Applications
Hypervisor
HW
App 1
VM1
VM2
VM3
VM4
VM5
VM6
VMN
IMS
MME S/P GW HSS P CRF Radio
Function N
App 2
App 3
App N
Cloud
Application
Manager
Application
Security
VNF Specific
Security
Virutalized
Security
OpenFlow
Controller
Firewall IDS/IPS
Hardware
Security
Network
Configuration
Compute
Storage
Networking
System File
OS
SW Management
VW Management
Routing Protocols
MVNO 1
Public Cloud
Hybrid Cloud
Private Cloud
Virtualized Network Functions
MVNO 2
MVNO N
IaaS
PaaS
SaaS
TaaS
Security Requirements
Figure 14.8 Cloud security for operators.