BIND 10 #1425: Need backoff algorithm when AXFR refused

[BIND 10 Development]

#1425: Need backoff algorithm when AXFR refused
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            Reporter:  shane   |                        Owner:
                Type:  defect  |                       Status:  new
            Priority:  major   |                    Milestone:  New Tasks
           Component:  xfrin   |                     Keywords:
           Sensitive:  0       |              Defect Severity:  Medium
         Sub-Project:  DNS     |  Feature Depending on Ticket:
Estimated Difficulty:  0       |          Add Hours to Ticket:  0
         Total Hours:  0       |                    Internal?:  0
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 I was configuring BIND 10 as a secondary, and had not yet updated my
 master to allow transfers. Every 5 seconds I got this in my log files:

 {{{
 2011-11-23 22:35:54.849 ERROR [b10-xfrin.xfrin] XFRIN_XFR_TRANSFER_FAILURE
 AXFR transfer of zone home.time-travellers.org./IN failed: error response:
 REFUSED
 2011-11-23 22:36:00.690 ERROR [b10-xfrin.xfrin] XFRIN_XFR_TRANSFER_FAILURE
 AXFR transfer of zone home.time-travellers.org./IN failed: error response:
 REFUSED
 2011-11-23 22:36:05.319 ERROR [b10-xfrin.xfrin] XFRIN_XFR_TRANSFER_FAILURE
 AXFR transfer of zone home.time-travellers.org./IN failed: error response:
 REFUSED
 }}}

 This needs to be made a bit less aggressive.

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Ticket URL: <http://bind10.isc.org/ticket/1425>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development