NOSArmor: Building a Secure Network Operating System

Table 5

Comparison of security features supported by NOSArmor, Rosemary [10], SE-Floodlight [9], SDNShield [8], and TopoGuard [5].

Security building block	NOS	R	SE	S	T
Role-based authorization	✓	✓	✓	✓	-
Host location tracker	✓	-	-	-	✓
Link verifier	✓	-	-	-	✓
Rule conflict mediator	✓	-	✓	-	-
Process separation	✓	✓	✓	✓	-
OpenFlow protocol verifier	✓	-	-	-	-
System call checker	✓	✓	-	-	-
Resource manager	✓	✓	✓	-	-