On Oct 23, 2011, at 10:58 AM, Tzafrir Cohen wrote:
(And for those of you who ask why those stupid folks use a GPS to
messure the distance and don't messure it accurately once: the ground
around the Alps moves. And the distance has changed over the course of
the experiment)
So lighttpd is still safe, I guess.
This is all based on the assumption that the distance between two
points on the internet is a straight line.
It's not.
Best example is that anyone using an Israeli ISP knows that they
connect from Israel to the UK and from the UK to the US and if you
geolocate to a closer server, such as Italy or Turkey you get horrible
performance.
I complained to the people that provided the geolocation data, but
they told me they only listed where you were and it was up to their
customer to decide which servers were close or not. Since I was not
going to complain to hundreds of server operators, I gave up.
I once tried to listen to a web feed of an English language radio
station in Ramallah. The feed went from Ramallah to South Africa and
was sent out from there, and to reach me from the South African
server, packets had to travel from there to Germany, from Germany to
the US, from the US to the UK and then to me. I have no idea of how
many unlisted hops were in between.
I've used SAMBA over SSH tunneling for relatively local connection,
e.g. an Israeli cellular modem to an Israeli land line ISP to my
system, but I have no idea of how it would work across international
lines.
Except for latency, if you spent the money for dedicated decent upload
bandwidth, say 10m bits per second, you could get a reasonable
connection, and the latency would not be too bad. On the other hand
you can buy a lot of dedicated US servers and aDSL lines to sync them
with for that money.
Geoff.
--
Geoffrey S. Mendelson, N3OWJ/4X1GM
My high blood pressure medicine reduces my midichlorian count. :-(
_______________________________________________
Linux-il mailing list
Linux-il@cs.huji.ac.il
http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
