And make sure they tell you when they re-route the fibre! Just remember though - lit fibre is a service, dark fibre is just piece of infrastructure - operating modes are hugely different.
Regards, Neil Sent from my iPhone > On 19 Aug 2015, at 21:24, James Bensley <[email protected]> wrote: > >> On 18 August 2015 at 17:53, Charl Tintinger <[email protected]> wrote: >> Hi, >> >> Just curious, is there some form of guideline in terms of the typical >> difference or ratio between someone selling lit versus dark / darc fibre? >> >> If for example I was being charged £50K a year for a service from AN Other >> provider for 1Gig (example, sub 40kms) and I had the option to get a service >> from them that was unlit and unmanaged, what would I expect to pay? >> >> Thanks > > What are you doing to do with it? If you shine light down the fibre > yourself you can use WDM to increase the ROI on that fibre. If you buy > a Layer 2 service for example from a carrier you can't scale along the > same axis. If you are buying multiple cores the price formulae > changes. > > Someone already mentioned the fibre tax, which is a sting. > > Generally I would expect lit fibre to be cheaper depending on what you > are buying exactly. If you are buying a layer 2 ethernet circuit (just > a pseudowire for example) from a carrier that is usually way cheaper > than dark fibre. If you are buying a wavelength then there isn't > usually a massive difference. Don't forget though if you have to lite > it yourself that could encure loads of a extra capex, depending on > what you want to do with it. > > Have you considered the diversity of the fibre? If you want a > resiliant service (in the future, or maybe this is a second circuit to > go alongside an existing one) it's usually cheaper to get another > layer 2 service from another provider who is using differnt ducting et > al. to get path and carrier resilaince (always check with a > microscope fibre routes, often the person selling the fibre/circuit is > mistaken when comes to ducts entering a building that end up sharing > with other providers). > > Cheers, > James. >
