True, but if your end-to-end loop tester sees a good path, you can be pretty sure that the pair is clean end-to-end.
Owen On Jul 22, 2014, at 14:07 , Scott Helms <khe...@zcorum.com> wrote: > My experience is completely opposite though admittedly this may be because > of the specific projects and cities I've worked with. In all the cases > I've been involved with giving the ISPs layer 2 responsibility led to a > never ending stream of finger pointing. I'd also say that just because > your TDR doesn't see a reflection does not mean you have a clean path. > > > Scott Helms > Vice President of Technology > ZCorum > (678) 507-5000 > -------------------------------- > http://twitter.com/kscotthelms > -------------------------------- > > > On Tue, Jul 22, 2014 at 5:01 PM, Mikael Abrahamsson <swm...@swm.pp.se> > wrote: > >> On Tue, 22 Jul 2014, Ray Soucy wrote: >> >> The equipment is what makes the speed and quality of service. If you >>> have shared infrastructure for L2 then what exactly differentiates a >>> service? More to the point; if that equipment gets oversubscribed or gets >>> neglected who is responsible for it? I don't think the municipality or >>> public utility is a good fit. >>> >> >> I can also tell from experience in this area, that having the muni active >> network in between you as a customer, and the ISP, makes for no fun fault >> finding. The ISP is blind to what's going on, and you have a commercial >> relationship with the ISP. Their subcontractor, ie the L2 network, needs to >> assist in qualified fault management, and they usually don't have the skill >> and resources needed. >> >> Running an L1 network is easier because most of the time the only thing >> you need to understand is if the light is arriving and how much of it, and >> you can easily check this with a fiber light meter. Running L2 network, >> perhaps even with some L3 functions to make multicast etc more efficient, >> is not as easy to do as it might sound considering all factors. >> >> -- >> Mikael Abrahamsson email: swm...@swm.pp.se >>
