[191737] in North American Network Operators' Group
Re: Request for comment -- BCP38
daemon@ATHENA.MIT.EDU (Aled Morris)
Mon Sep 26 12:31:02 2016
X-Original-To: nanog@nanog.org
In-Reply-To: <e748bc70-f59e-320c-4bf8-f96d0c252591@heliacal.net>
From: Aled Morris <aledm@qix.co.uk>
Date: Mon, 26 Sep 2016 17:28:05 +0100
To: Laszlo Hanyecz <laszlo@heliacal.net>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
On 26 September 2016 at 16:47, Laszlo Hanyecz <laszlo@heliacal.net> wrote:
>
> On 2016-09-26 15:12, Hugo Slabbert wrote:
>
>>
>> If you have links from both ISP A and ISP B and decide to send traffic
>> out ISP A's link sourced from addresses ISP B allocated to you, ISP A
>> *should* drop that traffic on the floor.
>
>
> This is a legitimate and interesting use case that is broken by BCP38.
I don't agree that this is legitimate.
Also we're talking about typical mom & pop home users here.
I'll sell you a multihoming capable service at a price that includes my
time in maintaining your bespoke configuration, but my off-the-shelf
home-user service is going to be BCP38.
Aled
