BIND 10 #1688: duplicate RR suprression in auth::Query

[BIND 10 Development]

#1688: duplicate RR suprression in auth::Query
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                   Reporter:         |                 Owner:
  jinmei                             |                Status:  new
                       Type:  task   |             Milestone:  Next-Sprint-
                   Priority:  major  |  Proposed
                  Component:         |            Resolution:
  b10-auth                           |             Sensitive:  0
                   Keywords:         |           Sub-Project:  DNS
            Defect Severity:  N/A    |  Estimated Difficulty:  0
Feature Depending on Ticket:         |           Total Hours:  0
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 Replying to [comment:4 vorner]:
 > Thinking about it, as the message renderer does name coparison already
 (in the name compression), would it make sense to make it there?

 I'm afraid it would make the renderer implementation too complicated.
 The renderer basically only maintains label offsets they first appear
 in its output stream.  But for the RRset (kind) comparison it needs to
 remember other attributes, type and class, and also needs to remember
 other RRsets that are not needed for name compression purposes.  So I
 think it's way beyond the responsibility of the renderer.

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Ticket URL: <http://bind10.isc.org/ticket/1688#comment:5>
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