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Hi, if data travels over the internet as binary code then why it takes a long time to download a movie?
05-27-2014, 06:07 PM
Post: #1
Hi, if data travels over the internet as binary code then why it takes a long time to download a movie?
I Know all of processes through which a file goes in order to transfer from the sender to the receiver. It eventually get converted to a binary code, and then the binary codes get transmitted. If it is all about that then, why on earth it takes a long time to download a 1G movie? please correct me if misunderstood something! thanks

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05-27-2014, 06:11 PM
Post: #2
 
Because 1G of binary is a lot of binary. And your internet speeds will affect download times.

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05-27-2014, 06:15 PM
Post: #3
 
its your internet speed, if a 1 GB movie is 1,073,741,824 bytes and your ISP limits you to 250,000 bytes per second then it will take 1.5 hours. it is your ISP that is slowing your internet speed down... if you had fiber (which is 1GB per second in speed) the the movie would be done in one second
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05-27-2014, 06:19 PM
Post: #4
 
The zeroes and ones (binary code) are called bits.
8 bits is one byte.
1024 bytes is one kB (kiloByte).
1024 kB is one MB (MegaBytes).
1024 MB is one GB (GigaBytes).
1024 GB is one TB (TeraBytes).

So you're basically downloading 8*1024*1024*1024=8.589.934.592 ones and zeroes (= bits)(or 1.073.741.824 bytes).
That's all for the binary part.


It mostly depends on your internet speed.
When your internet company advertises a download speed of 20MB/s, it will take 51.2 seconds to download. But usually the real internet speed is lower, something like 18MB/s. Then it would take 56,9 seconds to download. And if you've got a connection of 2MB/s, it would take you 512 seconds (which is 8.5 minutes).

It really depends on how fast (or slow) your internet connection is.
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05-27-2014, 06:35 PM
Post: #5
 
Hi,

You just want to know why if "data is data", what's so extra about movies instead of say a text message.

It's not the data that's being sent through Your internet (WAN connection between computers) that's the problem ... it's the software You're using to go get the movie with.

Yes, "data is data" ... but when You use certain software it performs checks like filetypes, program used to create the data, DRM legalities, login procedures on however many other computers it needs to contact, and a lot of other information that builds the data's "packet" on each syste it passes through between You and wherever it's stored online.

It's like all the drug-dealer movies ever made, each guy in between the countries wants to get his cut and make it clear he was involved to the bosses.



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05-27-2014, 06:37 PM
Post: #6
 
Blend with the above concepts:
Large files (broken into "packets" and sent over TCP/iP) must go thru many 'steps' ("handshakes") before arriving at the destination iP.
Dropped packets must be resent; packets may arrive 'out-of-sequence' causing delay in final rendering; routing over the 'Net can get slowed down at any given node; your iSP may be "throttling down" certain file ports (P-2-P); and many other things.
It's a wonder it even works as well as it does sometimes.

See this summation of how the TCP/IP works: https://www.grc.com/sn/sn-380.htm
Use wordfind (ctrl + F) with this phrase to skip the non-relevant text: " So, DTLS " and dive right in. A bit tech heavy so get your mind right before commencing.
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