Allen Helton, AWS Serverless Hero and Ecosystem Engineer at Momento, discusses the shift towards building asynchronous apps, the impact of response times on user experience, the challenges of synchronous transcriptions, meeting user demands, and the future of software development.
Asynchronous processes in software development enhance efficiency and flexibility by allowing for decoupling and independent scaling.
Providing feedback and status updates to users in asynchronous processes keeps them engaged and provides a more seamless and interactive experience.
Deep dives
Synchronous vs. Asynchronous Processes in Application Development
Synchronous processes in application development involve a request-response model where the request is made and the application waits for a response. This is similar to going to a library and waiting for a librarian to find the books you requested. Asynchronous processes, on the other hand, are more like a "fire and forget" approach. The request is made, and the application continues its other tasks until a notification or response is received. Asynchronous processes are becoming increasingly important in software development due to changing user expectations and the need for faster, more efficient workflows.
The Impact of User Experience on Software Success
User experience plays a crucial role in the success or failure of software. With numerous options available to users, a good user experience is essential to prevent users from choosing alternative software. Providing a fully-featured application is not enough if the user experience is poor. Additionally, from a backend perspective, moving away from synchronous applications allows for decoupling, independent scaling, and running processes in parallel, enhancing efficiency and flexibility.
The Significance of Response Times in User Experience
Response times greatly influence the user experience. Research indicates that if an application can respond in less than 100 milliseconds, users feel a direct connection between their actions and the changes in the application. However, as response times extend from 0.1 seconds to 1 second, the sense of interactivity diminishes, and users may start to question whether their actions are having an effect. Beyond 1 second, attention spans begin to wane, and beyond 10 seconds, users are likely to abandon the application altogether.
The Role of Interactivity in Async Processes
Interactivity plays a vital role in keeping users engaged in asynchronous processes. Providing feedback and status updates to users makes them feel that progress is being made, resetting their attention timers. Services like messaging platforms utilize interactivity effectively, such as message delivery confirmations, read receipts, and typing indicators. These mechanisms keep users engaged and provide a more seamless and interactive experience.
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Special Guest: Allen Helton.
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