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Subject: Re: [xacml] Groups - Hierarchical Resource Profile WD 8 (xacml-3[1].0-hierarchical-v1-spec-wd-08-en-01.doc)uploaded

Hi Erik,

I can issue a WD 9. However, I checked the .zip file and that has a WD 8 
that was created based on WD 6, which means that the changes Hal made in 
WD 7 are missing. So, I will hold off until you advise about what is to 
happen to the WD 7 changes:

On the subject of the p-code, I believe the array representation is 
fully general in that any set of hierarchies can be represented in the 
arrays as shown. i.e. there are N resources total and M hierarchies 
defined on the resources. Each column represents one hierarchy.

As indicated the case of DAG can be handled by allocating as many 
columns as necessary so that the number of columns is equal to the width 
corresponding to the max # of parents any node in the DAG has. There is 
then room for the parents of any node so one then just lists all parents 
of each node in the DAG in slots within the row allocated to the DAG.

This model is not intended to represent a suggested implementation, 
however, it is designed to be fully general to accommodate any 
collection of resources which is organized with any set of hierarchies 
or DAGs applied to it.

i.e. it is not intended to be an example, it is a general model with 
which any example can be represented.


Erik Rissanen wrote:
> Hi Rich and all,
> To avoid any confusion, I would just point out there are now two 
> different wd 8 out there. The other is in the zip file which I posted 
> yesterday. That one contains editorial cleanups.
> I think the pseudocode should be non-normative and considered an 
> example only because this pseudocode applies only to those cases where 
> the resource hierarchies are stored in arrays like that.
> Best regards,
> Erik
> rich.levinson@oracle.com wrote:
>> Proposed revision to Hierarchical Resource Profile, which adds section
>> 3.3.1, which contains p-code, which is asserted to represent the 
>> problem as
>> described in section 3.3 from WD 7. It is expected that by utilizing 
>> p-code
>> we can reduce possible ambiguities in the interpretation of the text
>> descriptions as has worked for other detailed XACML areas. Note: details
>> for DAG processing which would be enhancement within the proposed 
>> algorithm
>> have been sketched after the main algorithm, which could readily be 
>> added
>> if TC believes necessary.
>>  -- Rich Levinson
>> The document named Hierarchical Resource Profile WD 8
>> (xacml-3[1].0-hierarchical-v1-spec-wd-08-en-01.doc) has been 
>> submitted by
>> Rich Levinson to the OASIS eXtensible Access Control Markup Language
>> (XACML) TC document repository.
>> Document Description:
>> XACML Hierarchical Resource Profile
>> View Document Details:
>> http://www.oasis-open.org/committees/document.php?document_id=31950
>> Download Document:  
>> http://www.oasis-open.org/committees/download.php/31950/xacml-3%5B1%5D.0-hierarchical-v1-spec-wd-08-en-01.doc 
>> PLEASE NOTE:  If the above links do not work for you, your email 
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>> -OASIS Open Administration
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