Re: [HOKEY] Change proposal for ERP-AAK - 1: NAS-IdentifierRedefining

Zhen Cao <zehn.cao@gmail.com> Fri, 14 October 2011 14:11 UTC

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Date: Fri, 14 Oct 2011 22:11:15 +0800
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From: Zhen Cao <zehn.cao@gmail.com>
To: Qin Wu <bill.wu@huawei.com>
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Subject: Re: [HOKEY] Change proposal for ERP-AAK - 1: NAS-IdentifierRedefining
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understand now. From this respect, the new TLV is indeed needed.

Thank you for the clarification.

On Wed, Oct 12, 2011 at 2:29 PM, Qin Wu <bill.wu@huawei.com> wrote:
> This is not a problem.
> Since NAI-Identifier defined in RFC2865 is not general either and only used in
>  Access-Request packet to the RADIUS Server, however in our use case,
> we need a TLV for SAP to carry CAP lists to the server that may be in another
> domain which is quite different from original usage of NAI-Identifier specified in RFC2865.
> Therefore it worth having a new TLV to fix this issue.
>
> Regards!
> -Qin
> ----- Original Message -----
> From: "Zhen Cao" <zehn.cao@gmail.com>
> To: "Glen Zorn" <glenzorn@gmail.com>
> Cc: <hokey@ietf.org>
> Sent: Tuesday, October 11, 2011 1:30 PM
> Subject: Re: [HOKEY] Change proposal for ERP-AAK - 1: NAS-IdentifierRedefining
>
>
> CAS-Identity would be a new concept and need Type for the TLV, and it
> may be not general enough.  I am afraid IETF would be conservative to
> agree with this, given we have way to circumvent.
>
> On Tue, Oct 11, 2011 at 1:24 PM, Glen Zorn <glenzorn@gmail.com> wrote:
>> On 10/9/2011 9:39 AM, Zhen Cao wrote:
>>
>>> I think we should be careful adding more semantics to the current
>>> tools, otherwise it takes longer to converge.
>>
>> Sorry, I don't understand.
>>
>>>
>>> How about re-use the NAS-Id and in the string part, make it a
>>> FQDN-alike way, then that depends on the implementation only.
>>>
>>> On Wed, Oct 5, 2011 at 8:03 PM, Glen Zorn <glenzorn@gmail.com> wrote:
>>>> On 9/29/2011 4:20 PM, Qin Wu wrote:
>>>>
>>>>> Hi,
>>>>> As we discussed on the list to draft-ietf-hokey-erp-aak, NAS Identifier
>>>>> defined in the section 5.32 of RFC2865
>>>>> is not appropriate to be used in the inter-realm hanover case. Since
>>>>> CAP(s) and/or SAP are not global identifier
>>>>> and the value they are choosing may conflict with each other, therefore
>>>>> I propose to redefine NAS-Identifier,
>>>>> in other words, abandon using NAS-Identifer in the
>>>>> draft-ietf-hokey-erp-aak-05, instead, replace it with CAP-Identifier
>>>>> as belows:
>>>>>
>>>>> "
>>>>>
>>>>> CAP-Identifier: This is carried in a TLV
>>>>>
>>>>> payload. The type is TBD. This attribute contains a string
>>>>> identifying the Candidate Access Points prior to the
>>>>>
>>>>> arrival of the MH at the Candidate Access Network (CAN).It is used by
>>>>> the SAP to advertise the identifier(s) of
>>>>>
>>>>> CAP(s) to the peer and EA server.
>>>>>
>>>>> "
>>>>
>>>> OK, but this needs a format specification (FQDN might be good).
>>>>
>>>>>
>>>>> Regards!
>>>>> -Qin
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> HOKEY mailing list
>>>>> HOKEY@ietf.org
>>>>> https://www.ietf.org/mailman/listinfo/hokey
>>>>
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>>>
>>>
>>>
>>
>>
>
>
>
> --
> Best regards,
> Zhen
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-- 
Best regards,
Zhen