In addition to the computer-less Mumbai, India call center that was
served by a SR center in Texas (that Kent alluded to), I can attest that
as a developer I've been using a Sun Ray server that is 3000 miles away
for about 5 years now. I use it for all my edits, builds, code reviews,
and some remote testing. So that's mostly terminal windows, editors,
and some light browsing (for the code reviews). My coast-to-coast
(Central Florida to Menlo Park, CA) latency is typically 120ms. It's a
fine user experience. However, when I started 5 years ago my latency
was closer to 300ms, and that was a bit painful to use. It turned out
that 90ms of the problem was on the DSL hop to my home, and I worked
with my ISP to resolve that (they changed a DSLAM setting to turn off a
reliable-link protocol which IMO was totally unnecessary given that most
people run TCP anyway). The rest was just general improvements in the
Internet backbone over time I think. It's worth noting that today I use
a 1920x1200 resolution display, and that I hope to change soon to
3840x1200. Larger resolutions require more bw on the link for those
bursty times that you have large refreshes (e.g. changing a workspace).
Latency is generally much more important than bandwidth in providing a
good user experience. I'd say you should have a minimum of 1Mbps and
latency < 200ms for the kind of activity I do, but your values will vary
with the tasks being performed by the end users.
-Bob
Disclaimer: Opinions expressed in this mail are my own, and are not
necessarily shared by my employer
Ives, Keith-P59429 wrote:
2 part question:
- has anyone deployed sunrays long distance (i.e. coast to coast)
- if so, are there any band width requirements or other concerns
Keith Ives
Trusted Technologies Network Engineer Staff
General Dynamics
C4Systems
210 308-6367
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