[ntp:hackers] Simplifying NTPD
Greg Troxel
gdt at ir.bbn.com
Mon Jun 30 14:32:03 UTC 2014
Danny Mayer <mayer at pdmconsulting.net> writes:
> TCP and unix domain sockets are out of the question. TCP requires a lot
> of overhead and handshakes and unix domain sockets don't exist on
> Windows making porting much harder. Just use standard UDP sockets and
> the data can then be handled the same way as from remote servers.
> Otherwise they will need special handling.
This is a local RPC, not an NTP measurement. TCP on localhost is really
not that complicated, and then one can avoid thinking about
retransmission. I have never seen problems with localhost TCP except on
buggy Mac OS X 10.9 which seems to scribble onto PCBs after being up for
a few weeks. UDP reports may well be adequate if we decide reliability
isn't needed. I guess this can be argued in the protocol design :-)
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