NOSArmor: Building a Secure Network Operating System

Table 2

Eight SBBs for addressing security concerns existing in SDN network.

Security building block	Network asset	C	I	A
Role-based authorization	Data-related assets	✓	-	-
Host location tracker	Host	-	✓	-
Link verifier	Link	-	✓	-
Rule conflict mediator	Flow rule	-	✓	-
Process separation	Core system	-	-	✓
OpenFlow protocol verifier		-	-	✓
System call checker		-	-	✓
Resource manager	CPU and memory	-	-	✓