Similar to Point-to-Point_Protocol

Address Resolution Protocol

Layer 2 Tunneling Protocol

Point-to-Point Protocol

Reverse Address Resolution Protocol

Neighbor Discovery Protocol

Exterior Gateway Protocol

Border Gateway Protocol

Diameter (protocol)

Endpoint Handlespace Redundancy Protocol

Internationalized Resource Identifier

Internet Control Message Protocol

Link layer

Point-to-Point Protocol over Ethernet

Serial Line Internet Protocol

BinHex

CAST-128

CAST-256

Comma-separated values

Common Management Information Protocol

Datagram Congestion Control Protocol

Interactive Connectivity Establishment

ICMPv6

Internet Experiment Note

IPsec

Bootstrap Protocol

Classless Inter-Domain Routing

Data URI scheme