Robert, Thanks for the information, I either missed VLAN per sub set up which does make PON L2 sharing virtually the same as AE or the version of hardware/firmware I last worked on didn't support it.
On Wed, Feb 6, 2013 at 11:28 AM, Robert E. Seastrom <r...@seastrom.com> wrote: > > Scott Helms <khe...@zcorum.com> writes: > > > On Wed, Feb 6, 2013 at 10:30 AM, Robert E. Seastrom <[[r...@seastrom.com > ]]> > > wrote: > > > > If you were talking about layer 2 handoffs, your statement > > is perhaps > > even more untrue - active ethernet and PON layer 2 handoffs are > > approximately as easy as each other. > > > > Perhaps you'd share some specifics? I certainly haven't worked on all > of the > > PON systems that are out there, but the ones I have worked one didn't > have (or > > I didn't find) a good way to separate traffic at layer 2 so that several > > operators could handle their own Layer 3 provisioning for customers on > the > > same OLT. > > Every PON OLT that I have touched has supported both vlan-per-customer > (has scaling issues) and vlan-per-service configuration abstractions. > There are other ways to do it too (double and triple tagging) but to > keep it simple if one creates profiles along the lines of: > > SP1-VOIP > SP1-VIDEO > SP1-INTARWEBZ > > and repeats for sp2, sp3, etc... trunk out the top, split off vlans > and backhaul as appropriate (choose wisely!) with appropriate QoS if > you like, to equal access provider. > > Provisioning the ONT/ONU and the inter-provider interface to do so > (REST XML? JSON? something else?) is left as an exercise to the > implementer. > > Reading this: > > https://sites.google.com/site/amitsciscozone/home/gpon/gpon-vlans-and-gem-ports > may prove informative for the GPON case. > > -r > > -- Scott Helms Vice President of Technology ZCorum (678) 507-5000 -------------------------------- http://twitter.com/kscotthelms --------------------------------