Research Article
5G NB-IoT: Efficient Network Traffic Filtering for Multitenant IoT Cellular Networks
Table 2
Encapsulation groups, purpose, and interested fields to be matched.
| GROUP | PURPOSE | PROTOCOLS | FIELDS TO BE MATCHED |
| GROUP 1 | PHYSICAL COMMUNICATION | IP | SOURCE IP ADDRESS | DESTINATION IP ADDRESS | PROTOCOL | UDP | SOURCE PORT DESTINATION PORT |
| GROUP 2 | TENANT ISOLATION | VXLAN MAC IP | VNID MAC SOURCE ADDRESS | MAC DESTINATION ADDRESS | TYPE SOURCE IP ADDRESS | DESTINATION IP ADDRESS PROTOCOL | UDP | SOURCE PORT | DESTINATION PORT |
| GROUP 3 | DEVICE MOBILITY | GTP | TUNNEL IDENTIFIER | IP | SOURCE IP ADDRESS DESTINATION IP ADDRESS | PROTOCOL | UDP | SOURCE PORT | DESTINATION PORT |
| GROUP 4 | NB-IoT APPLICATION | COAP | CODE | VERSION | MESSAGE ID |
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