On 23 March 2012 13:31, Aled Morris al...@qix.co.uk wrote:
On 23 March 2012 11:53, Eugen Leitl eu...@leitl.org wrote:
All three cables are being laid for the same reasons: Redundancy and speed.
As it stands, it takes roughly 230 milliseconds for a packet to go from
London to Tokyo; the new
Tei oscar.vi...@gmail.com wrote on 03/26/2012 06:16:53 AM:
I imagine a easier solution. Use a random number generator in both
sides, with the same seed. Then use a slower way to send packets
re-sync that will contain the delta from the generated number, to the
real actual number.
I
On Mon, 26 Mar 2012 12:16:53 +0200, Tei said:
I imagine a easier solution. Use a random number generator in both
sides, with the same seed. Then use a slower way to send packets
re-sync that will contain the delta from the generated number, to the
real actual number.
Congrats. You've just
On Mar 23, 2012, at 2:45 PM, Jeroen van Aart jer...@mompl.net wrote:
valdis.kletni...@vt.edu wrote:
The massive drop in latency is expected to supercharge algorithmic stock
market trading, where a difference of a few milliseconds can gain (or lose)
millions of dollars.
But it should be
On Mon, 26 Mar 2012 08:59:34 -0400, Rodrick Brown said:
HIgh frequency trading does provide a service to the financial markets as a
whole despite what the media and government politicians will have you think.
OK, I'll bite. What benefit does the market *as a whole* get from the ability
to do
On Mar 26, 2012, at 9:32 AM, valdis.kletni...@vt.edu wrote:
On Mon, 26 Mar 2012 08:59:34 -0400, Rodrick Brown said:
HIgh frequency trading does provide a service to the financial markets as a
whole despite what the media and government politicians will have you think.
OK, I'll bite. What
On 3/24/12 01:32 , George Bonser wrote:
If they could armor the cable sufficiently perhaps they could drill the
straigh line path through the Earth's crust (mantle and outer core) and
do London-Tokyo in less than 10,000km.
Current record depth of a borehole is under 12,500 meters which is a
Hey $1.5Bn would get you less than half of Spotify right now, so it seems
like a good deal.
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On 24/03/2012 00:32, George Bonser wrote:
I suggested this once when it was decided that the latency from
California to the UK was too high and that I should reduce it. The
company wouldn't go for it, though.
I assume they had a practical alternative to your proposition? Perhaps
making light
On Sat, Mar 24, 2012 at 12:51 AM, George Herbert
george.herb...@gmail.com wrote:
On Fri, Mar 23, 2012 at 7:11 PM, Marshall Eubanks
marshall.euba...@gmail.com wrote:
On Fri, Mar 23, 2012 at 5:14 PM, valdis.kletni...@vt.edu wrote:
On Fri, 23 Mar 2012 13:16:59 -0700, George Herbert said:
The
On 23 March 2012 11:53, Eugen Leitl eu...@leitl.org wrote:
All three cables are being laid for the same reasons: Redundancy and speed.
As it stands, it takes roughly 230 milliseconds for a packet to go from
London to Tokyo; the new cables will reduce this by 30% to 170ms. This
speed-up will
Vitkovsky, Adam (avitkovsky) writes:
Can't wait for the neutrino SFPs :)
You know the shipping cost on a 2 light year thick lead SFP ?
-Original Message-
From: Vitkovsky, Adam [mailto:avitkov...@emea.att.com]
Sent: 23 March 2012 12:57
To: Aled Morris; Eugen Leitl
Cc: NANOG list
Subject: RE: $1.5 billion: The cost of cutting London-Tokyo latency by
60ms
That is why there's this neutrinos project It's not faster
On Fri, 23 Mar 2012 12:53:45 +0100, Eugen Leitl said:
http://www.extremetech.com/extreme/122989-1-5-billion-the-cost-of-cutting-london-toyko-latency-by-60ms
Lower latency is good...
The massive drop in latency is expected to supercharge algorithmic stock
market trading, where a difference of
Or
http://en.wikipedia.org/wiki/Ansible
That's what came to my mind when I first heard about quantum entanglement just
to learn that there's really small chance we could ever use it for communication
adam
-Original Message-
From: Leigh Porter [mailto:leigh.por...@ukbroadband.com]
Sent:
On 3/23/12 14:47 , valdis.kletni...@vt.edu wrote:
On Fri, 23 Mar 2012 12:53:45 +0100, Eugen Leitl said:
http://www.extremetech.com/extreme/122989-1-5-billion-the-cost-of-cutting-london-toyko-latency-by-60ms
Lower latency is good...
