Important Dates
Calendar subscription Calendar download IETF 125
2026-03-14, Shenzhen, CN
| Date | Weekday | Description |
|---|---|---|
| 2025-09-22 | Week of | IETF Online Registration OpensRegister Here. |
| 2025-12-15 | Monday | Working Group and BOF scheduling begins. To request a Working Group session, use theIETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending anemail to iesg@ietf.org to get advance help with the request. |
| 2026-01-16 | Friday | Cut-off date for BOF proposal requests. To request aBoF session use theIETF BoF Request Tool. |
| 2026-01-26 | Monday | Super Early registration cutoff at UTC 23:59. |
| 2026-01-30 | Friday | Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions athttps://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF. |
| 2026-01-30 | Friday | Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request aWorking Group session, use theIETF Meeting Session Request Tool. |
| 2026-02-06 | Friday | Cut-off date for Area Directors to approve BOFs at UTC 23:59. |
| 2026-02-13 | Friday | Preliminary Agenda published for comment. |
| 2026-02-18 | Wednesday | Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59. |
| 2026-02-20 | Friday | Final agenda to be published. |
| 2026-03-02 | Monday | Early registration and payment cut-off at UTC 23:59. |
| 2026-03-02 | Monday | Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using theI-D Submission Tool. |
| 2026-03-04 | Wednesday | Draft Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-03-09 | Monday | Registration cancellation cut-off at UTC 23:59. |
| 2026-03-09 | Monday | Revised Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-04-10 | Friday | Proceedings submission cutoff date by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-05-04 | Monday | Proceedings submission corrections cutoff date by UTC 23:59. |
IETF 126
2026-07-18, Vienna, AT
| Date | Weekday | Description |
|---|---|---|
| 2026-04-20 | Monday | Working Group and BOF scheduling begins. To request a Working Group session, use theIETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending anemail to iesg@ietf.org to get advance help with the request. |
| 2026-04-27 | Week of | IETF Online Registration OpensRegister Here. |
| 2026-05-22 | Friday | Cut-off date for BOF proposal requests. To request aBoF session use theIETF BoF Request Tool. |
| 2026-06-01 | Monday | Super Early registration cutoff at UTC 23:59. |
| 2026-06-05 | Friday | Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions athttps://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF. |
| 2026-06-05 | Friday | Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request aWorking Group session, use theIETF Meeting Session Request Tool. |
| 2026-06-12 | Friday | Cut-off date for Area Directors to approve BOFs at UTC 23:59. |
| 2026-06-19 | Friday | Preliminary Agenda published for comment. |
| 2026-06-24 | Wednesday | Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59. |
| 2026-06-26 | Friday | Final agenda to be published. |
| 2026-07-06 | Monday | Early registration and payment cut-off at UTC 23:59. |
| 2026-07-06 | Monday | Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using theI-D Submission Tool. |
| 2026-07-08 | Wednesday | Draft Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-07-13 | Monday | Revised Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-07-13 | Monday | Registration cancellation cut-off at UTC 23:59. |
| 2026-08-14 | Friday | Proceedings submission cutoff date by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-09-08 | Tuesday | Proceedings submission corrections cutoff date by UTC 23:59. |
IETF 127
2026-11-14, San Francisco, US
| Date | Weekday | Description |
|---|---|---|
| 2026-08-17 | Monday | Working Group and BOF scheduling begins. To request a Working Group session, use theIETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending anemail to iesg@ietf.org to get advance help with the request. |
| 2026-08-24 | Week of | IETF Online Registration OpensRegister Here. |
| 2026-09-18 | Friday | Cut-off date for BOF proposal requests. To request aBoF session use theIETF BoF Request Tool. |
| 2026-09-28 | Monday | Super Early registration cutoff at UTC 23:59. |
| 2026-10-02 | Friday | Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request aWorking Group session, use theIETF Meeting Session Request Tool. |
| 2026-10-02 | Friday | Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions athttps://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF. |
| 2026-10-09 | Friday | Cut-off date for Area Directors to approve BOFs at UTC 23:59. |
| 2026-10-16 | Friday | Preliminary Agenda published for comment. |
| 2026-10-21 | Wednesday | Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59. |
| 2026-10-23 | Friday | Final agenda to be published. |
| 2026-11-02 | Monday | Early registration and payment cut-off at UTC 23:59. |
| 2026-11-02 | Monday | Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using theI-D Submission Tool. |
| 2026-11-04 | Wednesday | Draft Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-11-09 | Monday | Registration cancellation cut-off at UTC 23:59. |
| 2026-11-09 | Monday | Revised Working Group agendas due by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2026-12-11 | Friday | Proceedings submission cutoff date by UTC 23:59. Upload using theMeeting Materials Management Tool. |
| 2027-01-04 | Monday | Proceedings submission corrections cutoff date by UTC 23:59. |