https://cs.wikipedia.org/wiki/CLNS

https://cs.wikipedia.org/wiki/Exterior_Gateway_Protocol

https://cs.wikipedia.org/wiki/Enhanced_Interior_Gateway_Routing_Protocol

https://cs.wikipedia.org/wiki/ICMP

https://cs.wikipedia.org/wiki/IPsec

https://cs.wikipedia.org/wiki/Open_Shortest_Path_First

https://cs.wikipedia.org/wiki/Routing_Information_Protocol

https://cs.wikipedia.org/wiki/Quality_of_Service