Various methods for scaling Ruby on Rails web applications, including a new approach called BJAX, which relies on an embedded Flash application in the client's browser to push javascript to the client upon completion of processes running in the background.
Questions Answered:
Does Ruby on Rails scale?
What methods are currently in place for scaling web applications?
Where are the potential bottlenecks in web application deployment?
Where are the bottlenecks in Rails application deployments?
Can Flash be considered a web standard?
Should more processing be moved off the server and to the client?
When can we expect HTML5 to be in general use?
Can processor intensive calculations be handled by a web server?
From an architechtural standpoint, what did Twitter do wrong?
What is the future of web application development and deployment with Ruby on Rails?