Plan for Data Transfer - Cost Optimization Pillar

Plan for Data Transfer

An advantage of the cloud is that it is a managed network service. There is no longer the need to manage and operate a fleet of switches, routers, and other associated network equipment. Networking resources in the cloud are consumed and paid for in the same way you pay for CPU and storage—you only pay for what you use. Efficient use of networking resources is required for cost optimization in the cloud.

Perform data transfer modeling: Understand where the data transfer occurs in your workload, the cost of the transfer, and its associated benefit. This allows you to make an informed decision to modify or accept the architectural decision. For example, you may have a Multi-Availability Zone configuration where you replicate data between the Availability Zones. You model the cost of structure and decide that this is an acceptable cost (similar to paying for compute and storage in both Availability Zone) to achieve the required reliability and resilience.

Model the costs over different usage levels. Workload usage can change over time, and different services may be more cost effective at different levels.

Use AWS Cost Explorer or the Cost and Usage Report (CUR) to understand and model your data transfer costs. Configure a proof of concept (PoC) or test your workload, and run a test with a realistic simulated load. You can model your costs at different workload demands.

Optimize Data Transfer: Architecting for data transfer ensures that you minimize data transfer costs. This may involve using content delivery networks to locate data closer to users, or using dedicated network links from your premises to AWS. You can also use WAN optimization and application optimization to reduce the amount of data that is transferred between components.

Select services to reduce data transfer costs: Amazon CloudFront is a global content delivery network that delivers data with low latency and high transfer speeds. It caches data at edge locations across the world, which reduces the load on your resources. By using CloudFront, you can reduce the administrative effort in delivering content to large numbers of users globally, with minimum latency.

AWS Direct Connect allows you to establish a dedicated network connection to AWS. This can reduce network costs, increase bandwidth, and provide a more consistent network experience than internet-based connections.

AWS VPN allows you to establish a secure and private connection between your private network and the AWS global network. It is ideal for small offices or business partners because it provides quick and easy connectivity, and it is a fully managed and elastic service.

VPC Endpoints allow connectivity between AWS services over private networking and can be used to reduce public data transfer and NAT gateways costs. Gateway VPC endpoints have no hourly charges, and support Amazon S3 and Amazon DynamoDB. Interface VPC endpoints are provided by AWS PrivateLink and have an hourly fee and per GB usage cost.