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Subject: Re: [xacml] New core and delegation drafts uploaded

Hi Rich,

Yes, this list should be accurate unless I made a mistake. I see that I 
didn't make a good list for the first working draft since the 
description is written in the form of what issues remain open, rather 
than which issues were implemented.

If you want to, you can download the docs and use the review pane in 
Word to walk through all changes. In most cases they are not so many. 
It's mainly the first doc where all subject/resource/etc stuff was 
changed into attribute categories which has lots of changes.

Another source of information is to check the issues list. In most cases 
I have written which version of the draft implements an issue.

To get the most complete picture of what the intent of 3.0 was, you 
would need to read the mailing list archives, although I think the 
issues list will give a pretty complete picture. We started the issues 
list early and the list has worked very well so it is accurate and up to 
date. I don't think there is anything in the draft which is not from the 
issues list except some errata which were reported by email from users.

In short, the main new features in the core doc is to support the new 
delegation profile and to implement attribute categories, while there 
are minor changes in form of errata.

There were also plans to generalize decisions into more than 
Permit/Deny, but this work didn't progress in the end due to it turned 
out to be quite complex technically. Bill knows most of this. The use 
cases motivating that work were migrated to the generalization of 
obligations work. There is one working draft in the document repository 
regarding generalization of obligations. However, this has not been 
integrated into the core, so none of the changes in the current draft of 
core is due to generalization of obligations.


Rich Levinson wrote:
> Hi Erik,
> As a quick test I ran thru the updates to XACML 3.0 core emails
> for releases and collected the info in a single text doc. Please check
> over the attached and let me know if you think it is complete and
> accurate. Also, would there have been any preliminary emails or
> other docs that describe what the intended changes to xacml-core-3.0
> were.
>     Thanks,
>     Rich
> Erik Rissanen wrote:
>> Hi Rich,
>> There is no such document at the moment, but it would be fairly easy to
>> make one. There is a summary of changes for each draft and a word diff,
>> so you could just read those and collect them into a single document
>> summarizing the changes.
>> Regarding requirements, there are discussions about these in the email
>> archives and meeting minutes. Look for discussions where Frank
>> Siebenlist is participating. Also, the 3.0 issues list is on the wiki.
>> Old closed issues are on a separate page. All this could of course also
>> made into a doc if that would be useful.
>> Regards,
>> Erik
>> Rich Levinson wrote:
>>> Hi Eric,
>>> I am trying to get a handle on what is included in XACML 3.0 that
>>> is different from XACML 2.0. Is there a doc that lists each spec
>>> and what changes have been made to it, plus a list of new specs
>>> and what they consist of?
>>> I think there were some attempts along these lines in 1.0->2.0,
>>> http://www.oasis-open.org/committees/download.php/12821/xacml_1.x_2.0_diffs_draft.doc
>>> as well as an initial list of work items for 3.0:
>>> http://www.oasis-open.org/committees/download.php/13387/XACML%203.0%20open%20issues%20and%20work%20items.doc
>>> However, I have not found something similar for 2.0->3.0.
>>> The reason I ask is that I think it would be useful to have a list of the
>>> major changes that are in the 3.0 package, so that when the time comes
>>> for approval votes that we have a full context for evaluating the
>>> package.
>>> What I would envision is for example in the core doc, a list of the major
>>> issues that were addressed, possibly with a pointer to the main
>>> section(s)
>>> of the doc where the changes associated with that issue may be found.
>>> For the new docs, possibly a brief list of the major reqts that drove the
>>> need for the new spec, possibly w pointers to email archives where
>>> discussion relevant to the plans for the spec might have occurred.
>>> Finally, each schema probably should have a list of changes as well.
>>> I would be happy to help out with this, but it would be useful if any
>>> existing items along these lines would be made known for a good
>>> starting point.
>>>    Thanks,
>>>    Rich
>>> Erik Rissanen wrote:
>>>> All,
>>>> I have uploaded xacml core 3.0 wd 4 and delegation wd 18.
>>>> These fix some typos, update the examples to the new xpath datatype
>>>> and changes disjunctive/conjunctive matches to anyof/allof.
>>>> So there are not many changes, but I am uploading them anyway since I
>>>> intend to update the document templates as the next step. It's
>>>> cleaner and easier to follow the changes if I don't change the
>>>> technical content while I do that, hence the small update now.
>>>> Regards,
>>>> Erik

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