BIND 10 #419: Parallel xfrout session should be allowed

[BIND 10 Development]

#419: Parallel xfrout session should be allowed
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      Reporter:  zhanglikun  |        Owner:  zhanglikun
          Type:  defect      |       Status:  reviewing 
      Priority:  major       |    Milestone:            
     Component:  xfrout      |   Resolution:            
      Keywords:              |    Sensitive:  0         
Estimatedhours:  0.0         |        Hours:  0         
      Billable:  1           |   Totalhours:  0         
      Internal:  0           |  
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Comment(by zzchen_pku):

 Sorry for bad style above.
 {{{
                    |----------|
                    |  Xfrout  |
                    |----------|
                    /     |     \
                   /      |      \
                  /       |       \
           |----------|----------|-------|
           |   Auth1  |   Auth2  |  ...  |
           |----------|----------|-------|
            /    |    \
           /     |     \
          /      |      \
   |----------|----------|-------|
   | Request1 | Request2 |  ...  |
   |----------|----------|-------|

 }}}

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Ticket URL: <http://bind10.isc.org/ticket/419#comment:5>
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BIND 10 Development