Clean up resolver code to prepare for IPv6
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Key: TS-903
URL: https://issues.apache.org/jira/browse/TS-903
Project: Traffic Server
Issue Type: New Feature
Components: DNS
Affects Versions: 3.0.1
Reporter: Alan M. Carroll
Assignee: Alan M. Carroll
Priority: Minor
Fix For: 3.1.0
The resolver logic is somewhat IPv6 capable. The code needs to be cleaned up
and the API updated to handle that.
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