olemus
sondpakett, saadetakse
võrgustatud arvuti kättesaadavuse kontrolliks
=
a probe sent by a user to a destination system to check its availability

ülevaateid
https://en.wikipedia.org/wiki/Ping_(networking_utility)#ECHO-REQUEST

https://www.oreilly.com/library/view/internet-core-protocols/1565925726/ch05s01s04s01.html

https://cse.sc.edu/~wyxu/515/slides/IPRouting.pdf

vt ka
- ICMP
- ping