rfc9859v2.txt   rfc9859.txt 
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sender MUST send a separate notification for each one. sender MUST send a separate notification for each one.
When a primary name server publishes a new RRset in the child, there When a primary name server publishes a new RRset in the child, there
typically is a time delay until all publicly visible copies of the typically is a time delay until all publicly visible copies of the
zone are updated. If the primary sends a notification at the exact zone are updated. If the primary sends a notification at the exact
time of publication, there is a potential for CDS/CDNSKEY/CSYNC time of publication, there is a potential for CDS/CDNSKEY/CSYNC
processing to be attempted before the corresponding records are processing to be attempted before the corresponding records are
served. As a result, a desired update may not be detected (or appear served. As a result, a desired update may not be detected (or appear
inconsistent), preventing it from being applied. inconsistent), preventing it from being applied.
Therefore, it is RECOMMENDED that the child delay sending Therefore, it is RECOMMENDED that the child would delay sending
notifications to the recipient until a consistent public view of the notifications to the recipient until a consistent public view of the
pertinent records is ensured. pertinent records could be ensured.
4.2.1. Timeouts and Error Handling 4.2.1. Timeouts and Error Handling
NOTIFY messages are expected to elicit a response from the recipient NOTIFY messages are expected to elicit a response from the recipient
([RFC1996], Section 4.7). If no response is received, senders SHOULD ([RFC1996], Section 4.7). If no response is received, senders SHOULD
employ the same logic as for SOA notifications ([RFC1996], Sections employ the same logic as for SOA notifications ([RFC1996], Sections
3.5 and 3.6). 3.5 and 3.6).
The recipient's attempt to act upon the delegation update request may The recipient's attempt to act upon the delegation update request may
fail for a variety of reasons (e.g., due to violation of the fail for a variety of reasons (e.g., due to violation of the
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