RFC-1035 explanation needed

[Alans]

Hi,

 

I read below paragraph from RFC 1035 about AXFR:

 

"   - If the server needs to close a dormant connection to reclaim

     resources, it should wait until the connection has been idle

     for a period on the order of two minutes.  In particular, the

     server should allow the SOA and AXFR request sequence (which

     begins a refresh operation) to be made on a single connection.

     Since the server would be unable to answer queries anyway, a

     unilateral close or reset may be used instead of a graceful

     close."

 

What does it means by "since the server would be unable to answer queries."
?

And when "reset.." should be used?

 

 

Regards,

Alans

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