FTTH CPE landscape

Fri Aug 5 17:06:38 UTC 2011

On Aug 5, 2011, at 7:10 AM, Jay Ashworth wrote:

> ----- Original Message -----
>> From: "Owen DeLong" <owen at delong.com>
> 
> 
>> A transparent router (sorry, poor choice of terminology on my part) is
>> a router
>> which doesn't NAT or become selectively opaque (firewall). In other
>> words,
>> it forwards packets and it doesn't do any other arbitrary things to
>> them at the
>> whim of the ISP, but, rather passes along what the customer gives it
>> to the
>> ISP and vice versa without interference.
>> 
>> It differs from a bridge in that it terminates the collision and
>> broadcast domains
>> on either side of it.
> 
> It differs from a bridge in that *it requires a chunk of routable IP space
> to put behind it*, and a route to go there.  For the specific situation
> I posited, a consumer connection, you can get a static IP, but you *will
> not* get routable space; you have to go to a business connection for that,
> at 2-4 times the cost.
> 

That really depends on the ISP, doesn't it?

Owen

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