5G NB-IoT: Efficient Network Traffic Filtering for Multitenant IoT Cellular Networks

Table 3

Selected fields of the tests carried out using different Infrastructures.

PROTOCOL	FIELDS	BITS	TEST 1	TEST 2	TEST 3
IP	src_ip	32	✓	✓	✓	GROUP 1
	dst_ip	32		✓	✓
	protocol	8			✓
UDP	src_port	16	✓	✓	✓
	dst_port	16		✓	✓
TOTAL SIZE:			48	96	104
VXLAN	vni	24	✓	✓	✓	GROUP 2
MAC	src_mac	48	✓	✓	✓
	dst_mac	48		✓	✓
	type	16			✓
IP	src_ip	32	✓	✓	✓
	dst_ip	32		✓	✓
	protocol	8			✓
UDP	src_port	16	✓	✓	✓
	dst_port	16		✓	✓
TOTAL SIZE:			168	312	344
GTP	teid	32	✓	✓	✓	GROUP 3
IP	src_ip	16	✓	✓	✓
	dst_ip	16		✓	✓
	protocol	8			✓
UDP	src_port	16	✓	✓	✓
	dst_port	16		✓	✓
TOTAL SIZE:			232	408	448
CoAP	code	8	✓	✓	✓	GROUP 4
	version	2		✓	✓
	message_id	16			✓
TOTAL SIZE:			256	418	474