U.S. CitiesCity-Data Forum Index
Go Back   City-Data Forum > General Forums > Science and Technology
 [Register]
Please register to participate in our discussions with 2 million other members - it's free and quick! Some forums can only be seen by registered members. After you create your account, you'll be able to customize options and access all our 15,000 new posts/day with fewer ads.
View detailed profile (Advanced) or search
site with Google Custom Search

Search Forums  (Advanced)
 
Old 05-10-2017, 12:38 PM
 
1,202 posts, read 374,095 times
Reputation: 839

Advertisements

I guess I always knew but never really thought about it, there are cables connecting the world in the oceans. Kind of crazy when you think about it. I am sure the routes are planned carefully but still, the sea floor could be miles deep, unless the cables are not touching the bottom. This might be extremely expensive and vulnerable(hostile intentional attacks and natural events).

Anyone ever think about these cables? For some reason it sort of blows my mind.

Reply With Quote Quick reply to this message

 
Old 05-14-2017, 07:41 AM
 
3,560 posts, read 1,586,888 times
Reputation: 8385
What's so strange to think about? We've been running cables under the ocean since 1858.
Reply With Quote Quick reply to this message
 
Old 05-14-2017, 07:51 AM
Bo Bo won $500 in our forum's Most Engaging Poster Contest - Tenth Edition (Apr-May 2014). 

Over $99,000 in prizes has already been given out to active posters on our forum and additional contests are planned
 
Location: San Antonio
15,759 posts, read 29,583,680 times
Reputation: 11549
They are vulnerable. If you want to read a particularly well-informed, nightmare-inducing spy novel discussing what could happen when those cables are cut, check out Breakpoint by Richard Clarke.
Reply With Quote Quick reply to this message
 
Old 05-16-2017, 01:51 AM
 
Location: Charlottesville
17,510 posts, read 18,592,501 times
Reputation: 6967
Quote:
Originally Posted by Bo View Post
They are vulnerable. If you want to read a particularly well-informed, nightmare-inducing spy novel discussing what could happen when those cables are cut, check out Breakpoint by Richard Clarke.
The vulnerability are the servers and not the cables. Just research "Denial of Service" attacks.
Reply With Quote Quick reply to this message
 
Old 05-30-2017, 08:04 PM
 
Location: Denver
2,603 posts, read 1,848,333 times
Reputation: 1359
Each of these cables have multiple redundant paths so that if one cable gets cut, the stream of info just goes through another route. Data centers are designed the same way, with multiple versions of data stored / calculated at various sites and each site having at least one back up piece of equipment the entire way up the power chain from the server to the utility source.

Virtually anything of importance on the internet has multiple layers of redundancy. Also, every time the internet is used (say a search or whatever), at some point in the path, information is traveling through a physical cable somewhere.

Another pondering question for the OP, how does the signal travel all the way across the ocean without defusing to nothing? How does the signal stay amplified?
Reply With Quote Quick reply to this message
 
Old 05-31-2017, 05:25 AM
 
26,169 posts, read 11,574,022 times
Reputation: 17113
Quote:
Originally Posted by tnff
What's so strange to think about? We've been running cables under the ocean since 1858.
Yea its interesting to think about: IF THERE IS A SMALL BREAK,how do they easily find it if its 1000s of miles out?
Reply With Quote Quick reply to this message
 
Old Yesterday, 09:26 PM
 
6,998 posts, read 7,219,035 times
Reputation: 3410
Quote:
Originally Posted by Dude111 View Post
Yea its interesting to think about: IF THERE IS A SMALL BREAK,how do they easily find it if its 1000s of miles out?
A self-healing ring, or SHR, is a telecommunications term for loop network topology, a common configuration in telecommunications transmission systems.

Submarine cables are roughly 1 pound per foot, so they are fairly heavy and rugged.
Reply With Quote Quick reply to this message
 
Old Yesterday, 10:41 PM
 
1,741 posts, read 2,681,448 times
Reputation: 2519
A cross section of undersea cable.





What gets me is how small the fiber optic cable is (it's at about ten o clock in the first pic). It's incredible how much data can travel over that small diameter cable.
Reply With Quote Quick reply to this message
 
Old Today, 09:49 AM
 
6,059 posts, read 1,244,020 times
Reputation: 7556
Quote:
Originally Posted by Pruzhany View Post
The vulnerability are the servers and not the cables. Just research "Denial of Service" attacks.
https://en.wikipedia.org/wiki/2008_s...ble_disruption

no the cables have been damaged before and took out regions
Reply With Quote Quick reply to this message
Please register to post and access all features of our very popular forum. It is free and quick. Over $68,000 in prizes has already been given out to active posters on our forum. Additional giveaways are planned.

Detailed information about all U.S. cities, counties, and zip codes on our site: City-data.com.


Reply

Quick Reply
Message:


Over $99,000 in prizes was already given out to active posters on our forum and additional giveaways are planned!

Go Back   City-Data Forum > General Forums > Science and Technology
Similar Threads

All times are GMT -6.

2005-2017, Advameg, Inc.

City-Data.com - Archive 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 - Top