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Subject: RE: [xacml] condition reference text (item 7)
On 12 March, Tim Moses writes: RE: [xacml] condition reference text (item 7) > Colleagues - I have just realized how much work this is going to be. In > addition to the specific changes described by Simon, all the examples are > affected and the introductory material, including the class diagram are > affected. This is going to take some time. > > I would like to see formal acceptance of the proposal as soon as possible, > because backtracking doesn't look like an appealing option. > > Personally, I lament the passing of <Condition>. The part of <Rule> that > complements <Target> is a significant independent concept that deserves its > own name. Anyone who has to explain XACML will have to refer to it. With > the passing of <Condition>, they'll have to talk about "the child > <Expression> element of the <Rule> element" or some such. Global replace > may work for the editor, but it is not a very attractive prospect for the > reader. > > Does anyone else feel that this idea needs a name of its own? Yes, I do. The type of the Condition element can be shared with the other expressions, but giving the element that contains the set of predicates for a Rule its own name is a minor addition with major readability benefits. The counter argument might be that people won't read XACML policies, and the tools that generate them don't care what the name is. As someone who frequently presents and explains XACML to customers and partners, I can attest that being able to present readable, short examples is essential to obtaining broader acceptance for XACML. We will not have many tools until enough human readers have decided XACML is a good language. Anne > All the best. Tim. > > -----Original Message----- > From: Tim Moses [mailto:tim.moses@entrust.com] > Sent: Thursday, March 11, 2004 9:16 AM > To: 'Simon Godik'; 'xacml@lists.oasis-open.org' > Subject: RE: [xacml] condition reference text (item 7) > > > Simon - Thanks. I'll incorporate into, and issue, a Draft 07, on the > assumption that, if and when there is a vote on this subject, the vote will > be to accept. If not, we can always backtrack. All the best. Tim. > > -----Original Message----- > From: Simon Godik [mailto:simon.godik@overxeer.com] > Sent: Wednesday, March 10, 2004 11:10 PM > To: xacml@lists.oasis-open.org > Subject: [xacml] condition reference text (item 7) > > > Hi Tim, > Here is condition reference text and schema. Text is adopted (with some > additions) from Polar's email > > Simon > > <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> > <HTML><HEAD> > <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=US-ASCII"> > <TITLE>Message</TITLE> > > <META content="MSHTML 6.00.2737.800" name=GENERATOR> > <STYLE></STYLE> > </HEAD> > <BODY bgColor=#ffffff> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2>Colleagues - I have just realized how much work this is going to > be. In addition to the specific changes described by Simon, all the > examples are affected and the introductory material, including the class diagram > are affected. This is going to take some time.</FONT></SPAN></DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2></FONT></SPAN> </DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff size=2>I > would like to see formal acceptance of the proposal as soon as possible, because > backtracking doesn't look like an appealing option.</FONT></SPAN></DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2></FONT></SPAN> </DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2>Personally, I lament the passing of <Condition>. The part of > <Rule> that complements <Target> is a significant independent > concept that deserves its own name. Anyone who has to explain XACML will > have to refer to it. With the passing of <Condition>, they'll have > to talk about "the child <Expression> element of > the <Rule> element" or some such. Global replace may work for > the editor, but it is not a very attractive prospect for the > reader.</FONT></SPAN></DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2></FONT></SPAN> </DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff size=2>Does > anyone else feel that this idea needs a name of its own?</FONT></SPAN></DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff > size=2></FONT></SPAN> </DIV> > <DIV><SPAN class=294413914-12032004><FONT face=Arial color=#0000ff size=2>All > the best. Tim.</FONT></SPAN></DIV> > <BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px"> > <DIV></DIV> > <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT > face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Tim Moses > [mailto:tim.moses@entrust.com] <BR><B>Sent:</B> Thursday, March 11, 2004 9:16 > AM<BR><B>To:</B> 'Simon Godik'; > 'xacml@lists.oasis-open.org'<BR><B>Subject:</B> RE: [xacml] condition > reference text (item 7)<BR><BR></FONT></DIV> > <DIV><SPAN class=282001414-11032004><FONT face=Arial color=#0000ff > size=2>Simon - Thanks. I'll incorporate into, and issue, a Draft 07, on > the assumption that, if and when there is a vote on this subject, the vote > will be to accept. If not, we can always backtrack. All the > best. Tim.</FONT></SPAN></DIV> > <BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px"> > <DIV></DIV> > <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT > face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Simon Godik > [mailto:simon.godik@overxeer.com] <BR><B>Sent:</B> Wednesday, March 10, 2004 > 11:10 PM<BR><B>To:</B> xacml@lists.oasis-open.org<BR><B>Subject:</B> [xacml] > condition reference text (item 7)<BR><BR></FONT></DIV> > <DIV><FONT face=Arial size=2>Hi Tim,</FONT></DIV> > <DIV><FONT face=Arial size=2>Here is condition reference text and schema. > Text is adopted (with some additions) from Polar's email</FONT></DIV> > <DIV><FONT face=Arial size=2></FONT> </DIV> > <DIV><FONT face=Arial > size=2>Simon</FONT></DIV></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML> -- Anne H. Anderson Email: Anne.Anderson@Sun.COM Sun Microsystems Laboratories 1 Network Drive,UBUR02-311 Tel: 781/442-0928 Burlington, MA 01803-0902 USA Fax: 781/442-1692
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