( = Network Time Protocol,
"võrguaja protokoll")

olemus
protokoll arvutikellade sünkroniseerimiseks
pakettkommutatsioonvõrkudes,
muutuva latentsuse tingimustes
= a protocol used to synchronize with computer clock time sources in a packet-switching network

ülevaateid
https://www.ws.afnog.org/afnog2018/sse/ntp/ntp-service.pdf

https://en.wikipedia.org/wiki/Network_Time_Protocol

http://www.ntp.org/ntpfaq/NTP-s-def.htm

standardid
https://tools.ietf.org/html/rfc5905
https://tools.ietf.org/html/rfc7822

turvalisus
https://blog.cloudflare.com/understanding-and-mitigating-ntp-based-ddos-attacks/

http://resources.infosecinstitute.com/network-time-protocol-ntp-threats-countermeasures/

https://insights.sei.cmu.edu/blog/best-practices-for-ntp-services/

vt ka
- NTP-võimendusrünne