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Standard User Seansmit17
(eat-sleep-adslguide) Sat 18-Aug-12 18:18:52
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Exchange Backhaul/Connections


[link to this post] 		 
Ive always wondered how the telephone exchanges are linked to the BT network.

How fast those links are etc.

Does anyone know this info?

TalkTalk 24Mb 24575/1019
BT 8Mb
Virgin 50Mb
BT 7Mb

Other ISP's used over the years: AOL Supanet Pipex Tiscali Eclipse Zen
Standard User ukhardy07
(experienced) Sat 18-Aug-12 18:30:47
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Re: Exchange Backhaul/Connections


[re: Seansmit17] [link to this post] 		 
It all depends really. I'm not sure of the exact workings but many exchanges are 'daisy chained' together before hitting the big pipe. So your local exchange may link to a local exchange before finally hitting a big backhaul pipe.

When I was having issues Sky told me that my exchange was daisy chained to Kingston and that 7 exchanges were daisy chained to this exchange. Here was the large backhaul pipe for all of the exchanges. Obviously this means that a backhaul issue at Kingston would probably affect me here (around 15 miles away).
Standard User partial
(regular) Wed 22-Aug-12 21:07:19
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Re: Exchange Backhaul/Connections


[re: ukhardy07] [link to this post] 		 
LLU providers will daisy chain ethernet circuits rented from BT, C&W NTL etc back to their core. BT Wholesale will plug straight into their monster core


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