BRAIN Journal-About the Design of QUIC Firefox Transport Protocol-Figure 5. The head-of-line blocking in TCP/TLS

Multiplexed streams: After establishing a connection, each QUIC connection forms a stream for every needed resource. Streams can be represented by a two way communication channel abstraction. Each and every stream has a stream ID. All the data and ACK packets are sent through as QUIC streams (illustrated in Figure 5).