Similar to ISATAP

Simple Authentication and Security Layer

Augmented Backus–Naur form

RC2

KOI8-U

RFC 2322

Hyper Text Coffee Pot Control Protocol

Real-Time Streaming Protocol

Virtual Router Redundancy Protocol

IP Payload Compression Protocol

VCard

ICalendar

Differentiated services

Point-to-Point Protocol over Ethernet

WebDAV

Year 10,000 problem

Online Certificate Status Protocol

Internet Printing Protocol

CAST-256

Diffie–Hellman key exchange

S/MIME

Point-to-Point Tunneling Protocol

Secure Hypertext Transfer Protocol

Layer 2 Tunneling Protocol

Simple public-key infrastructure

Common Open Policy Service

Media Gateway Control Protocol

RADIUS

H.248