Similar to Server_Name_Indication

.eml

Endpoint Handlespace Redundancy Protocol

Inter-Asterisk eXchange

IPv6 rapid deployment

Cryptographic Message Syntax

Traversal Using Relays around NAT

ARIA (cipher)

OAuth

YANG

RFB (protocol)

Time-based one-time password

XCal

VP8

Opus (audio format)

Locator/Identifier Separation Protocol

KCipher-2

Real-Time Media Flow Protocol

Virtual Extensible LAN

JSON Web Token

IPv4 Residual Deployment

HTTP 451

Curve25519

Curve448

Markdown

Brotli

GeoJSON