Protocols and standards
RFC 3031, Multiprotocol Label Switching Architecture
RFC 3032, MPLS Label Stack Encoding
RFC 5462, Multiprotocol Label Switching (MPLS) Label Stack Entry: "EXP" Field Renamed to "Traffic Class" Field
RFC 3031, Multiprotocol Label Switching Architecture
RFC 3032, MPLS Label Stack Encoding
RFC 5462, Multiprotocol Label Switching (MPLS) Label Stack Entry: "EXP" Field Renamed to "Traffic Class" Field