Architecture
The following figure shows the network access flow of ASCS or SAP HANA overlay IP from outside the VPC.
![SAP High Availability with Overlay IP and Elastic Load Balancer](images/ha-overlay-ip-image6.png)
Figure 6: SAP High Availability with Overlay IP and Elastic Load Balancer
Pricing for Network Load Balancers:
With Network Load Balancers, you only pay for what you use. See Elastic Load Balancing
pricing