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#IETF125Open 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#IETF125#IETFHackathonessions, 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#IETF125#IETFHackathonessions 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! https://ripe91.ripe.net/programme/meeting-plan/sessions/17/CGDZGZ/

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: https://www.ietf.org/blog/sidrops-and-avoidable-route-hijacks/

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/

Registration is now open for #IETF125 Shenzhen! Plan to join 1000+ leading Internet technologist in person and online 14-20 March 2026 for 100+ working sessions, an #IETFHackathon, and more. Details at: https://www.ietf.org/meeting/125/

DEADLINE: #IETF124 Birds-of-a-Feather (BOF) are due UTC 23:59 on 19 September 2025! Organizing a Birds-of-a-Feather (BOF) session is 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/

REMINDER: Super early registration for #IETF124 Montreal ends at UTC 23:59 on 15 September 2025! Don't miss out on joining 1000+ leading Internet technologists from around the world 1-7 November in-person or online. More info at: https://www.ietf.org/meeting/124/

The maintenance has been complete. All services are available.

REMINDER: IETF Datatracker, Mail Archives, and other services will be unavailable during a maintenance window for IETF IT services starting at 1900 UTC on 14 August 2025.

Have an idea for a topic of discussion or possible new work in the IETF? Organizing a Birds-of-a-Feather (BOF) session is one way to bring it to the attention of the IETF community. Submissions are being accepted now for BOFs during #IETF124. More info at: www.ietf.org/process/bofs/

IETF IT service window: A 2-hour service window starting at 1900 UTC on 14 August 2025 is planned to allow a change in the underlying cloud infrastructure, improving performance, reliability, and manageability of the affected services. Read more: www.ietf.org/blog/it-infr...

The #IETF123 @irtf.org Open Session featured Haarika Manda and Hendrick Chech presenting their ANRP-winning research on Internet access inequities and LEO satellite network measurements and analysis. Watch the full presentations: www.ietf.org/blog/ietf123...

The #IETF123 meeting is wrapping up! 1700+ participants around the world came together—in Madrid & online—to work on emerging Internet technologies. Thanks to host Ericsson and to all the meeting sponsors for their support. On demand recordings let you watch any of the 100+ sessions: ietf.org/live/

More #IETF123 livestreaming! "Migrating Telecom to Quantum-Resistant Cryptography on a Global Scale" at 11:15 UTC on 24 July 2025 presented by John Preuß Mattsson, an expert in cryptographic algorithms and security protocols at Ericsson Research: www.ietf.org/live/ietf123...

Watch select sessions from #IETF123 Live! Starting on 23 July with the @iab.org open session and the plenary session. And, recordings from all other meeting sessions are available on demand: www.ietf.org/live/

The #IETF123 meeting is underway! More than 1500 participants around the world—in Madrid and online—are working on emerging Internet technologies through 25 July 2025. Thanks to host Ericsson, and to all the meeting sponsors for their support: www.ietf.org/meeting/123/

Looking to get started in something new? These #IETF123 meeting sessions are likely to include discussions and proposals that are accessible to a broad range of Internet technologists whether they are new to the IETF or long-time participants: www.ietf.org/blog/ietf123...

The AI Preferences (AIPREF) Working Group began work this year to make it easier to express how AI models should use Internet content. Work is well underway on a compressed timeline for delivery. Read the latest progress update and the path ahead: www.ietf.org/blog/ai-pref...

The #IETF123 Madrid final agenda is now published! See what's planned for the 100+ sessions, #IETFHackathon, and more 19-25 July 2025. If you haven't already, register today to join 1000+ leading technologists from around the world in-person or online: www.ietf.org/meeting/123/

Registration is now open for #IETF124 Montreal (1-7 November 2025) hosted by Comcast and NBCUniversal ! Plan to join 1000+ leading Internet technologists from around the world in-person and online for 100+ working sessions and more, including an #IETFHackathon : www.ietf.org/meeting/124/

The updated and improved New Participant Program will continue at #IETF123 Madrid (19-23 July)! After overwhelmingly positive feedback on the first edition at #IETF122, registration is now open for the expanded program at #IETF123. Read more: www.ietf.org/blog/new-par...

Welcome to Verisign as the newest IETF Global Host—a multi-year commitment at the highest tier of meeting sponsorship! The commitment and generous contributions of Global Hosts and sponsors provides critical support for the work of the IETF community: www.ietf.org/blog/global-...

The 2024 edition of the IETF Annual Report is now available! Read it today for a summary of IETF, Internet Architecture Board ( @iab.org ), Internet Research Task Force ( @irtf.org ), and RFC Editor community activities from last year: www.ietf.org/blog/annual-...

REMINDER: Super early registration for #IETF123 ends UTC 23:59 on 2025-06-02! Register now to join 1000+ leading Internet technologists from around the world 19-25 July 2025 in Madrid or online. More info and registration at: www.ietf.org/meeting/123/

At #IETF122 Bangkok, a special session about the upcoming World Summit on Information Security (WSIS) 20 year review provided an overview of how the IAB is engaging in this opportunity to recommit to the multistakeholder approach to Internet governance: www.ietf.org/blog/technic...