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Table 6 Comparison of the two options to implement tunnels between MCE and WCE for mobility support as depicted in Figure 11

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

  Option 1 Option 2 (preferred)
Tunnel socket per Service Class Network interface
Scheduling by Tunneling protocol Scheduler module
Links per Multiple active socket links (multi-path) One link + back-up links (multi-homing)
Contention per link Yes Only during link failure
Data traffc fow over multiple links Yes (risk for jitter) No
Protocol suggestions MP-TCP SCTP