RE: [xacml] xacml schema sub-committee (from Ernesto)

Title: RE: [xacml] xacml schema sub-committee (from Ernesto)

Ernesto - I have a slightly different suggestion for you to consider.  I propose groping by people's interests.  I expect that the same people will be interested in rule and policy syntax.  So, we might as well have one forum for those discussions.  If my guess is correct, then people's interests might divide along the following lines ...

rule/policy/policy set;

obligations;

predicate expression;

predicate; and

attribute functions.

Discussion on the last two topics may centre on compatible types.

What do you think?

All the best.  Tim.

-----------------------------------------

Tim Moses

Tel: 613.270.3183

-----Original Message-----

From: Pierangela Samarati [mailto:]

Sent: Thursday, April 04, 2002 8:40 AM

To: 

Subject: [xacml] xacml schema sub-committee (from Ernesto)

Hi,

i am sending this msg from Ernesto (he seems to have problems posting to 

the list)

best

-p

---------- Forwarded message ----------

Date: Thu, 4 Apr 2002 15:43:07 +0200

From: ernesto damiani <>

To: Pierangela Samarati <>

Subject: pierangela me lo posti tu? grazie!

Colleagues,

I enclose a first proposal for the division of work among different task

forces within the new Schema subcommittee. The rationale for the two main

task forces would be focusing:

1. on the definition of XML types representing a policy and policy

combinator, leaving rules as black box elements

2 on the definition of XML types representing rules and their internal

structure

Two minor task forces should deal with identifiers and obligations; I aslo

included a task force on extensibility points.

Of course this proposal is only a raw first attempt, made to be amended

and modified by your input via e-mail. I especially encourage Tim feedback

on my subdividing the current schema types among thematic task forces, I

surely made many mistakes. Proposals for modifying this task force list

(or having a completely different one) should be discussed on the list in

the next few days. Once we have a task force list in place (hopefully to

be approved by next Monday), people can start joining the task forces and

working off line at fine tuning the parts of the schema under their

bailiwick.

From that point on, our Moday concall will be mostly dedicated to

reviewing and approving decisions and modifications that the different

task forces will proposed.

What do you think?

Rgds

Ernesto

-------------------------------------------------------------------------------------------------------------------

XML SCHEMA SUBCOMMITTEE

TASK FORCES ON POLICY SYNTAX 

1. TASK FORCE ON POLICY-LEVEL TYPE SYSTEM

This task force will focus on XML types representing policy combinators, individual policies and their components, 

as well as on elements belonging to those types. Internal structure of policy components will not be defined by this task 

force.

Current schema reference types:

Complex type PolicySetStatementType 

Complex type PolicyStatementType

Complex type PolicySetType 

Complex type PolicySetDesignatorType 

5Complex type PolicyDesignatorType 

Complex type RuleSetType 

Complex type RuleDesignatorType 

Complex type RuleType

2. TASK FORCE ON RULE-LEVEL TYPE SYSTEM

 

This task force will focus on XML types representing rules and their components, 

as well as on elements belonging to those types. Integration of components to form policies will not be defined by this task 

force.

Current schema reference types:

Complex type TargetType 

Complex type SubjectType 

Complex type ResourceType 

Complex type ActionType 

Simple type EffectType 

Complex type PredicateExpressionType

Complex type PredicateExpressionAbstractType

Complex type PredicateAbstractType

Complex type AndType 

Complex type OrType 

Complex type OrderedOrType 

Complex type NotType 

Complex type PresentType 

Complex type CompareType 

3. TASK FORCE ON OBLIGATIONS

This task force will focus on XML types representing obligations, as well as on elements belonging to those types.

Current schema reference types:

Complex type ObligationsType 

Complex type ObligationType 

4. Task force on XACML IDENTIFIERS

e.g., Requestor, Time of day, Attributes

5. Task FORCE ON XACML EXTENSION POINTS 

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