What is AWS Wavelength?

AWS Wavelength is a new AWS infrastructure designed to build mobile applications with extremely low latencies. It deploys AWS compute and storage services in close proximity to 5G network providers’ data centers, known as Wavelength Zones. This setting helps reduce latency as the data does not need to travel long distances.

Architecture diagram
Architecture diagram

Primary concepts of AWS Wavelength

The primary concepts of AWS Wavelength are as follows:

  • Wavelength: This new AWS infrastructure links high-bandwidth and ultra-low latency of 5G networks with AWS compute and storage services.

  • Wavelength Zone: It is the location where Amazon infrastructure of the carrier site is deployed. It is an extension of the AWS Region.

  • VPC: Amazon’s Virtual Private Cloud (VPC) allows users to create logically isolated virtual sections of Amazon Cloud where they can launch desired AWS services. Amazon EC2 instances are one of the resources deployed in the subnets associated with customers’ VPC zones.

  • Wavelength subnets: A subnet in Amazon Web Service (AWS) is a designated array of IP addresses within a Virtual Private Cloud (VPC). Subnets are created in Wavelength Zones to run AWS services such as EC2.

  • Carrier gateway: It manages inbound and outbound traffic. The inbound traffic moves from the carrier network, and the outbound traffic moves toward the carrier network and internet.

  • Wavelength application: The application that is run on the AWS resource present in Wavelength Zone.

How AWS Wavelength works

Here is a flow showing how AWS Wavelength works:

Working of AWS Wavelength
Working of AWS Wavelength

The applications that require low latency are directly connected to the resources running in the AWS region. This decreases the time the traffic takes to reach end-users, increasing the application’s performance.

When to use AWS Wavelength

AWS Wavelength is used to optimize users’ experience when using the application. The applications that must reach their end users within milliseconds can use AWS Wavelength. For instance, if we want to develop a live video or game streaming application, AWS Wavelength will help us by reducing the latency and increasing the application’s performance. More specifically, AWS Wavelength allows the traffic/data from the device on the 5G network to move toward the application’s resource on the AWS cloud very quickly.

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