[Bug 273] New: policy for isolation levels

[bugzilla-daemon@arjuna.com]

http://services.arjuna.com/wscaf-issues/show_bug.cgi?id=273

           Summary: policy for isolation levels
           Product: WS-TXM
           Version: 1.0
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Text and diagrams
        AssignedTo: ws-caf@lists.oasis-open.org
        ReportedBy: mark.little@arjuna.com
         QAContact: mark.little@arjuna.com


Eric wondered if we should add support for isolation levels, particularly since
most databases permit it. Serializable, read committed ...

Mark asked if this would be via a policy?

Eric said that would be one possibility. A default of assuming serializable.

Greg said that not all resource managers support serializable because of the
overhead. General discussion; do we go with policy or leave as is (for example,
the OTS does not define isolation levels).

Eric said that he preferred a policy so that it MAY be determined.

Greg said that this should be purely declarative. Make a statement about the
characteristics of the service to do with isolation and ensure it is composable
with any policy language.

Martin said that this should be expressed through a policy based language.



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