The IETF community often has discussions about topics that are of interest to the broader IETF community.
Community discussions often take place outside the IETF Working Group processes. They can take several forms, including email lists, Birds of a Feather sessions at IETF meetings, and focused workshops.
Workshops are often more structured discussions about a topic of interest to the IETF community
While email lists are a key tool for IETF working groups, email lists also are often used to discuss particular topics of interest to the IETF community.
Birds of a Feather sessions (BoFs) are initial, informal, in-person discussions about a particular the topic of interest to the IETF community. BoFs may or may not lead to establishing an IETF Working Group.