AWS Cost best practices for data transfer

Data transfer costs can quickly become a significant expense in your AWS bill if not managed properly. This article outlines some best practices for optimizing data transfer costs in AWS without compromising on performance or security.
January 16, 2022
min read
Yehonatan Rumyantsev
Cloud Specialist
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TL;DR

Data transfer costs can quickly become a significant expense in your AWS bill if not managed properly. This article outlines some best practices for optimizing data transfer costs in AWS without compromising on performance or security.

  1. Choose the Right Storage Class

AWS offers various storage classes for Amazon S3 and EBS, each with its data transfer cost structure. Understanding the characteristics of each storage class can help you optimize costs by choosing the most suitable option for your use case. For example, you can use S3 One Zone-Infrequent Access or S3 Glacier for infrequently accessed data to reduce storage and data retrieval costs.

  1. Leverage AWS Direct Connect

AWS Direct Connect is a dedicated network connection from your on-premises environment to AWS. By using Direct Connect, you can reduce data transfer costs, increase bandwidth throughput, and provide a more consistent network experience compared to internet-based connections.

  1. Use AWS DataSync

AWS DataSync automates and accelerates the movement of data between on-premises storage systems and AWS services, including Amazon S3, EFS, and FSx. DataSync can help you optimize data transfer costs by compressing and consolidating data before transferring it to AWS.

  1. Optimize Data Transfer Between Regions

Data transfer between AWS regions incurs costs, so it's essential to minimize inter-region data transfers. Deploy your applications and resources in the same region whenever possible, and use regional endpoints to reduce the need for cross-region transfers. If inter-region data transfers are unavoidable, consider using AWS Transit Gateway or VPC peering to optimize costs.

  1. Cache Content with Amazon CloudFront

Amazon CloudFront is a content delivery network (CDN) that caches content at edge locations, reducing data transfer costs and improving user experience. By using CloudFront, you can offload data transfer to the CDN, which reduces the amount of data transferred from your origin servers, lowering costs.

  1. Minimize Data Egress

Data egress refers to data transferred out of AWS to the internet or other cloud providers. Minimizing data egress can significantly reduce data transfer costs. You can achieve this by compressing and optimizing content, utilizing caching mechanisms like CloudFront, and implementing data processing within AWS to avoid unnecessary data transfers.

  1. Use Amazon S3 Select and Amazon Glacier Select

Amazon S3 Select and Glacier Select allow you to retrieve only a subset of data from your S3 objects or Glacier archives, reducing the amount of data transferred and the associated costs. Use these services to optimize data transfer costs when you need to access specific portions of your stored data.

  1. Monitor and Analyze Data Transfer Costs

Regularly monitor and analyze your data transfer costs using tools like AWS Cost Explorer, AWS Budgets, and AWS Trusted Advisor. Identify trends and inefficiencies to optimize your data transfer strategy accordingly. Consider setting up cost allocation tags to gain granular insights and control over your data transfer costs.