RFC 2782:A DNS RR for specifying the location of s...
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target


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... _Service._Proto.Name TTL Class SRV Priority Weight Port Target ...
... Priority The priority of this target host. A client MUST attempt to contact the target host ...
... target host. A client MUST attempt to contact the target host with the lowest-numbered priority it can reach; target hosts ...
... target host with the lowest-numbered priority it can reach; target hosts with the same priority SHOULD be tried in an order defined by the weight field. The range ...
... RRs of the same Priority in the order in which target hosts, specified by the SRV RRs ...
... priority: To select a target to be contacted next, arrange all SRV RRs ...
... first in the selected order which is greater than or equal to the random number selected. The target host specified in the selected SRV RR is the next one to be contacted by the client ...
... SRV RRs to select the next target host. Continue the ordering process until there are no unordered SRV RRs ...
... Port The port on this target host of this service. The range is 0- ...
... This is often as specified in Assigned Numbers but need not be. Target The domain name of the target host ...
... Target The domain name of the target host. There MUST be one or more address records for this name, the name MUST NOT be an alias ...
... compression is not to be used for this field. A Target of "." means that the service is decidedly not available at this domain ...


... service ("_ldap._tcp.example.com" for instance); each SRV RR adds 20 bytes plus the name of the target host; each NS RR in the NS ...


... Do a lookup for QNAME=_service._protocol.target, QCLASS=IN, QTYPE=SRV ...
... If there is precisely one SRV RR, and its Target is "." (the root domain), abort. ...
... RR's, build a list of (Priority, Weight, Target) tuples Sort the list by priority ...
... query the DNS for address records for the Target or use any such records found in the Additional Data section of the earlier SRV ...
... Do a lookup for QNAME=target, QCLASS=IN, QTYPE=A ...


... SRV RR's and the client may want to connect to the target host(s) involved, the client MUST look up the address ...



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