The circuit relay is a means to establish connectivity between libp2p nodes (e.g. IPFS nodes) that wouldn't otherwise be able to establish a direct connection to each other.
Use whatever resources available to you, in order to come up with a visual representation of the topic that can be projected on to a poster (similar in spirit to the poster description but with whatever creative freedom your group prefers :^)
- What scenarios is this useful in / what problems does this solve?
- How is it done?
- How can/do nodes participate as relays?