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Re: IANA registration constraints

Subject: Re: IANA registration constraints
From: Ralph Droms
Date: Wed, 13 Jun 2007 11:21:23 -0400
Can we please leave the specific opinions about DHCP out of this discussion?
The dhc WG has done its due diligence, with review and support from the IETF
and the IESG, to put into place processes to govern assignment of extensions
to DHCP and to accommodate future extensions to both DHCPv4 and DHCPv6 in
the option code space design.  This discussion is clearly not the place for
opinions about how future extensions to DHCP ought to be managed.

If DHCP must be brought into the discussion, please read and understand the
relevant RFCs and policies at IANA before using DHCP as a whipping

- Ralph (who's not bitter at all)

On 6/13/07 10:54 AM, "Hallam-Baker, Phillip" <[email protected]> wrote:

> That is why I think this is an area that the IAB should look at.
> I don't think we should be worried about running out of protocol numbers.
> Deployment of IPv6 and multicast pretty much demonstrate that it is a
> non-issue.
> At the application level we just need to persuade people that, no it is not
> acceptable or sustainable to have an internet architecture that is dependent
> on parsimonious assignment of IP Port or DNS RR numbers.
> Where we have a resource code consumption issue we should either declare the
> protocol essentially closed for extensions or work out a way to introduce a
> sustainable extension mechanism.
> So for example on DHCP I think it would be entirely justifiable to say 'this
> is an infrastructure for assigning IP addresses and specifying the domain name
> for the LAN and we do not therefore anticipate assignment of additional codes
> on an ongoing basis'. This does not rule out special pleading (e.g. geopriv)
> but clearly signals to people to think somewhere else.
> Alternatively if we think that every new protocol is going to need a DHCP slot
> to advertise its existence then we would have to work out a way to insert an
> extensible mechanism.
> In the case of DHCP the first approach is clearly the way to go.
>> -----Original Message-----
>> From: Jari Arkko [mailto:[email protected]]
>> Sent: Wednesday, June 13, 2007 10:38 AM
>> To: Hallam-Baker, Phillip
>> Cc: [email protected]; [email protected]
>> Subject: Re: IANA registration constraints
>> Phillip,
>>> My personal view is that we should develop an Internet
>> architecture that allows an infinite number of new protocols
>> to be deployed without consumption of scarce resources, i.e.
>> port numbers of DNS RRs.
>> ...
>>> So in summary, the IAB should be charged with identifying
>> the set of finite resources that IANA assigns and propose an
>> Internet architecture in which deployment of new application
>> layer protocols does not cause any of the finite resources to
>> be depleted.
>> I'm definitely in favor of improving the situation. And for
>> applications protocols this is probably an easier problem to
>> begin with. And as I said in the previous e-mail, as far as I
>> know, most new work uses field sizes and types that have less
>> scarcity.
>> However, the Internet runs to a large extent on protocols
>> that were designed decades ago, and some of those protocols
>> have number spaces that  are very finite. I don't want to run
>> out of protocol numbers, DHCP message types, etc.
>> Jari
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