[160471] in North American Network Operators' Group
Re: Will wholesale-only muni actually bring the boys to your yard?
daemon@ATHENA.MIT.EDU (Scott Helms)
Wed Feb 6 11:37:49 2013
In-Reply-To: <86vca5fluk.fsf@seastrom.com>
Date: Wed, 6 Feb 2013 11:35:35 -0500
From: Scott Helms <khelms@zcorum.com>
To: "Robert E. Seastrom" <rs@seastrom.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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 <rs@seastrom.com> wrote:
>
> Scott Helms <khelms@zcorum.com> writes:
>
> > On Wed, Feb 6, 2013 at 10:30 AM, Robert E. Seastrom <[[rs@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
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