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:

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:

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:

Registration is now open for #IETF124 Montreal (1-7 Nov 2025) hosted by @comcast & @NBCUniversal ! Plan to join 1000+ leading Internet technologists from around the world in-person & online for 100+ working sessions and more, including an #IETFHackathon :

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:

The 2024 edition of the IETF Annual Report is now available! Read it today for a summary of IETF, Internet Architecture Board (@intarchboard), Internet Research Task Force (@inretafo), and RFC Editor community activities from last year:

REMINDER: Super early registration for #IETF123 ends at 23:59 UTC 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:

REMINDER! If you have a topic for discussion or an idea about possible work to share during #IETF123, Birds of a Feather (BOF) sessions are one way to get initial conversations started. Consider submitting a BOF proposal by 23 May. More information at:

A Journey from Surathkal to the IETF: #IETF122 Bangkok marked the first in-person participation for final-year undergraduate students majoring in Computer Science and Engineering at the National Institute of Technology Karnataka (NITK) in India. Read more:

Do you have a topic for discussion or an idea about possible work to share during #IETF123? Birds of a Feather (BOF) sessions are one way to get initial conversations started. Consider submitting a BOF proposal by 23 May. More information at:

Super early registration for #IETF123 ends in less than a month! Register today to join 1000+ leading Internet technologists from around the world 19-25 July 2025 in Madrid or online. Never participated in an IETF Meeting before? Check it out here:

During the #IETF122 Hackathon, a team from Mauritius, the United States, and Kenya implemented post-quantum cryptography components currently missing from widely-used open source software. Read more at:

End-to-end encryption based on IETF-developed MLS is set be used on 100s of millions of Android phones, @Apple iPhones & other devices thanks to updated RCS specifications, enabling interoperable encryption between different platforms for the first time:

We are thrilled to share that @Cisco has contributed new equipment valued at US$1.3M to support the IETF meeting networks that provide unsurpassed performance to the more than 1000 participants who gather onsite and remotely around the world 3x each year:

Thanks to #IETF122 Bangkok host @JuniperNetworks, Gold Sponsors @Akamai , @Huawei and @ericsson, and all the other IETF sponsors supporting the global community that develops technologies at the foundation of the Internet! Check out livestreams at:

It's underway! The week of #IETF122 Bangkok hosted by @JuniperNetworks has kicked off with the #IETFHackathon. Select sessions are streamed live and all sessions are available on demand after the meeting. Find links and more information at:

It's almost time for #IETF122 Bangkok hosted by @JuniperNetworks ! If you haven't already, check out the Suggested Sessions for Getting Familiar with New Topics post. There's still time to register for in-person or remote participation, too!

A Sustainable Internet: How to get there from here. After a successful side meeting during the #IETF121 meeting, the new Sustainability and the Internet (SUSTAIN) Proposed Research Group will have its first meeting during #IETF122 Bangkok. Learn more:

IETF email service issues have been resolved as of 4 March 2025. All messages in the queue were delivered by 0700 UTC on 4 March and the system is now keeping up. More at:

As of 2025-03-03 23:23 UTC we are experiencing delays—sometimes over 4 hours—in delivering messages to IETF email lists. We are working on short-term and long-term fixes and will update this post as the status evolves: