Client Server Initial[0]: CRYPTO[CH] 0-RTT[0]: STREAM[0, "..."] -> Initial[0]: CRYPTO[SH] ACK[0] Handshake[0] CRYPTO[EE, FIN] <- 1-RTT[0]: STREAM[1, "..."] ACK[0] Initial[1]: ACK[0] Handshake[0]: CRYPTO[FIN], ACK[0] 1-RTT[1]: STREAM[0, "..."] ACK[0] -> Handshake[1]: ACK[0] <- 1-RTT[1]: HANDSHAKE_DONE, STREAM[3, "..."], ACK[1]