OASIS eXtensible Access Control Markup Language (XACML) TC

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Re: [xacml] issue with multiple decisions

  • 1.  Re: [xacml] issue with multiple decisions

    Posted 07-12-2002 21:21
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    Subject: Re: [xacml] issue with multiple decisions


    
    I think that the semantics of the multiple decisions is equivalent to those
    reached by making a separate Request for each resource in the hierarchy. So
    I don't think we do not have to say how to combine multiple effects.
    
    Michiharu
    
    IBM Tokyo Research Laboratory, Internet Technology
    Tel. +81 (46) 215-4642   Fax +81 (46) 273-7428
    
    
    
    
                                                                                                                                         
                          Anne Anderson                                                                                                  
                          <Anne.Anderson@Su        To:       XACML TC <xacml@lists.oasis-open.org>                                       
                          n.com>                   cc:                                                                                   
                                                   Subject:  [xacml] issue with multiple decisions                                       
                          2002/07/13 01:56                                                                                               
                          Please respond to                                                                                              
                          Anne.Anderson                                                                                                  
                                                                                                                                         
                                                                                                                                         
    
    
    
    If multiple decisions for a single Request are supported
    (e.g. for a hierarchical resource), does XACML specify how the
    decisions are reached?  For example, does XACML say the decisions
    must be equivalent to those reached by making a separate Request
    for each resource in the hierarchy?
    
    If XACML does not say the previous, then don't we have to say how
    Effects are combined by CombiningAlgorithms where there are
    multiple effects and multiple resources being evaluated together?
    
    Anne
    --
    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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