ISP change - how does it work ?

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50Twuncle
50Twuncle Posts: 10,763 Forumite
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edited 12 December 2018 at 12:49PM in Broadband & internet access
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  • 50Twuncle
    50Twuncle Posts: 10,763 Forumite
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    My employer (a school) has decided to change ISP's to TT Business.
    Now - BT Wholesale rate our fibre line as maximum 30Mb upsteam and 300Mbps downstream - but TTB have offered us 300Mbps Down AND Upstream
    The school is 2 miles from the exchange - so will TTB run a new fibre all of the way to the exchange or use existing BT fibre lines ? If so how do they manage to squeeze 10 times the speed out of it - compared to what BT reckon ?
  • jaybeetoo
    jaybeetoo Posts: 1,337 Forumite
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    If BT can only offer 300Mbps download and 30Mbps upload then I don't see how TTB can offer anything faster as they use the same infrastructure.

    Are you sure it is not a misprint?
  • 50Twuncle
    50Twuncle Posts: 10,763 Forumite
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    This is a fully managed leased line by the way!
  • 50Twuncle
    50Twuncle Posts: 10,763 Forumite
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    jaybeetoo wrote: »
    If BT can only offer 300Mbps download and 30Mbps upload then I don't see how TTB can offer anything faster as they use the same infrastructure.

    Are you sure it is not a misprint?

    No we have it in writing, hence the question about the routing of thre fibre itself...
  • [Deleted User]
    [Deleted User] Posts: 1,655 Forumite
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    The only way to know is to ask TalkTalk what they plan to use.
    As it is a leased line contract, it is more than likely that TalkTalk will put in new fibre.
    While the exchange may be 2 miles from the school. the TTB fibre network maybe a lot closer than that.
    Lots of network firms have metropolitan fibre networks around urban areas linking various business parks and office blocks. So the exchange distance may not be a factor at all.

    This is how Vodafone are implementing consumer FTTP in the UK by using the existing metropolitan networks created by CityFibre. They just extend out into the housing estates.
  • onomatopoeia99
    onomatopoeia99 Posts: 6,964 Forumite
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    50Twuncle wrote: »
    This is a fully managed leased line by the way!
    Important information that should have been in the question, since the speeds you stated initially are also the maximum for FTTP so the question itself introduced ambiguity. People in IT really hate it when they don't get the full picture when a question is asked, you know.

    TT may have an entirely different local point of presence from BT Wholesale, so you might be getting new fibre. Or, the fibre you have may be 1000/1000 and you're not using its full capacity. Or something else.
    Proud member of the wokerati, though I don't eat tofu.Home is where my books are.Solar PV 5.2kWp system, SE facing, >1% shading, installed March 2019.Mortgage free July 2023
  • iniltous
    iniltous Posts: 3,084 Forumite
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    edited 12 December 2018 at 11:17PM
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    What do you currently have ?, is it an EAD ( fibre leased line) from Openreach , if it is, then the max BT Wholesale could offer on that fibre is 10Gb , and it's a symmetric service (same speed up and down ) if the current service is a variation of Openreach naitive FTTP , this is more a residential product ( but nothing stopping a business using it) and that's asymmetric, faster download that upload, but TT don't offer Openreach FTTP, TT however do resell OR EAD products.
    Apart from York , TT have no local fibre network , so they use Openreach fibres and equipment to deliver fibre Ethernet services to their customers via EAD..(Ethernet Access Direct)

    Changing the speed of an EAD can be as simple as a software change to the port speed, or can require the change of the SFP's, (if the currently installed SFP's only support a lower speed) but on upgrades or changes of provider , quite often a new Openreach fibre is installed alongside the existing one, the customer moves their router/switch or whatever onto the new fibre and then they arrange for the old providers service to be ceased...but the two fibres are identical, and unless it's a resilient circuit will be in the same fibre bundle, the exchange NTU and network terminating equipment (NTE) are the same , (with the possible exception of the SFP's),
    If TT are offering 300Mb up and down and it's a Openreach EAD fibre, then any reseller including BT Wholesale could offer it if they wish as its a product from OR's portfolio
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