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Comments on draft-adrangi-radius-issues-in-pwlan-roaming-00.txt
I have read
and have some questions and comments:
o This is a good document and useful input for the kinds of
problems the IETF should look at.
o The lack of Identity for Accounting Purposes (sect. 3.1): I agree
that this is an issue where things like EAP-AKA which has identity
protection or PEAP which hides the identity are used. Perhaps
draft-ietf-aaa-eap should discuss this. But since the issue is
in fact common to both Diameter and RADIUS, we could also describe
it separately. "Accounting Considerations for Identity Privicy" I-D?
o The lack of Standard (sect. 3.2): I agree that it is troublesome
to arrange global naming of filters in a roaming scenario. Diameter
does help this by allowing the home network to define the filters;
draft-black has a similar scheme but limited in packet size.
I would support some standardization of basic filter sets, and their
naming. This could be either an IETF effort, or maybe something done
in, say, WiFi alliance.
o Access Network Location (sect. 3.4): I would like to do this
in a manner which is as independent as possible from the given
access network type. There seems to be two separate issues:
geographic location (draft-black) and identity of the NAS.
o Type of address (sect. 3.5): Yes, this would be useful. This
is again general, not tied to wireless LANs. I think there
may be ip address pool attributes somewhere that could also be
used for this purpose.
o QoS parameters (sect. 3.8): Yes, I agree that something like
that is needed. Draft-black has some basic attributes for it.
What parameters specifically would you need?
o The document should be focused around "AAA", not just RADIUS,
issues in PWLAN roaming. It would be helpful to identify
which issues are common (most are) and which are specific
to a particular AAA protocol.
o Non-ascii characters in the text (at least quotes).
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