FTTH CPE landscape

Scott Helms khelms at ispalliance.net
Thu Aug 4 17:07:40 CDT 2011

> For residential use, for users currently requesting one public address,
> that's a waste of a /30 block (sans routing tricks requiring higher end
> customer equipment). Multiply that by the number of residential customers
> you have and that's bordering on mismanagement of your address space.
> If you're dealing with business customers, then your usage versus wasted
> ratio is much higher and less of a concern, but what's the point? Are you
> trying to cut down on a large broadcast domain?

Any rational layer 2 access gear regardless of the technology (DSL, 
FTTx, wireless, or DOCSIS) will/can handle layer 2 isolation already.

Scott Helms
Vice President of Technology
ISP Alliance, Inc. DBA ZCorum
(678) 507-5000

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