RE: Adoption Call for <draft-troan-6man-universal-ra-option>

Vasilenko Eduard <vasilenko.eduard@huawei.com> Wed, 22 September 2021 13:47 UTC

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From: Vasilenko Eduard <vasilenko.eduard@huawei.com>
To: "Dale W. Carder" <dwcarder@es.net>, Mark Smith <markzzzsmith@gmail.com>
CC: Fernando Gont <fernando.gont=40edgeuno.com@dmarc.ietf.org>, IPv6 List <ipv6@ietf.org>
Subject: RE: Adoption Call for <draft-troan-6man-universal-ra-option>
Thread-Topic: Adoption Call for <draft-troan-6man-universal-ra-option>
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Date: Wed, 22 Sep 2021 13:47:25 +0000
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For sure it is possible to collect logs from many network devices then aggregate.
But DHCP has a centralized facility for it with well-developed software and integration to DNS.
Ed/
-----Original Message-----
From: ipv6 [mailto:ipv6-bounces@ietf.org] On Behalf Of Dale W. Carder
Sent: Wednesday, September 22, 2021 5:31 AM
To: Mark Smith <markzzzsmith@gmail.com>
Cc: Fernando Gont <fernando.gont=40edgeuno.com@dmarc.ietf.org>; IPv6 List <ipv6@ietf.org>
Subject: Re: Adoption Call for <draft-troan-6man-universal-ra-option>

Thus spake Mark Smith (markzzzsmith@gmail.com) on Wed, Sep 22, 2021 at 08:11:35AM +1000:
> On Wed, 22 Sep 2021, 07:14 Brian E Carpenter, 
> <brian.e.carpenter@gmail.com>
> wrote:
> 
> > On 21-Sep-21 19:51, Vasilenko Eduard wrote:
> > > Hi Fernando,
> > > The idea "standardize any remaining" looks good but SLAAC and DHCP 
> > > are
> > so different by architecture that it would not be possible.
> > > Example: DHCP is the choice for all types of businesses because of
> > traceability (billing, troubleshooting, forensic) but SLAAC is 
> > silent in principle.
> >
> 
> 
> Can't find Eduard's original, so I'll comment here.
> 
> DHCPv6 and DHCPv4 were never designed for billing or forensic uses.
> 
> DHCP of both flavours does not record IP addresses in use.
> 
> DHCPv4 doesn't record manually configured IPv4 addresses. DHCPv6 
> doesn't record manually configured IPv6 addresses or link-local addresses.
> 
> The only thing DHCP keeps is a database of DHCP clients.
> 
> If you want address traceability, you need a solution that works 
> regardless of how IPv6 addresses are configured or generated, be it 
> manually, via SLAAC or via DHCPv6.

If folks are not familiar with it, there is some discussion on this in RFC7934 Section 9.1:

https://datatracker.ietf.org/doc/html/rfc7934#section-9.1

Dale

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