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Date: Tue, 5 May 2015 16:59:49 +0300
From: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
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Subject: Re: [Hipsec] WGLC: draft-ietf-hip-rfc5205-bis
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Thanks for the review, Tom.

Julien, could you please look into Tom's comments and address them in a
new revision of the draft?

Thanks,

Gonzalo

On 04/05/2015 5:23 PM, Tom Henderson wrote:
> On 04/17/2015 03:47 AM, Gonzalo Camarillo wrote:
>> Hi,
>>
>> I would like to start a WGLC on the following draft. This WGLC will end
>> on May 4th:
>>
>> https://datatracker.ietf.org/doc/draft-ietf-hip-rfc5205-bis/
>>
>> Please, send your comments to this list.
>>
>> Thanks,
>>
>> Gonzalo
> 
> I had a fresh read of this specification and have the following comments.
> 
> (possibly) technical
> --------------------
> 
> RFC 7401 specifies ECDSA and ECDSA_LOW as separate algorithm types, but
> this document only mentions ECDSA.  For alignment with RFC 7401, I
> suggest to replace references to "ECDSA" with "ECDSA and ECDSA_LOW" as
> appropriate (it seems to me that they can reuse the same codepoint).
> 
> I could not find discussion about TTL considerations; are there any?  If
> there are no special considerations about TTL, caching, and how records
> may be updated, perhaps it would be helpful to state this (and possibly
> reference the specification that describes how to expire resource records).
> 
> The document doesn't seem to have any discussion of what to do when a
> host wants to register more than one host identity.  I suggest something
> along the lines of "there may be multiple HIP RRs associated with a
> single name.  It is outside the scope of this specification as to how a
> host chooses from between multiple RRs when more than one is returned.
> The RVS information may be copied and aligned across multiple RRs, or
> may be different for each one; a host SHOULD check that the RVS used is
> associated with the HI being used, when multiple choices are present."
> 
> editorial
> ---------
> 
> IANA considerations could be made more explicit about exactly what we
> are requesting IANA to do; e.g., "the reference to the RR type code
> should be updated from RFC 5205 to this specification."  and "this
> document requests that IANA allocate a new codepoint for 'ECDSA and
> ECDSA_LOW' in the existing registry for IPSECKEY RR."
> 
> Suggest to replace "Singly" with "Single" and "degenerated" with
> "degenerate".
> 
> 
> 
> 
> 


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Thanks for this review as well, Tom.

Julien, Lars, could you please address Tom's comments in a new revision
of the draft?

Thanks,

Gonzalo

On 05/05/2015 2:02 AM, Tom Henderson wrote:
> On 04/17/2015 03:47 AM, Gonzalo Camarillo wrote:
>> Hi,
>>
>> I would like to start a WGLC on the following draft. This WGLC will end
>> on May 4th:
>>
>> https://datatracker.ietf.org/doc/draft-ietf-hip-rfc5204-bis/
>>
>> Please, send your comments to this list.
>>
>> Thanks,
>>
>> Gonzalo
>>
>> _______________________________________________
>> Hipsec mailing list
>> Hipsec@ietf.org
>> https://www.ietf.org/mailman/listinfo/hipsec
>>
> 
> Here are a few questions/comments on this draft.
> 
> Technical
> ---------
> Section 4.3.3 (including VIA_RVS) seems to conflict with 4.2.3 (VIA_RVS
> parameter definition).  Section 4.3.3 states that VIA_RVS is mandatory
> if the I1 arrived via a RVS, but 4.2.3 says that the responder MAY
> choose to send it for debugging purposes.
> 
> Another point regarding Section 4.2.3:  it states that the responder may
> include "a subset of the IP addresses of its RVSs in some of the
> packets."  What use cases are there for including more than a single RVS
> address (the one that was used)?   Would more than one RVS ever need to
> be traversed between initiator and responder?  I don't think the draft
> supports such security relationships, so perhaps it would be best to
> explicitly say it is out of scope.
> 
> Editorial
> ----------
> Section 6 (IANA) needs to be updated to request the new action items of
> IANA, not the ones previously asked when 5204 was published.
> Accordingly, IANA is not assigning new Parameter Types but instead this
> draft should request that IANA update the reference for these three
> types from 5204 to this document.  The same holds for the Registration
> Type value.
> 
> - Tom


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Thanks for the review Tom, we will address your WGLC comments ASAP.

