Subject: Re: Adding TTL information to gethostbyname() and friends
To: The Technology of Networking in NetBSD <tech-net@netbsd.org>
From: Greg A. Woods <woods@weird.com>
List: tech-net
Date: 06/03/2003 15:50:43
[ On Tuesday, June 3, 2003 at 12:02:39 (-0700), Erik E. Fair wrote: ]
> Subject: Re: Adding TTL information to gethostbyname() and friends
>
> What ntpd should do is keep the names and the TTL value, and requery 
> the DNS for the A record when the TTL expires and/or when the peer 
> stops responding. However, we need a decent API to ask the DNS for 
> this data.

It should be quite sufficient to re-query the DNS only when the NTP peer
stops responding as a valid NTP peer.  Ntpd need not know anything about
DNS TTL values.

-- 
								Greg A. Woods

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