Table 1.

Summary of evaluation on real-world firewalls

Fw	Rules	Chain (unfolded)	Simple rules (no ifaces)	Use	Parts (ITVal)	SSH	HTTP	Time (ITVal)	Time (this) [s]
A	2784	FW (2376)	2381 (1920)		246 (1)	13	9	3 ${\text{h}}^{\mathrm{a}}$	172
	–	FW (2376)	2837 (581)		522 (1)	1	1	9 ${\text{h}}^{\mathrm{a}}$	194
A	4113	FW (2922)	3114 (2862)		334 (2)	11	11	27 ${\text{h}}^{\mathrm{a}}$	302
	–	FW (2922)	3585 (517)		490 (1)	1	1	8 h	320
A	4814	FW (4403)	3574 (3144)		364 (2)	9	12	46 ${\text{h}}^{\mathrm{a}}$	477
	–	FW (4403)	5123 (1601)		1574 (1)	1	1	3 ${\text{h}}^{\mathrm{a}}$	618
A	4946	FW (4887)	4004 (3570)		371 (2)	9	12	53 ${\text{h}}^{\mathrm{a}}$	578
	–	FW (4887)	5563 (1613)		1585 (1)	1	1	4 ${\text{h}}^{\mathrm{a}}$	820
B	88	FW (40)	110 (106)		50 (4)	4	2	2 s	3
	–	FW (40)	183 (75)		40 (1)	1	1	1 s	2
C	53	FW (30)	29 (12)		8 (1)	1	1	1 s	1
	–	FW (30)	27 (1)		1 (1)	1	1	1 s	1
	–	IN (49)	74 (46)		38 (1)	1	1	1 s	1
	–	IN (49)	75 (21)		6 (1)	1	1	1 s	1
D	373	FW (2649)	3482 (166)		43 (1)	1	1	3 s	22
	–	FW (2649)	16592 (1918)		67 (1)	1	1	33 ${\text{min}}^{\mathrm{a}}$	49
E	31	IN (24)	57 (27)		4 (3)	1	2	1 s	10
	–	IN (24)	61 (45)		3 (1)	1	1	1 s	1
F	263	IN (261)	263 (263)		250 (3)	3	3	2 min	80
	–	IN (261)	265 (264)		250 (3)	3	3	3 min	57
G	68	IN (28)	20 (20)		8 (5)	1	2	1 s	8
	–	IN (28)	19 (19)		8 (2)	2	2	1 s	1
H	19	FW (20)	10 (10)		9 (1)	1	1	1 s	8
	–	FW (20)	8 (8)		3 (1)	1	1	1 s	1
I	15	FW (5)	4 (4)		4 (4)	4	4	1 s	8
	–	FW (5)	4 (4)		4 (4)	4	4	1 s	1
J	48	FW (12)	5 (5)		3 (2)	2	2	1 s	6
	–	FW (12)	8 (2)		1 (1)	1	1	1 s	1
K	21	FW (9)	7 (6)		3 (1)	1	1	1 s	12
	–	FW (9)	4 (3)		2 (1)	1	1	1 s	1
L	27	IN (16)	19 (19)		17 (3)	2	2	1 s	1
	–	IN (16)	18 (18)		17 (3)	2	2	1 s	1
M	80	IN (92)	64 (16)		2 (2)	1	2	1 s	6
	–	IN (92)	58 (27)		11 (1)	1	1	1 s	1
N	34	FW (14)	12 (12)		10 (6)	6	6	2 s	2
	–	FW (14)	12 (12)		10 (6)	6	6	2 s	1
O	8	IN (7)	9 (9)		3 (3)	1	2	1 s	1
	–	IN (7)	8 (8)		3 (3)	1	2	1 s	1
P	595	IN (15)	8 (8)		3 (2)	2	2	1 s	6
	–	IN (15)	9 (9)		3 (2)	2	2	1 s	6
	595	FW (66)	64 (64)		60 (5)	5	4	22 s	6
	–	FW (66)	63 (63)		60 (5)	5	4	22 s	7
Q	58	IN (59)	65 (65)		21 (1)	1	1	2 s	2
	–	IN (59)	62 (62)		21 (2)	2	1	2 s	1
R	30	FW (28)	123 (123)		14 (1)	1	6	1 s	1
	–	FW (28)	20 (3)		2 (2)	2	1	1 s	1

${}^{\mathrm{a}}$ ITVal memory consumption, in order of appearance: 84, 96, 94, 95, 61, 98, 96 and 21 GB