[143292] in North American Network Operators' Group
Re: FTTH CPE landscape
daemon@ATHENA.MIT.EDU (Owen DeLong)
Fri Aug 5 13:12:19 2011
From: Owen DeLong <owen@delong.com>
In-Reply-To: <11022682.565.1312553441324.JavaMail.root@benjamin.baylink.com>
Date: Fri, 5 Aug 2011 10:06:38 -0700
To: Jay Ashworth <jra@baylink.com>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Aug 5, 2011, at 7:10 AM, Jay Ashworth wrote:
> ----- Original Message -----
>> From: "Owen DeLong" <owen@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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