Adrian Cole created JCLOUDS-43:
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             Summary: UltraDNS Transaction support
                 Key: JCLOUDS-43
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-43
             Project: jclouds
          Issue Type: Improvement
          Components: jclouds-core
    Affects Versions: 1.6.0
            Reporter: Adrian Cole
            Assignee: Adrian Cole
             Fix For: 1.6.1


When testing the ultradns-ws provider, Netflix noticed that migrating 
territories from one directional group to another to results in a drop of 
traffic and slow recovery.  The root cause is how updates must occur 
considering territory overlaps are illegal.

Ex. first remove argentina from group a.  next add argentina to group b.

Advice is to wrap the two commands into a transaction, which may eliminate some 
traffic loss scenarios.

Implementation:

expose a TransactionApi and a corresponding scope to attribute the transaction 
to any write commands within it.

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