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Table 4 Allocation of DSCP bits for T2W services

From: A novel network architecture for train-to-wayside communication with quality of service over heterogeneous wireless networks

Services Class Priority DSCP Traffic Class
Passenger internet A 1 000011 00001100 (0 × 0C)
Crew intranet A 2 000111 00011100 (0 × 1C)
Diagnostics A 3 001011 00101100 (0 × 2C)
Application update A 4 001111 00111100 (0 × 3C)
Content update     
TCMS event B 4 010011 01001100 (0 × 4C)
CCTV security C 5 010111 01011100 (0 × 5C)
Intercom (VoIP) D 6 011011 01101100 (0 × 6C)
CCTV safety E 6 011111 01111100 (0 × 7C)
TCMS cyclic F 6 100011 10001100 (0 × 8C)
Public address G 7 100111 10011100 (0 × 9C)
PIS data     
Configuration traffic G 8 101011 10101100 (0 × AC)