bug#47431: Process Whois connection broken by remote peer.

[Eli Zaretskii]

> Date: Mon, 29 Mar 2021 07:35:37 +0000
> From: Gregory Heytings <gregory@heytings.org>
> cc: larsi@gnus.org, 47431@debbugs.gnu.org, hongyi.zhao@gmail.com
> 
> 
> >> IOW, without a built-in list, each whois query would create two 
> >> requests, one to whois.iana.org, and one to the actual whois server.
> >
> > I don't see any problems with that, do you?
> >
> 
> In principle, I don't see any problems.  But I seem to recall that RMS 
> dislikes solutions that make unnecessary network connections, or IOW that 
> avoidable network connections should be avoided.
> 
> If you agree on the general design, I'd be happy to implement it. 

I don't see a problem, no.  We frequently make network connections
when necessary.

> Possibly with a cache to mitigate the above problem.

I'd wait with caching until we see a performance problem.  It isn't
like people are expected to invoke this command many times in a row.