Re: [Geopriv] Common Policy Update
Hannes Tschofenig <Hannes.Tschofenig@gmx.net> Tue, 04 April 2006 11:46 UTC
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From: Hannes Tschofenig <Hannes.Tschofenig@gmx.net>
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To: "Thomson, Martin" <Martin.Thomson@andrew.com>
Subject: Re: [Geopriv] Common Policy Update
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Hi Martin, thanks for the quick response. I have added the following sentence to Section 7.1; " If a child element of <identity> is in a namespace that is not known or not supported, it can be ignored. " and I deleted Section 12 about extensibility. Here is the new draft version: http://www.tschofenig.priv.at/TEMP/draft-ietf-geopriv-common-policy-09.txt http://www.tschofenig.priv.at/TEMP/draft-ietf-geopriv-common-policy-09.html Ciao Hannes Thomson, Martin wrote: > Inline, > > >> -----Original Message----- From: Hannes Tschofenig >> [mailto:Hannes.Tschofenig@gmx.net] Sent: Sunday, 2 April 2006 5:52 >> AM To: geopriv@ietf.org Subject: [Geopriv] Common Policy Update >> >> Hi all, >> >> based on the discussion regarding the identity extension I have >> compiled a new draft version. Please find the updated draft at: >> >> http://www.tschofenig.priv.at/TEMP/draft-ietf-geopriv-common-policy-09.txt >> >> http://www.tschofenig.priv.at/TEMP/draft-ietf-geopriv-common-policy-09.html >> (Note that I have not yet submitted the document.) >> >> The important modification relates to the introduction of a new >> extension point at the <identity> element. Here is the modified XML >> schema: >> >> ------------ >> >> ~snip~ >> >> <!-- //conditions/identity --> <xs:complexType name="identityType"> >> <xs:complexContent> <xs:restriction base="xs:anyType"> <xs:choice >> minOccurs="0" maxOccurs="unbounded"> <xs:element name="one" >> type="cp:oneType"/> <xs:element name="many" type="cp:manyType"/> >>>> <xs:any namespace="##other" processContents="lax" minOccurs="0" >>>> maxOccurs="unbounded"/> > > > The addition only needs to be: > >>> <xs:any namespace="##other" processContents="lax"/> > > Since the minOccurs and maxOccurs on the <xs:choice...> should > suffice. > > >> </xs:choice> </xs:restriction> </xs:complexContent> >> </xs:complexType> >> >> ~snip~ >> >> ------------ >> >> This issue was discussed during the Geopriv working group session >> at the last IETF meeting. >> >> Additionally, I have added a new section about extensiblity with >> the following content: >> >> ------------ >> >> 12. Extensibility > > > It is good to see this section here, but I question whether it was > needed, particularly at this point. I suggested a one sentence > clarification to Section 7.1 that covered this for identity only. > > If this is retained, then I think that it needs to be a little > clearer. Each point should include notes on the impact of including > an extension, which is different for each. > > > >> This document can be extended in the following ways: >> >> o Conditions: The XML schema allows new child elements of the >> <conditions> element to be defined. > > > Unknown conditions cause a processor to always ignore the rule, since > they MUST evaluate as if the condition was not matched. > > >> o Transformations: The XML schema allows new child elements of the >> <transformations> element to be defined. > > > An unknown transformation also causes the rule to be skipped, since > the processor cannot be sure which sections of the document are > removed by the transformation. > > >> o Actions: The XML schema allows new child elements of the >> <actions> element to be defined. > > > I'm not sure what the impact of an unknown action would be. I can > see arguments for either ignoring the action or and invalidating the > rule; I suspect that the rule would be invalidated though. > > >> o Extensions to the Identity Element: The XML schema allows new >> child elements of the <identity> element to be defined. > > > Extensions to identity are the only elements subject to an OR, and > therefore they can be safely ignored without increasing permissions. > > >> o URI Schemes: New URI schemes can be defined for the 'id' >> attribute according to [10]. >> >> Unknown extensions can be safely ignored without impacting the >> user's privacy. In order to allow a RM to learn which extensions >> are supported by a PS the policy capability extensions might be >> useful (see [11], [12] and [13]). >> > > >> ------------ >> >> Thanks to Henning, Allison, Ted, Andy and Martin for the identity >> discussions. Please let me know if you are happy with the update. >> >> Ciao Hannes >> >> _______________________________________________ Geopriv mailing >> list Geopriv@ietf.org >> https://www1.ietf.org/mailman/listinfo/geopriv > > > ------------------------------------------------------------------------------------------------ > This message is for the designated recipient only and may contain > privileged, proprietary, or otherwise private information. If you > have received it in error, please notify the sender immediately and > delete the original. Any unauthorized use of this email is > prohibited. > ------------------------------------------------------------------------------------------------ > [mf2] _______________________________________________ Geopriv mailing list Geopriv@ietf.org https://www1.ietf.org/mailman/listinfo/geopriv
- [Geopriv] Common Policy Update Hannes Tschofenig
- RE: [Geopriv] Common Policy Update Thomson, Martin
- Re: [Geopriv] Common Policy Update Hannes Tschofenig
- RE: [Geopriv] Common Policy Update Thomson, Martin