BIND 10 #3060: Add support for TCP traffic to NameChangeListener/Sender for DHCP-DDNS

[BIND 10 Development]

#3060: Add support for TCP traffic to NameChangeListener/Sender for DHCP-DDNS
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                   Reporter:  tmark  |                 Owner:
                       Type:         |                Status:  new
  enhancement                        |             Milestone:  New Tasks
                   Priority:         |              Keywords:
  medium                             |             Sensitive:  0
                  Component:  dhcp-  |           Sub-Project:  DNS
  ddns                               |  Estimated Difficulty:  0
               CVSS Scoring:         |           Total Hours:  0
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 The initial implementation (trac3008) provided the abstract layer
 (ncr_io.*) and a UPD derivation (ncr_upd.*).  This should be sufficient to
 get the basic intergration testing done and may suffice for initial
 release.  In order to make things more reliable a derivation that supports
 TCP traffic needs to be created.

 This would leverage the send queue mechanism provided by the abstract
 sender (!NameChangeSender) to avoid loss of requests if there is a lag
 during start up or DHCP-DDNS restarts etc.

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Ticket URL: <http://bind10.isc.org/ticket/3060>
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BIND 10 Development