NZ ISPs - Are there different 'layers' or 'levels'?

Hi All,

I am interested in understanding the structure of the NZ ISP industry.

Am I correct in assuming that there are different 'layers' of ISPs?

For example, perhaps the following (the examples are just made up!):

Internet Backbone Connected:

- Telecom
- Telstra Clear
- Vodafone

Connected via Telecom:

- Xtra
- Orcon
- IHug
- Telecom Fibre Customers

Connected via Xtra:

- Slingshot
- ProvincialTownISP

Such that, a customer who has a DSL line with Slingshot is actually
getting a 're-sold' Xtra connection that in turn connects to the wider
world via Telecom.

Whereas a customer who buys a fibre connection from Telstra Clear
joins the internet backbone at the same 'level' as Xtra or IHug
themselves and effectively one 'level' up from an Xtra DSL customer.


Or is it totally different to that?

Thanks,

Alan.

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Thanks for that, really interesting once you work it out. ;-)