[ntp:questions] Re: sendto(126.96.36.199): Invalid argument
edrusba at free.fr
Sat Aug 13 21:45:29 UTC 2005
Brad Knowles wrote:
> At 12:18 PM +0200 2005-08-13, Edrusb wrote:
>> Yes probably, it is too bad the same socket has not been used to send
>> data too, just leting the system put the appropriate Source IP and
>> select the adequate output interface according to system's routing
>> decision. This way there would not have any need to scan available
>> network interfaces for changes.
> Nice theory, but it doesn't work that way in practice. Dig deep
> into the code of programs like ntpd, BIND, and sendmail if you want to
> understand why, but be prepared to spend a significant amount of time
> learning about cross-platform issues, problems with IPv4 versus IPv6,
> guaranteeing that reply packets always come from the same interface and
> IP address that the query was sent to, and a whole host of other problems.
> It's just not that simple.
Yes, you are right, it is easy to find things simple when you are far
away from the problem... Anyway, don't imagine I said or even thought
ntpd was bad designed or something like that, I really appreciate this
nice and useful program!
Thank you for your clear answers.
edrusba at free.fr remove the a letter
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