The image shows the Golden Gate Bridge illuminated at night, with a calm body of water reflecting lights. In the sky above the bridge, text reads: "IETF 127 San Francisco, 14-20 November 2026"

Registration is open for #IETF127 San Francisco hosted by Verisign. Join 1000+ leading technologists from around the world, 14-20 November 2026. More information and links to registration are at: https://www.ietf.org/meeting/127/

Looking to catch up on sessions you missed (or rewatch those you saw) during #IETF125 over the past week? Check out livestream recordings, links to the meeting materials from all the sessions, and more at: https://www.ietf.org/live/

LIVESTREAM: The #IETF125 Host Speaker Series at 04:45 - 05:45 UTC on 19 March 2026 will feature panelists speaking about "Building the Foundation of the Internet Together, Collaborating for the Development in Standards". Watch: https://www.ietf.org/live/ietf125-host-speaker-series/

WATCH! Several livestreams are scheduled from the #IETF125 Shenzhen meeting today (18 March 2026). The @iab.org Open session at 03:30-04:30 UTC and the IETF 125 plenary at 08:30-10:30 UTC. Check them both out at: https://www.ietf.org/live/

WATCH the first @irtf.org open session at #IETF125 at 0100 UTC on 17 March 2026 aiming to identify and discuss research challenges for the IRTF at the intersection of AI systems and internetworking: https://www.ietf.org/live/ietf125-irtfopen/

WATCH: Select sessions from the #IETF125 Shenzhen meeting on 14-20 March 2026 will be streamed live available for anyone to view, and all sessions are available on demand after the meeting. See what's on tap at: https://www.ietf.org/live/

Submit your best applied networking research work to ANRW-2026! Check out the Call for Papers: www.irtf.org/anrw/2026/

Want to find the newest topic proposals and discussions in the IETF? Check out the #IETF125 meeting sessions likely to be accessible to a broad range of Internet technologists: https://www.ietf.org/blog/ietf125-new-topics/

REMINDER: #IETF125 Shenzhen early registration and payment cut-off is at UTC 23:59 on 2 March! Be sure to sign up for 100s of working sessions, the #IETFHackathon, and more. Details at: https://www.ietf.org/meeting/125/

The final #IETF125 Shenzhen agenda is now published! Join leading technologists from around the world 14-20 March for 100+ working sessions, an #IETFHackathon, @irtf.org sessions, and more—with early registration available through 2 March. https://www.ietf.org/meeting/125/

Published in 2015 to replace the WHOIS protocol, the Registration Data Access Protocol (RDAP) ecosystem is rapidly maturing today, with significant adoption and an accelerated expansion of RDAP services across the industry in 2025. Learn more: https://www.ietf.org/blog/current-state-of-rdap/

The preliminary #IETF125 agenda is now published! Early registration is still available to join leading technologists from around the world for 100+ working sessions, an #IETFHackathon, @irtf.org sessions and more. Details at: https://www.ietf.org/meeting/125/

Registration is now open for #IETF126 Vienna on 18-24 July 2026! Plan today to join 1000+ leading networking technologists for 100+ working sessions and more. https://www.ietf.org/meeting/126/

REMINDER: Super early registration rates for #IETF125 Shenzhen (14-20 March 2026) end on 26 January at 11:59 UTC. Learn more at plan to join leading Internet technologists from around the world: https://www.ietf.org/meeting/125/

We’re beginning to see how agentic AI can be used and what it can accomplish. What standards are needed to realize its full potential? https://www.ietf.org/blog/agentic-ai-standards/

We have announced the winners of the 2026 Applied Networking Research Prize (ANRP) of the IRTF. Congratulations to all winners – we are looking forward to an excellent ANRP program in 2026!

www.irtf.org/anrp/

Forty years ago, 21 people gathered for the first meeting of what became the IETF. Today, nearly 8000 IETF participants from around the world collaborate in more than 100 working groups and every day billions of people use technologies developed in the IETF. https://www.ietf.org/blog/ietf-40/

REMINDER: The #IETF125 Shenzhen (14-20 March 2026) super-early registration deadline is coming up on 26 January! Sign up today for the best onsite and remote rates. Learn more about the meeting and the #IETFHackathon at: https://www.ietf.org/meeting/125/

Don't miss out: #IETF125 Shenzhen (14-20 March 2026) Birds-of-a-Feather (BOF) proposals are due by UTC 23:59 on 16 January 2025! BOF sessions are one way to bring a topic of discussion or possible new work the attention of the IETF community. More info at: www.ietf.org/process/bofs/

We've continued reduce waste and make our meetings more sustainable over the past year. We've also calculated the IETF's carbon footprint as part of a multi-year net zero effort. Read the full update for 2025: https://www.ietf.org/blog/net-zero-update-2025/

WATCH! Working sessions at #IETF124 start today with the first livestream begins at 2200 UTC on 3 November. Check out the IRTF Open session with always-excellent Applied Networking Research Prize (ANRP) talks: https://www.ietf.org/live/

In January, the AI Preferences (AIPREF) WG began work to make it easier to express how AI models should use Internet content. After extensive discussion and collaboration at an interim meeting earlier this month, a new proposal is being considered: https://www.ietf.org/blog/ai-pref-update/

The NETwork MODeling (NETMOD) WG is getting ready to publish the long-awaited updated versioning scheme for YANG modules published by the IETF. Read about importance and impact YANG Module Versioning and Semver will have on Internet-Draft authors: https://www.ietf.org/blog/yang-module-updates/

ICYMI: Tracking standards adoption, involved in deployments and operations, or just curious about emerging Internet protocol trends? The "What's new at the IETF?" presented at the #RIPE91 meeting this week is for you! ripe91.ripe.net/programme/meeting-plan/s...

UPDATED! Check out the newly-updated Suggested "Sessions for Getting Familiar with New Topics" post to see what's coming up at #IETF124 Montreal 1-7 November: https://www.ietf.org/blog/ietf124-new-topics/

Don't forget! #IETF124 Montreal early registration cut off is 20 October 2025 UTC 23:59. Join 1000+ leading technologists working on emerging Internet technologies 1-7 October in Montreal and online: https://www.ietf.org/meeting/124/

The final agenda for #IETF124 Montreal on 1-7 November is now published! Check out the details of the upcoming #IETFHackathon, 100+ working sessions, and more. Register today before early registration rates end on 20 October. More information at: https://www.ietf.org/meeting/124/

Looking for new topics at the upcoming #IETF124 Montreal meeting 1-7 November? Check out sessions likely to include discussions and proposals accessible to Internet technologists whether they are new to the IETF or long-time participants: https://www.ietf.org/blog/ietf124-new-topics/

If it were widely deployed, technology developed in the #SIDRops Working Group could quickly detect and defeat route hijack attacks that cause malicious rerouting of Internet traffic. Read more about a recent event affecting DNS: www.ietf.org/blog/sidrops-and-avoidab...

Nighttime view of downtown Montreal with lights illuminating the cityscape, featuring text overlay announcing 'IETF 124 Montreal 1-7 November 2025'.

The #IETF124 Montreal preliminary agenda is published! Details of the #IETFHackathon, 100+ working sessions scheduled for 1-7 November are now available. Get registration information and more at: https://www.ietf.org/meeting/124/