4c0d7117_ublic_IaaS_Cloud__How_I_Did_It__Description
[Req] 4 [My Summary] Rely on CSP for HW->Hypervisor related compliance- Use SSL to the Load Balancer, private network behind that. Use well-vetted VPN if linking networks. Note: No huge difference between cloud or hosted here. The cloud issues in this area are more around maturity of the networking stacks (e.g., arguably easier to slap in a physical VPN concentrator and hookup networks). This will change as the technology matures. [Description] 
Encrypt transmission of cardholder data across open, public networks
PCI Compliance in the Public IaaS Cloud: How I Did It
Description