olemus
koos töötavate protokollide komplekt
= a set of co-operating protocols

näiteid
https://en.wikipedia.org/wiki/Signalling_System_No._7

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

https://interledger.org/developer-tools/get-started/overview/

https://blockchain.works-hub.com/learn/Drawing-Parralels-between-TCP-IP-and-the-Blockchain

vt ka
- protokollivirn