Thanks EAD-LA makes sense but I kind of struggle with xDSL (unless EFM) assuming GEA is available to your locations.
If you guys want we could grab a table at lunch in Brum and see what product fits best for what you are doing and what developments might be useful. Regards, Neil Sent from my iPhone > On 16 Aug 2013, at 19:58, "Simon Lockhart" <[email protected]> wrote: > > In my case, it's a combination of xDSL unbundling, and access to EAD-LA > circuits where we have multiple MDU sites all served off the same exchange. > > In a particular case, I've got 3 exchanges in Bristol. One is the OHP, and > the other two are smaller sites, and are ASNs. They're all on the same chain. > > 1G EADs from ASN1 to OHP, and ASN2 to OHP are about 7.3k pa. > > 1G EBDs from ASN1 to OHP, and ASN2 to OHP are about 7.4k pa. > > My capacity requirements to the smaller exchanges are small enough that I > could actually run ASN1 - ASN2, then ASN2 - OHP (as they appear in the EBD > chain). > > In my simplistic head, this should be cheaper than running them both back > to OHP individually, as I'm not using up two wavelengths on the ASN2-OHP path. > > However, I also accept that this isn't how EBD has been designed. In my case, > it looks like EADs are the way forwards anyway. > > Smon > >> On Fri Aug 16, 2013 at 06:42:38PM +0000, Neil J. McRae wrote: >> Clue is in the name EBD is a backhaul product so designed to get back to >> bigger exchanges/ aggregation point - You don't get an advantage because >> it's not a roadm based solution so it OEO on every hop. Although I might be >> misunderstanding what you need - perhaps you want to break out at each hop? >> In which case it's access so EAD is the product. It's probably theoretically >> possible to use the optical solution but process etc won't be setup for it. >> >> Out of interest are you folks going into exchanges for xDSL unbundling? >> >> Regards >> Neil >> >> Sent from my iPhone >> >>>> On 16 Aug 2013, at 19:21, "Simon Lockhart" <[email protected]> wrote: >>>> >>>> On Fri Aug 16, 2013 at 05:58:04PM +0000, Neil J. McRae wrote: >>>> Openreach have EBD also - if you tell you AM to drop me a note I will see >>>> what we have where you need it - in that location we me be more limited >>>> but I >>>> can have a look. >>> >>> I've just been looking at this too, as $dayjob is starting to unbundle some >>> exchanges. >>> >>> Although EBD is wavelength based, so you have a bit more flexibility what >>> you >>> can run over it, be careful with the pricing. In my case, I found that a >>> bunch >>> of 1G EADs between exchanges was cheaper than running 1G EBD's. And, one >>> frustration with EBD - it's all based around chains between the ASN's (i.e. >>> smaller exchanges) and OHP's (i.e. major exchanges). In my case, I've got >>> two >>> exchanges which are on the same chain back to an OHP where I also have a >>> presence - but I don't seem to be able to take advantage of the "chain" - >>> just >>> buy a wave from each ASN back to the OHP. >>> >>> GEO do have fibre into quite a lot of the BT exchanges - they provide >>> backhaul >>> for one of the major LLU providers - and will sell you wavelengths (albeit >>> on >>> your own dedicated fibres). >>> >>> SSE are starting to dig fibre into a bunch more BT exchanges, and you might >>> find that Aberdeen is on the list as it's their stomping ground. >>> >>> Alternatively, the likes of Enta or Expo-E have presence in a number of BT >>> Exchanges (particularly in cities). >>> >>> Simon > > -- > Simon Lockhart | * Server Co-location * ADSL * Domain Registration * > Director | * Domain & Web Hosting * Connectivity * Consultancy * > Bogons Ltd | * http://www.bogons.net/ * Email: [email protected] * >
