On 22/11/17 21:25, Hal Murray wrote: > > [email protected] said: >> For a project work in an ARM embedded device we need to write code that will >> sync time of device within that of the network. We plan to make use of SNTP >> for same. Hence we need a very light SNTP client code? > >> Is there a Free Licence SNTP client reliable / tested code there that can be >> made use of? > > I don't know of any code like that. > > It isn't hard to write. It is very easy to get it wrong is subtle ways that > won't show up in a testing lab unless you know what to look for. > > Wikipedia has a good page: > NTP server misuse and abuse > https://en.wikipedia.org/wiki/NTP_server_misuse_and_abuse > I'd call Dave Plonka's writeup of the Netgear/UWisc mess required reading for > any networking class.
+1 to that; even years later it's still a great read. Also instructive is the Great Snapchat Surge of December 2016 - see further down that same Wikipedia page, and https://community.ntppool.org/t/recent-ntp-pool-traffic-increase/18 Worth a glance at the BCP draft as well: https://tools.ietf.org/html/draft-ietf-ntp-bcp-05 Paul _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
