BT to invest £15.bn on broadband
16 July 2008, 01:47 PM
#1
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BT to invest £15.bn on broadband
In the news yesterday. Will mean speeds of between 40 and 60 mbps. With fibre up to the cabs, hopefully that will mean an end to reduced service at busy times.
Of course, if your nearest cab is a fair distance away........
Geezer
Of course, if your nearest cab is a fair distance away........
Geezer
16 July 2008, 04:05 PM
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Fibre optic is not a new connectivity medium, it has been in use for years although only now is it provided cheap enough to end users.
Dust plays a major part in Fibre outages, so expect this. I imagine there would be several backup patches whilst maintenance is carried out.
You cant just use a rag to clean it, it has to be milled on a very fine sander.
We have been using SAP with fibre for over 2 yrs and the speeds are incredible.
This is real broadband!
Dust plays a major part in Fibre outages, so expect this. I imagine there would be several backup patches whilst maintenance is carried out.
You cant just use a rag to clean it, it has to be milled on a very fine sander.
We have been using SAP with fibre for over 2 yrs and the speeds are incredible.
This is real broadband!
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20 July 2008, 01:25 PM
#9
Also known as daz
Lol well it is slow yeah but it is going ahead.
21CN WBC status: RFS date set : 19/05/2009
Our exchange down in cornwall.
Samknows Broadband - Exchange Search
The point of 21cn is to ditch all the old green box repeaters and have nothing but fibre optic to the exhange, the homes for now will be standard lines of course but eventually it'll be fo all the way and about time too.
BT's 21st Century network - UK rollout
I know all this as my uncle is a bt area manager.
21CN WBC status: RFS date set : 19/05/2009
Our exchange down in cornwall.
Samknows Broadband - Exchange Search
The point of 21cn is to ditch all the old green box repeaters and have nothing but fibre optic to the exhange, the homes for now will be standard lines of course but eventually it'll be fo all the way and about time too.
BT's 21st Century network - UK rollout
I know all this as my uncle is a bt area manager.
20 July 2008, 02:37 PM
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well i do know quite a bit about 21cn all i have to say is that the standard System x and y exchanges do a better job Scary thing is, that you dont need 21cn to run fibre to the street furniture, you just need different street furniture and decent SDH equipment
But the main point of 21CN was to go for a VoiP network (as well as using IP as the main protocol), it was infulenced by IT people who had no understanding of what a telecoms network acutally does, hence they left the SDH part out figuring that they wont need it, and the transit switches for the interface with other networks, a brilliant idea by useless people, hence why they are no longer working for BT
Tony
20 July 2008, 02:58 PM
#11
Also known as daz
So a pointless exercise as they same work can be carried by just updating the old equipment, what planks lol though i am glad they're losing the repeaters the amount of wiring in them is scary, it must cause them a lot of headaches.
20 July 2008, 03:16 PM
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Yup, they were going to update using conventional telecoms kit around 1999 which was more compact and less power consuming, unfortunately the new stuff is smaller than the stuff they have now (legacy) but bigger than the new stuff that the other telco's buy (and noisier, produces more heat and uses more power).
TBH when they did the first trial's, no one noticed any difference, then again about 95% of them were still on the old legacy equipment as the new "softswitches" didnt like long distance lines.....
In principle it looks good as everyone is jumping on the IP bandwagon, in practice IP type networks are small office based, not wide area type, though IP can still be useful in telecoms, ATM is still a far better protocol (SDH and most of the new equipments are either ATM though some IP carrier equipments are used nowerdays).
Tony
TBH when they did the first trial's, no one noticed any difference, then again about 95% of them were still on the old legacy equipment as the new "softswitches" didnt like long distance lines.....
In principle it looks good as everyone is jumping on the IP bandwagon, in practice IP type networks are small office based, not wide area type, though IP can still be useful in telecoms, ATM is still a far better protocol (SDH and most of the new equipments are either ATM though some IP carrier equipments are used nowerdays).
Tony
20 July 2008, 06:07 PM
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