 source and destination port numbers (e.g. TCP port, UDP port); Protocol Identifier (ID) (in IPv4) or Next Header (in IPv6) giving the protocol above the IP layer in the stack (e.g. TCP, UDP); Table 5.9 5G QoS indicator (5QI) list. Default Resource Delay Packet maximum data Priority budget (ms) loss rate burst volume Targeted services 160 bytes Remote control 320 bytes ITS (intelligent transport systems) Delay Critical GBR 640 bytes Other delay critical services 255 bytes Discrete automation 1358 bytes Discrete automation Voice over IP (VoIP) Video call and live streaming Real-time gaming, V2X messages Buffered video streaming (not conversational) Mission critical push to talk (MCPTT) voice Non-mission critical push to talk voice Vehicle-to-X (V2X) messages 255 bytes Discrete automation 1358 bytes Discrete automation IMS signaling Buffered video streaming, interactive TCP-based applications (Web, email, file sharing, etc.) Voice, live video streaming, interactive gaming Non-GBR Buffered video streaming, interactive TCP-based applications (Web, email, file sharing, etc.) Mission Critical signaling (e.g. MCPTT signaling) Mission Critical Data from buffered video streaming, interactive TCP-based applications (Web, email, file sharing, etc.) V2X messages Low latency eMBB augmented reality 5 QoS for Mobile Ultra-Broadband ToS field in IPv4 header or Traffic class (i.e. DSCP field) in IPv6 header, for traffic differentiation on the IP layer based on defined classes (e.g. with DiffServ); flow label, which is available only in IPv6 headers (identification of flows in IPv4 uses the five-tuple, consisting of source and destination IP addresses, source and destina- tion ports, and the transport protocol above the IP); security parameter index, which is used in case of IPsec protected packets; direction of the filter, which can be either downlink or uplink. The QoS rule precedence value determines the order for evaluation of the QoS rule. Lower precedence value gives higher priority in evaluation of the QoS rules, and vice v