RFC 1127 PDF

Role of the Domain Name System (DNS) Читать на русском языке RFC 3467 | Роль системы доменных имен (DNS)

Application-Layer Protocol Negotiation (ALPN) Labels for Session Traversal Utilities for NAT (STUN) Usages

UDP Transport Layer (UDPTL) over Datagram Transport Layer Security (DTLS)

Transmission of Multiple Control Messages