Similar to Teredo_トンネリング

Virtual Router Redundancy Protocol

Mailto

IP Payload Compression Protocol

Uniform Resource Identifier

Data URI scheme

VCard

ICalendar

Differentiated services

WebDAV

Year 10,000 problem

Online Certificate Status Protocol

Internet Printing Protocol

CAST-256

Diffie–Hellman key exchange

S/MIME

Secure Hypertext Transfer Protocol

Simple public-key infrastructure

Multicast Listener Discovery

Common Open Policy Service

Media Gateway Control Protocol

RADIUS

H.248

Session Announcement Protocol

MISTY1

Sieve (mail filtering language)

Realm-Specific IP

CAdES (computing)

Syslog