NAME

        CL_RFC2308_8_cache_SOA - Caching of SOA record


VERIFICATION POINTS

        Verify that a NUT caches SOA record from the authority section for query tuple.


TARGET

        Client (with Caching function)


SYNOPSIS

	CL_RFC2308_8_cache_SOA.seq [-tooloption ...]: KOI tool option
	See also DNSConfig.pm


INITIALIZATION


TEST PROCEDURE

	This test sequence is following.

DNS Client1 (NUT) DNS Server1 (TN) | | |--------------------------------------------->| | 1. Send standard query | | QNAME=A.example.com | | QTYPE=A | | | |<---------------------------------------------| | 2. Standard query response | | NODATA | | | |------------------------------------------> X | | 3. Send standard query | | QNAME=A.example.com | | QTYPE=A | | | |--------------------------------------------->| | 4. Send standard query | | QNAME=example.com | | QTYPE=SOA | | | v v
1. NUT send standard query to TN. Judgment (Check *1) 2. TN send standard query response to NUT. 3. NUT send standard query to TN. Judgment (Check *3) 4. NUT send standard query to TN. Judgment (Check *4)


JUDGMENT

        1. Received standard query QNAME=A.example.com from NUT.
        3. Not received standard query QNAME=A.example.com from NUT.
        4. Received standard query QNAME=example.com from NUT.


TERMINATION

        If NUT has cache function, clear the cache.


REFERENCE

	RFC2308 Negative Caching of DNS Queries (DNS NCACHE)
	8 - Changes from RFC 1034