps to update a screen quickly.
If you don't have 3 Mbits you will see a slower screen build than
necessary but with 1 Mbps it's usable although I would prefer a faster
connection.
Another issue is the VPN encryption. The Cisco 3002 has a VPN throughput
somewhere between 1 and 2 Mbps depending on the packetsize. You might
want to have a look at the Nokia 10i, 50i and 100i which can handle VPN
throughput at 90, 120 and 600
Mbps respectively. This will make it possible to support more sunrays at
different locations.
Kind regards,
Ivar
Markolf Gudjons wrote:
Hi Jakob,
On Tue, 18 Oct 2005, Jakob Oestergaard wrote:
Just curious; what is the approximate bandwidth and latency from the
side of the VPN where your SunRay sits to the SRSS ?
I tested it with 1 Mb/s symmetrical and an average latency of around 50
ms.
And how do the screen updaets feel, interactively? (eg. switching
between virtual desktops or other things that require large screen
updates)
There is a difference, but it is entirely usable. Screen refreshs like
switching between desktops show the tiles being updated across the screen,
but it's not a real problem. Playing MP3s using xmms works nicely, with no
dropouts.
I was hoping to be able to use a SunRay at home - I have a 6Mbit
symmetrical line, and I guess a ping of around 20-30 ms.
That should work nicely.
No VPN yet though - will need to get that sorted before I can do any
testing. I'm really curious as to whether that will work.
I see no reason why it shouldn't. Just make sure when selecting your VPN
product that you can use it in network extension mode, meaning you are
able to route traffic from your internal network through the VPN client
and the concentrator into your Ray network.
In the case of the Cisco VPN, this means having to purchase a HW client
because the software client doesn't allow you to do that.
If you (or anyone else who's using SunRays from home broadband
connections) could give a little info on how the desktop "feel" is in
such a setup, I'd greatly appreciate it.
I'd say it's definitely usable.
Hope this helps,
- Markolf
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