Similar to CANopen

CAN bus

ALOHAnet#The ALOHA protocol

CC-Link Open Automation Networks

Generalized Multi-Protocol Label Switching

Multiprotocol Label Switching

Circuit switching

Picture Transfer Protocol

I²S

Transition-minimized differential signaling

Communication protocol

3G-324M

9P (protocol)

ActivityPub

Advanced Message Queuing Protocol

IBM Advanced Program-to-Program Communication

ALOHAnet

Amoeba (operating system)

Apple Filing Protocol

Archie (search engine)

Asynchronous Transfer Mode

ATA over Ethernet

ATM adaptation layer

BACnet

Berkeley Packet Filter