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Subject: Minutes for 22 October 2009 TC Meeting
Time: 10:00 am EDT *** Note USA still EDT (not EST) ***
Tel: 513-241-0892 Access Code: 65998
Minutes for 22 October 2009 TC Meeting:
10:00 - 10:05
Roll Call:
Voting:
Erik Rissanen
Paul Tyson
Gareth Richards
Jan Herrmann
Bill Parducci
Rich Levinson
Hal Lockhart
Dilli Arumugam
Seth Proctor
John Tolbert
David Staggs
Non-Voting:
Prateek Mishra
we have quorum
Approve Minutes:
15 October 2009 TC Meeting
http://lists.oasis-open.org/archives/xacml/200910/msg00048.html
No objection to appoval: approved.
10:05 - 10:10 Administrivia
Meeting time: 10AM USA ET (still EDT, has caused confusion in past)
http://lists.oasis-open.org/archives/xacml/200910/msg00068.html
Europe, also has yet to change.
XSPA progress to OASIS Standard:
Ballot available: 1 vote per OASIS Member org:
http://lists.oasis-open.org/archives/xacml/200910/msg00055.html
Voting period (Oct 16 - Oct 31, 2009, 11:45PM ET)
Call for vote: Detailed voting instructions:
http://lists.oasis-open.org/archives/xacml/200910/msg00056.html
Dave: have about 25 votes so far, about 1/2 of needed.
Hal: if people have question who there org rep is, he can
provide info for their org.
XACML TC F2F planning: Straw Poll ballot: preferred dates,locations:
http://lists.oasis-open.org/archives/xacml/200910/msg00062.html
Hal: about 50-50 east coast west coast
but slight pref for west coast, so
focus redwood city, 2nd week of Dec
duration: 2-3 days, tentatively
Tue-Thu: Dec 8,9,10
10:10 - 11:00 Issues
Issue list reference
http://lists.oasis-open.org/archives/xacml/200910/xls00000.xls
New Issues:
Multiple meanings of term "xpath-expression" - looking for clarity:
(spinoff from issues 13,14,21) in Mult profile
http://lists.oasis-open.org/archives/xacml/200910/msg00049.html
Jan: people get confused w multiple context of xpath-expr
Erik: literal value for scope of attributes.
Rich: issue not in spreadsheet yet
Hal: proposed resolution: clarify text in appropriate context
-> Note: need a new issue number for this small editing change
Reg-exp vs xpath analysis, in conjunction w issue 11:
Hier: resource-id, performance consideration:
http://lists.oasis-open.org/archives/xacml/200910/msg00050.html
discussion:
http://lists.oasis-open.org/archives/xacml/200910/msg00054.html
Erik: w xpath matching, need to enumerate all nodes spec'd by
the policy
regexp operates on xpath expression itself
not sure of complexity of xpath; could be valuable to have
more direct approach on expressions
best approach make xpath expression more strictly defined.
does think regexp has some issues for knowing scope
Hal: other discussions, running xpath backwards not feasible
non-terminating, leads to infinite calculations
Erik: indiv res can match into the DOM, more context w/o resource
Rich: this discussion is closely related to proposal
Hal: identifying resources is separate problem from obtaining
elements and attrs from xml document. selectors avoid
designators; 3rd case is when you have xml resources.
Paul: thinks it is covered by other mechanisms, not needed
Resolution: this does not appear to be a new issue, it appears
to be more background material for issue 11.
Proposal to change MULT profile: to clarify resource-id formats,
MAD:
http://lists.oasis-open.org/archives/xacml/200910/msg00052.html
http://lists.oasis-open.org/archives/xacml/200910/msg00053.html
Paul: msg 53: line 64-74; when you implement this it is important
for users to know what is going to happen when they issue
a request. Multiple requests from single results.
scope attrs when xml content; a->e branches on what you
do based on scope.
Jan: for whole hierarchy requires multiple individual requests
results in one decision.
Paul: seems out of place in mult profile
Jan: entire hierarchy -> first have descendants as resource-ids
might want to say how you want results combined; ex scope
is children and want one result, can't currently do. Might
have attr for aggregation of responses.
Paul: still doesn't understand why can't be done w existing mech.
Rich: missing scope entire hierarchy vs descendants not matched
by xxx vs children; Jan's proposal could elim need for
entire hierarchy section w aggregation attr
Paul: understands option is for one answer, w different input
scopes.
Paul: in proposed steps (number "4" is missing, but steps are
ok and just 5->n becomes 4->n-1.
Rich: need a little time to go thru algorithm proposed.
Hal: where is Jan constrained from what doing
Jan: multiple category attrs, independent of his current concerns.
do not have multiple category issue yet
Hal: that is "outer loop"
Jan: concern is unique id attributes
Paul: issue w categories?
Jan: no reqt to use that approach.
Hal: proposals on table:
1. paul approach w small tweaks, xml doc and xpath can
do what's needed
2. run regexp over xml is namespace issue, rich proposal
names nodes in xml doc for reg exp
Jan: how does xpath do the identity test? How is unique name
for this node.
Erik: internal pointer ref. Point on clark notation, there
is some mechanism in xpath
Paul: evaluate in context of existing features
Hal: if we can solve using off the shelf tools, better than
inventing our own.
Hal: our problem of naming a node explicitly in xpath may
not be what xpath designed to do, but erik mentioned
a possible mechanism.
Resolution:
Hal: will try to organize what needs to be decided
**************************
Bill: picked up straggler roll call
Meeting adjourned 11:05 AM
(items below not discussed except where noted)
**************************
Resource xpath and XPathCategory issues:
http://lists.oasis-open.org/archives/xacml/200910/msg00057.html
discussion:
http://lists.oasis-open.org/archives/xacml/200910/msg00059.html
Follow-up info on #54: delegation/admin
http://lists.oasis-open.org/archives/xacml/200910/msg00060.html
#54 Issue instant attribute
http://lists.oasis-open.org/archives/xacml/200909/msg00063.html
discussion:
http://lists.oasis-open.org/archives/xacml/200910/msg00066.html
http://lists.oasis-open.org/archives/xacml/200910/msg00067.html
Erik withdraws issue to postpone to later time
DEFERRED until after 3.0.
#11 Hier URI Ref Profile Proposal
http://lists.oasis-open.org/archives/xacml/200910/msg00030.html
discussion: multiple comments and replies/clarifications:
http://lists.oasis-open.org/archives/xacml/200910/msg00058.html
http://lists.oasis-open.org/archives/xacml/200910/msg00061.html
Carry-over issues:
#23 Updated Multiple Profile Wording
http://lists.oasis-open.org/archives/xacml/200910/msg00020.html
DEFERRED as ongoing discussion
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