administrator
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...
The SRV RR allows administrators to use several servers for a single
domain, to move services from host ...
... range of
this number is 1-65535. Domain administrators are urged to use
Weight 0 when there isn't any load balancing to do, to make the
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... Domain administrator advice ...
... lookups
for a long time, and DNS administrators should try to provide A
records to support old clients:
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... Until all resolvers can handle larger responses, domain
administrators are strongly advised to keep their SRV replies below
512 bytes.
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... DNS caches. It seems to the authors that offering
administrators a way to say "this machine is three times as fast as
that one" is the best that can practically be done.
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