ציטוט Hetz Ben Hamo:
All went well, with 1 "tiny" problem: lets look at a snip of the
traceroute from my house to bluehost:
4 ge9-0.gw1.hfa.nv.net.il (212.143.8.209) 38.486 ms
ge0-1.gw2.hfa.nv.net.il (212.143.8.212) 39.195 ms
ge9-0.gw1.hfa.nv.net.il (212.143.8.209) 40.675 ms
5 pos5-4.brdr1.nyc.nv.net.il (212.143.12.35) 253.237 ms
pos1-0.brdr1.nyc.nv.net.il (212.143.12.13) 247.734 ms
pos5-4.brdr1.nyc.nv.net.il (212.143.12.35) 255.950 ms
6 Gigabitethernet4-0.GW12.NYC4.ALTER.NET (157.130.25.37) 450.531 ms
435.170 ms 437.170 ms
hmm, 435 ms at Gigabitethernet4-0.GW12.NYC4.ALTER.NET, thats a no-no
for video streaming, whether it's in Flash video using HTTP or using
Macromedia streaming server.
However, this will be the standard RTT for international links whose
routes go
Israel->Europe->US. This is not something to do with business package, but
with what link you are routed through.
I could disconnect from Netivision within a minute, but my problem is
that lots of my readers and viewers are coming from Israel and they
are connected to Netvision, which means that they will have a problem
to watch any video clip without a severe buffering problems.
First of all, there are other ISPs in Israel, to which Netvision is
connected via multiple
gigabit links, so they will have no problem watching your video. NV are
connected to
the big 2 (SmileComm - aka 012+I Zahav - and BezeqINT) via multiple
gigabit links.
As for video, the most important factor is jitter, rather than RTT. I
am not saying that
a link with 20ms delay vs. a link with 1500ms delay are the same,
however, the
universities run video conferences with multiple users in different
countries, both
europe and US, and it works fine.
The problem with ISPs usually is the fact they overbook their
international connectivity,
which means that their links are at 80-90% most of the time, which
creates peaks
of 100%, and this creates high jitter on the link.
--Ariel
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