nanog mailing list archives

Re: Comcast IPv6 Trials


From: Tim Durack <tdurack () gmail com>
Date: Thu, 28 Jan 2010 16:48:54 -0500

On Thu, Jan 28, 2010 at 4:42 PM, Chris Gotstein <chris () uplogon com> wrote:
Typically the CPE address is private, not sure why they would use a
public IP.  The MTA (VoIP) part of the modem would need a public IP if
it was talking to a SIP server that was not on the same network.  Most
smaller cable system outsource their VoIP to a reseller with a softswitch.

It's not necessarily "public", just globally unique. Some companies
have more than 17,891,328 devices they want to manage in a centralized
fashion.

-- 
Tim:>


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