A company has a live chat application running on its on-premises servers that use WebSockets. The company wants to migrate the application to AWS. Application t...

A company has a live chat application running on its on-premises servers that use WebSockets. The company wants to migrate the application to AWS.
Application traffic is inconsistent, and the company expects there to be more traffic with sharp spikes in the future.
The company wants a highly scalable solution with no server maintenance nor advanced capacity planning.
Which solution meets these requirements?