--julien

On Tue, May 5, 2015 at 7:01 AM, Gonzalo Camarillo
<Gonzalo.Camarillo@ericsson.com> wrote:
> Thanks for this review as well, Tom.
>
> Julien, Lars, could you please address Tom's comments in a new revision
> of the draft?
>
> Thanks,
>
> Gonzalo
>
> On 05/05/2015 2:02 AM, Tom Henderson wrote:
>> On 04/17/2015 03:47 AM, Gonzalo Camarillo wrote:
>>> Hi,
>>>
>>> I would like to start a WGLC on the following draft. This WGLC will end
>>> on May 4th:
>>>
>>> https://datatracker.ietf.org/doc/draft-ietf-hip-rfc5204-bis/
>>>
>>> Please, send your comments to this list.
>>>
>>> Thanks,
>>>
>>> Gonzalo
>>>
>>> _______________________________________________
>>> Hipsec mailing list
>>> Hipsec@ietf.org
>>> https://www.ietf.org/mailman/listinfo/hipsec
>>>
>>
>> Here are a few questions/comments on this draft.
>>
>> Technical
>> ---------
>> Section 4.3.3 (including VIA_RVS) seems to conflict with 4.2.3 (VIA_RVS
>> parameter definition).  Section 4.3.3 states that VIA_RVS is mandatory
>> if the I1 arrived via a RVS, but 4.2.3 says that the responder MAY
>> choose to send it for debugging purposes.
>>
>> Another point regarding Section 4.2.3:  it states that the responder may
>> include "a subset of the IP addresses of its RVSs in some of the
>> packets."  What use cases are there for including more than a single RVS
>> address (the one that was used)?   Would more than one RVS ever need to
>> be traversed between initiator and responder?  I don't think the draft
>> supports such security relationships, so perhaps it would be best to
>> explicitly say it is out of scope.
>>
>> Editorial
>> ----------
>> Section 6 (IANA) needs to be updated to request the new action items of
>> IANA, not the ones previously asked when 5204 was published.
>> Accordingly, IANA is not assigning new Parameter Types but instead this
>> draft should request that IANA update the reference for these three
>> types from 5204 to this document.  The same holds for the Registration
>> Type value.
>>
>> - Tom
>
> _______________________________________________
> Hipsec mailing list
> Hipsec@ietf.org
> https://www.ietf.org/mailman/listinfo/hipsec


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Date: Tue, 5 May 2015 17:09:31 -0700
Message-ID: <CAE_dhjvYAPuiqj+xkVqiWugPpYz+mFV+nhTeRo7PYm5AnNFbPA@mail.gmail.com>
From: Julien Laganier <julien.ietf@gmail.com>
To: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
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Cc: HIP <hipsec@ietf.org>
Subject: Re: [Hipsec] WGLC: draft-ietf-hip-rfc5205-bis
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Thanks for the review Tom, I will address your WGLC comments ASAP.

--julien

On Tue, May 5, 2015 at 6:59 AM, Gonzalo Camarillo
<Gonzalo.Camarillo@ericsson.com> wrote:
> Thanks for the review, Tom.
>
> Julien, could you please look into Tom's comments and address them in a
> new revision of the draft?
>
> Thanks,
>
> Gonzalo
>
> On 04/05/2015 5:23 PM, Tom Henderson wrote:
>> On 04/17/2015 03:47 AM, Gonzalo Camarillo wrote:
>>> Hi,
>>>
>>> I would like to start a WGLC on the following draft. This WGLC will end
>>> on May 4th:
>>>
>>> https://datatracker.ietf.org/doc/draft-ietf-hip-rfc5205-bis/
>>>
>>> Please, send your comments to this list.
>>>
>>> Thanks,
>>>
>>> Gonzalo
>>
>> I had a fresh read of this specification and have the following comments.
>>
>> (possibly) technical
>> --------------------
>>
>> RFC 7401 specifies ECDSA and ECDSA_LOW as separate algorithm types, but
>> this document only mentions ECDSA.  For alignment with RFC 7401, I
>> suggest to replace references to "ECDSA" with "ECDSA and ECDSA_LOW" as
>> appropriate (it seems to me that they can reuse the same codepoint).
>>
>> I could not find discussion about TTL considerations; are there any?  If
>> there are no special considerations about TTL, caching, and how records
>> may be updated, perhaps it would be helpful to state this (and possibly
>> reference the specification that describes how to expire resource records).
>>
>> The document doesn't seem to have any discussion of what to do when a
>> host wants to register more than one host identity.  I suggest something
>> along the lines of "there may be multiple HIP RRs associated with a
>> single name.  It is outside the scope of this specification as to how a
>> host chooses from between multiple RRs when more than one is returned.
>> The RVS information may be copied and aligned across multiple RRs, or
>> may be different for each one; a host SHOULD check that the RVS used is
>> associated with the HI being used, when multiple choices are present."
>>
>> editorial
>> ---------
>>
>> IANA considerations could be made more explicit about exactly what we
>> are requesting IANA to do; e.g., "the reference to the RR type code
>> should be updated from RFC 5205 to this specification."  and "this
>> document requests that IANA allocate a new codepoint for 'ECDSA and
>> ECDSA_LOW' in the existing registry for IPSECKEY RR."
>>
>> Suggest to replace "Singly" with "Single" and "degenerated" with
>> "degenerate".
>>
>>
>>
>>
>>
>
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