[168882] in North American Network Operators' Group
Re: SIP on FTTH systems
daemon@ATHENA.MIT.EDU (Mark Tinka)
Thu Feb 6 07:22:37 2014
From: Mark Tinka <mark.tinka@seacom.mu>
To: Mikael Abrahamsson <swmike@swm.pp.se>
Date: Thu, 6 Feb 2014 14:21:49 +0200
In-Reply-To: <alpine.DEB.2.02.1402061312140.24915@uplift.swm.pp.se>
Cc: nanog@nanog.org
Reply-To: mark.tinka@seacom.mu
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Thursday, February 06, 2014 02:15:57 PM Mikael=20
Abrahamsson wrote:
> There are more. There are models where each ISP gets its
> own customer vlan and L2 equipment do inspection of
> ARP/ND and does security filtering on L2/L3 using this
> information. There are also L3 networks where the
> traffic is source-routed out to the correct ISP, or each
> ISP gets its own VRF in the equipment and it's VRF a
> long way out.
Agree.
The models I listed are typical to an operator that runs its=20
own infrastructure (including the FTTH last mile), and does=20
not necessarily wholesale out to other operators.
I've seen certain countries that have given the incumbents=20
leeway to wholesale at the IP level, which the incumbent=20
likes because they "perceive" more control than if they had=20
to hand-off Layer 2 wholesale. In such cases, VRF's and/or=20
logical routers have been deployed.
> To the original poster. People using PPPoE for FTTH makes
> me sad. When someone suggests this, please just say "go
> back to the drawingboard, redo it right".
Agree. DHCP really is the way to go, now. Plus, there is=20
good support for IPv6 with vendors today re: DHCP-based=20
subscriber management.
Mark.
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