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Video: Inside the beach house connecting the world's internet (submarine internet cables)
Posted on 6/3/18 at 1:53 am
Posted on 6/3/18 at 1:53 am
3
Posted on 6/3/18 at 7:48 am to Street Hawk
Pretty cool video. I knew about the cables but didn't know how small they actually are.
Posted on 6/3/18 at 9:07 am to Street Hawk
This is pretty neat, I always thought this was carried out with hundreds of strands of fiber but from the video is only looks like a handful.
Posted on 6/3/18 at 11:27 am to OSoBad
The logistics of running a cable along the BOTTOM of the freaking ocean floor for thousands of miles that doesn't snap or come apart has always blown my mind.
Eta if the cable snaps somewhere in the middle of the Atlantic can you even find the break?? And if you can how do you get that far underwater and find the 2 ends to repair it?
Subs can't go that far down right?
Eta if the cable snaps somewhere in the middle of the Atlantic can you even find the break?? And if you can how do you get that far underwater and find the 2 ends to repair it?
Subs can't go that far down right?
This post was edited on 6/3/18 at 11:30 am
Posted on 6/3/18 at 10:56 pm to CAD703X
quote:
Eta if the cable snaps somewhere in the middle of the Atlantic can you even find the break?? And if you can how do you get that far underwater and find the 2 ends to repair it?
Subs can't go that far down right?
I think you drop another line across the ocean for cheaper.
Posted on 6/4/18 at 7:54 am to Street Hawk
More details about how the cables work. Interesting stuff. LINK
Posted on 6/4/18 at 8:11 am to humblepie
Part 2 needs to be on a ship explaining how they repair cable breaks.Posted on 6/4/18 at 8:43 am to humblepie
thanks for that link quote:
At greater depths, though, areas such as the West European Basin, which is almost three miles from the surface, there’s no need for armour, as merchant shipping poses no threat at all to cables on the seabed.
quote:
At these depths, cable diameter is just 17mm, akin to a marker pen encased by a thick polyethylene insulating sheath. A copper conductor surrounds multiple strands of steel wire that protect the optical fibres at the core, which are inside a steel tube less than 3mm in diameter and cushioned in thixotropic jelly. Armoured cables have the same arrangement internally but are clad with one or more layers of galvanised steel wire, which is wrapped around the entire cable.
quote:
One of these transatlantic subsea cables has 148 amplifiers, while the other slightly longer route requires 149.
quote:
Needless to say, the amplifiers are designed to be maintenance-free for 25 years, as you’re not going to be sending divers down to change a fuse.
Pic of cable with one of the amplifiers being deployed.
fricking engineers.
This post was edited on 6/4/18 at 8:49 am
Posted on 6/4/18 at 8:50 am to CAD703X
And here's the answer
Damn fiber you scary.
quote:
Once the cable has been found and returned to the cable-repair ship, a new piece of undamaged cable is attached. The ROV [remotely operated vehicle] then returns to the seabed, finds the other end of the cable and makes the second join. It then uses a high-pressure water jet to bury the cable up to 1.5 metres under the seabed,” he says.
“Repairs normally take around 10 days from the moment the cable repair ship is launched, with four to five days spent at the location of the break. Fortunately, such incidents are rare: Virgin Media has only had to deal with two in the past seven years.”
quote:
Currently, each of the four pairs has a capacity of 10 terabits per second (Tbps), amounting to a total of 40Tbps on the TGN-A cable. At the time, a figure of 8Tbps was the current lit capacity on this Tata network cable. As new customers come on stream they’ll nibble away at the spare capacity, but we're not about to run out: there’s still 80 percent to go, and another encoding or multiplexing enhancement will most likely be able increase the throughput capabilities in years to come.
Damn fiber you scary.
This post was edited on 6/4/18 at 8:57 am
Posted on 6/4/18 at 10:48 am to CAD703X
quote:
Currently, each of the four pairs has a capacity of 10 terabits per second (Tbps), amounting to a total of 40Tbps on the TGN-A cable.
One can only imagine the quality of porn you can stream on that.
Posted on 6/4/18 at 10:50 am to foshizzle
quote:
One can only imagine the quality of porn you can stream on that.
would be VERY interested to see how much of the bandwidth is CURRENTLY consumed by porn.
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