NAME

        SV_RFC2181_5_5_once_RRSet - A Resource Record Set should only be included once in any DNS reply.


VERIFICATION POINTS

        Verify that a NUT includes only one RRset to response.


TARGET

        Authoritative Server


SYNOPSIS

	SV_RFC2181_5_5_once_RRSet.seq [-tooloption ...]: KOI tool option
	See also DNSConfig.pm


INITIALIZATION


TEST PROCEDURE

        This test sequence is following.
    DNS Client1 (TN)                       DNS Server1 (NUT)
        |                                      |
        |------------------------------------->|
        |   1. Send standard query             |
        |       QNAME=example.com              |
        |       QTYPE=NS                       |
        |                                      |
        |<-------------------------------------|
        |   2. Standard query response         |
        |       QNAME Name=example.com         |
        |       OTYPE=NS                       |
        |       ANSWER Name=example.com        |
        |       ANSWER Nsdname=NS1.example.com |
        |       ANSWER Name=example.com        |
        |       ANSWER Nsdname=NS2.example.com |
        |       ADDITIONAL Name=NS1.example.com|
        |       ADDITIONAL ADDRESS=192.168.0.10|
        |       ADDITIONAL Name=NS2.example.com|
        |       ADDITIONAL ADDRESS=192.168.0.11|
        |                                      |
        v                                      v
        1. TN send standard query QNAME=example.com, QTYPE=NS to NUT.
        2. NUT reply query response w/ NSDNAME=NS1.example.com, NS2.example.com to TN (Judgment *2)


JUDGMENT

        2. Received standard query response that include only one RRset in Answer section.
        *Authority section must not include RRset same as Answer section's RRSet. 
        *Additional section is optional.


TERMINATION

        None


REFERENCE

        RFC2181 Clarifications to the DNS Specification
        5.5. Sending RRSets (reprise)