Обозрел на ютубе RFC за март 2020го (те, что могут быть интересны сетевикам). Подборочка:
Constrained Application Protocol (CoAP) Hop-Limit Option
https://www.rfc-editor.org/rfc/rfc8768.txt
Simple Two-Way Active Measurement Protocol
https://www.rfc-editor.org/rfc/rfc8762.txt
The Session Initiation Protocol (SIP) Digest Access Authentication Scheme
https://www.rfc-editor.org/rfc/rfc8760.txt
Dynamic Link Exchange Protocol (DLEP) Latency Range Extension
https://www.rfc-editor.org/rfc/rfc8757.txt
IPv6 Segment Routing Header (SRH)
https://www.rfc-editor.org/rfc/rfc8754.txt
Hierarchical Stateful Path Computation Element (PCE)
https://www.rfc-editor.org/rfc/rfc8751.txt
Ability for a Stateful Path Computation Element (PCE) to Request and Obtain Control of a Label Switched Path (LSP)
https://www.rfc-editor.org/rfc/rfc8741.txt
Path Computation Element Communication Protocol (PCEP) Extensions for Associating Working and Protection Label Switched Paths (LSPs) with Stateful PCE
https://www.rfc-editor.org/rfc/rfc8745.txt
TCP Extensions for Multipath Operation with Multiple Addresses
https://www.rfc-editor.org/rfc/rfc8684.txt
Бонусом — дока от Cisco как с этим работает, например, АСА https://www.cisco.com/c/en/us/support/docs/ip/transmission-control-protocol-tcp/116519-technote-mptcp-00.html
Multi-Access Management Services (MAMS)
https://www.rfc-editor.org/rfc/rfc8743.txt
Также рекомендую очень забавный (ну, кому как) 1-апрельский RFC «The Quantum Bug»
https://www.rfc-editor.org/rfc/rfc8774.txt
Сам обзор
И пара security RFC, которых нет в обзоре, но по-моему вполне любопытные
TLS 1.3 Extension for Certificate-Based Authentication with an External Pre-Shared Key
https://www.rfc-editor.org/rfc/rfc8773.txt
Implicit Initialization Vector (IV) for Counter-Based Ciphers in Encapsulating Security Payload (ESP)
https://www.rfc-editor.org/rfc/rfc8750.txt