The massive drop in latency is expected to supercharge
On 23/03/2012 15:16, Joel jaeggli wrote:
Notwithstanding how bad an idea high speed trading from the vantage
point of those who don't participate in it, 60ms would place you at a
competitive disadvantage to traders that are collocated at or near the
exchange, such that if you're engaged in an
Hello,
On Fri, 23 Mar 2012 15:52:21 +
Nick Hilliard n...@foobar.org wrote:
I'd be quite interested in seeing the MTTR for a sub-ice cable break which
happened in late october.
Maybe that's the reason they want to build three with different paths ;)
Paul
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On Fri, Mar 23, 2012 at 10:21 AM, valdis.kletni...@vt.edu wrote:
On Fri, 23 Mar 2012 15:56:46 -, Brandon Butterworth said:
I'd be quite interested in seeing the MTTR for a sub-ice cable break which
happened in late october.
More fun too when we get global warming under control and
On Fri, Mar 23, 2012 at 8:53 AM, Vitkovsky, Adam
avitkov...@emea.att.com wrote:
That is why there's this neutrinos project
It's not faster than the speed of light though it can shoot through the Earth
and no cables cost involved
So far the speed is 0.1 bit per sec
I bet for $ 1.5 billion
valdis.kletni...@vt.edu wrote:
The massive drop in latency is expected to supercharge algorithmic stock
market trading, where a difference of a few milliseconds can gain (or lose)
millions of dollars.
But it should be illegal to run a stock market that volatile. This can't end
well.
The
The physics is not conducive to improving the situation a lot.
There's probably $1.5 billion in the ground already in neutrino
detectors; the total combined detector bit rate is pretty poor. One
experiment looking at neutrinos coming off the Fermilab accelerator
had 473 million accelerator
- Original Message -
From: Phil Regnauld regna...@nsrc.org
Subject: Re: $1.5 billion: The cost of cutting London-Tokyo latency by 60ms
Vitkovsky, Adam (avitkovsky) writes:
Can't wait for the neutrino SFPs :)
You know the shipping cost on a 2 light year thick lead SFP ?
Ah...
On Fri, 23 Mar 2012 13:16:59 -0700, George Herbert said:
The physics is not conducive to improving the situation a lot.
There's probably $1.5 billion in the ground already in neutrino
detectors; the total combined detector bit rate is pretty poor. One
experiment looking at neutrinos coming
You guys joke but here is n little article from last week on the current
state of Neutrino communications:
http://www.economist.com/node/21550242
The neutrinos themselves are created by smashing bunches of protons into
a target made of graphite. They are detected roughly 1km away by
Jeroen van Aart jer...@mompl.net wrote:
valdis.kletni...@vt.edu wrote:
The massive drop in latency is expected to supercharge algorithmic stock
market trading, where a difference of a few milliseconds can gain (or lose)
millions of dollars.
But it should be illegal to run a stock
From the abstract: The link achieved a decoded data rate of 0.1
bits/sec with a bit error rate of 1% over a distance of 1.035 km,
including 240 m of earth.
http://arxiv.org/pdf/1203.2847v1.pdf
For practical communications, at longer distances, you probably lose
beam intensity as a 1/R^2
On Fri, Mar 23, 2012 at 11:52 AM, Nick Hilliard n...@foobar.org wrote:
On 23/03/2012 15:16, Joel jaeggli wrote:
Notwithstanding how bad an idea high speed trading from the vantage
point of those who don't participate in it, 60ms would place you at a
competitive disadvantage to traders that are
If they could armor the cable sufficiently perhaps they could drill the
straigh line path through the Earth's crust (mantle and outer core) and
do London-Tokyo in less than 10,000km.
Aled
I suggested this once when it was decided that the latency from California to
the UK was too high and
I'd be quite interested in seeing the MTTR for a sub-ice cable break
which happened in late october.
Nick
Well, you won't have to worry about people dragging anchor across the cable.
Other than earthquake or volcanic eruption, I can't imagine what would damage a
cable that time of year
On Fri, Mar 23, 2012 at 5:14 PM, valdis.kletni...@vt.edu wrote:
On Fri, 23 Mar 2012 13:16:59 -0700, George Herbert said:
The physics is not conducive to improving the situation a lot.
There's probably $1.5 billion in the ground already in neutrino
detectors; the total combined detector bit
On Fri, Mar 23, 2012 at 7:11 PM, Marshall Eubanks
marshall.euba...@gmail.com wrote:
On Fri, Mar 23, 2012 at 5:14 PM, valdis.kletni...@vt.edu wrote:
On Fri, 23 Mar 2012 13:16:59 -0700, George Herbert said:
The physics is not conducive to improving the situation a lot.
There's probably $1.5
On 3/23/12 19:45 , Jeroen van Aart wrote:
valdis.kletni...@vt.edu wrote:
The massive drop in latency is expected to supercharge algorithmic stock
market trading, where a difference of a few milliseconds can gain (or
lose)
millions of dollars.
But it should be illegal to run a stock market
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