Similar to ハンドルシステム

Gopher (protocol)

VISCII

IRC

KOI8-R

Kerberos (protocol)

Integrated services

UTF-7

Point-to-Point Protocol

Generic routing encapsulation

AppleSingle and AppleDouble formats

BinHex

PNG

IPsec

Sun RPC

Etiquette in technology

IPv6

Autonomous system (Internet)

TCP sequence prediction attack

Deflate

Gzip

Neighbor Discovery Protocol

Pretty Good Privacy

Challenge-Handshake Authentication Protocol

Mobile IP

UTF-8

MIME