What type of Internet do you use ?

Aiden2k13

Member
May 2, 2014
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Hi , apparently I am using cable broadband and I am on 32 mbps and I get download speed of 4 mBps . So, my friends say that my connection is shared hence I get 4 mBps ( 32 gets divided by 8 ) , so I wanna know that is it the same case for you all ? I mean does your connection also gets divided by 8 or you use 1:1 connection or lease line ? And does ur ISP provide you with a Static IP ? My ISP says that if I take lease line , I will get a unique static IP which will be only mine and wont get shared.
Forgive me if I have written something wrong, I am kinda newbie when it comes to networking, slowly learning . :)
 

matricks

Member
Nov 19, 2014
194
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You (and/or your friends) are mixing technology and math. 32 Mbps means thirty-two megabits per second. 4 MBps means four megabytes per second. One byte is eight bits. Your ISP uses bits per second to market your service, while whatever software you use measures bytes per second. This is basic math.

A shared connection means that your bandwidth is not reserved for you all the way through the ISP network. Imagine you and three others (that makes four) have the same ISP at the same address. Everyone has a 32 Mbps service. However, the ISP uplink at the termination point is only 100 Mbps. 32*4 is 128, so the ISP is selling 128 Mbps in total at this point, but can only put through 100 Mbps in practice. This means that if all four customers attempt to utilize their full bandwidth, some (likely all) will be restricted to a lower bandwidth. The reduction may not apply equally to all customers, as the properties of the actual traffic and the ISPs setup will come into play.

This is called overselling, the ISP sells more bandwidth than it can actually deliver. It is very common, and based on an expectation that not all customers will utilize all their bandwidth all the time.