Doesn't that almost entirely negate the cost advantages of GPON, namely, that there's a lot lower strand count and your fiber outside plant design can use passive prism splits for the transport to the actively AC powered network node?
*You realize the transport core to the gpon OLT chassis is still active fiber in many designs, right?* On Fri, Feb 12, 2016 at 7:21 PM, Josh Reynolds <j...@kyneticwifi.com> wrote: > You realize the transport core to the gpon OLT chassis is still active > fiber in many designs, right? I also am unsure if you are aware of the > upgrade process to NG-PON2 - you can run it on the same fiber strand as > your existing PON split. Add the new card into the chassis and move the > split over to the new SFP. Upgrade the customers at your leisure. > On Feb 12, 2016 9:13 PM, "Eric Kuhnke" <eric.kuh...@gmail.com> wrote: > >> Key part there is, *is going to be*... is it available or shipping >> now? If somebody wants to start a build now, the choice is between GPON or >> active. >> >> Having an active fiber path, even with just one strand (for BiDi optics) >> gives you a nearly infinite lifespan of the installed light path and cable >> plant, if things are maintained correctly. With a dedicated light path from >> each powered network node to the customer you could upgrade to active-E 10, >> then 40, then 100Gbps someday. Yes we will see customers with 10GbE optics >> in the next ten years. And maybe in 20 or 30 years from now it'll be cheap >> and easy to connect each customer with an SFP-sized coherent QPSK 100GbE >> optic at each end. >> >> On Fri, Feb 12, 2016 at 7:08 PM, Josh Reynolds <j...@kyneticwifi.com> >> wrote: >> >>> 10-40Gbps on NG-PON2 is going to be the real deal, and betting against >>> it vs active ethernet at scale for residential service is just... >>> dumb, to be honest (IMO). >>> >>> The size of your backbone ends up being monstrous with active, as well >>> as having to keep the cabinets powered, UPS+batteries, enclosurers >>> maintained, etc. PON is simply so much cheaper are scale, and in >>> residential every dollar counts. >>> >>> On Fri, Feb 12, 2016 at 8:56 PM, Eric Kuhnke <eric.kuh...@gmail.com> >>> wrote: >>> > I did forget to mention that I'm firmly on the side of activeE being >>> the >>> > best choice, for one big reason... You can use all kinds of SFP-based >>> > equipment (24/48-port 1U switches) or chassis based switches and >>> routers >>> > with 24/48-port blades from a huge variety of manufacturers. >>> > >>> > There's a lot of 48-port SFP stuff out there on the grey/refurb/used >>> market >>> > that came out of datacenters, and no longer meets the bandwidth needs >>> for >>> > people who are doing 10GbE (or 2x10GbE) to each bare metal hypervisor. >>> But >>> > that same equipment is perfect for activeE. >>> > >>> > Same idea as a Cisco 3750G-48 is no longer enough bandwidth for >>> 1000BaseT to >>> > the server in colo environments, but is perfect for MDU use. >>> > >>> > >>> > GPON/EPON/whateverPON is all a mess of manufacturer proprietary CPEs >>> and >>> > non-interoperable stuff. Whereas with activeE and a real ethernet port >>> for >>> > each customer you can use $30 media converters as your demarc. >>> > >>> > >>> > On Fri, Feb 12, 2016 at 4:53 PM, Andreas Wiatowski >>> > <andr...@silowireless.com> wrote: >>> >> >>> >> Hi all, >>> >> >>> >> Looking to do my first ftth for about 110 homes. >>> >> If I do active, what switch platform would you use for sfp in >>> cabinet and >>> >> in home router/cabinet. >>> >> >>> >> If GPon, what vendor would you choose that is cost effective/reliable >>> >> >>> >> I understand the full limitations of GPon.. But I feel it is an >>> attractive >>> >> proposition compared to active... And the few systems I have seen >>> have a >>> >> road map to faster olt access. >>> >> >>> >> Cheers, >>> >> >>> >> ______________________________ >>> >> >>> >> Andreas Wiatowski | CEO >>> >> >>> >> Silo Wireless Inc. >>> >> >>> >> Email andr...@silowireless.com >>> >> >>> >> 19 Sage Court >>> >> >>> >> Brantford, Ontario N3R 7T4 (CANADA) >>> >> >>> >> Tel +1.519.449.5656 Extension-600|Fax +1.519.449.5536 |Toll Free >>> >> +1.866.727.4138 >>> > >>> > >>> >> >>
