From the Article: Because SCTP is configurable, we can open multiple data channels with different settings, which saves us tons of work! Typically we have:

From the Article: Because SCTP is configurable, we can open multiple data channels with different settings, which saves us tons of work! Typically we have: an unreliable and unordered data channel for game state data and user inputs a reliable and ordered data channel for chat messages, scores and deaths