Rails 3 introduced a new routing DSL that is a little bit different from the Rails 2 version. This quick guide covers a few examples of the new routes, and how they compare to Rails 2. Simple routes Create a basic route that will respond to http://localhost:300/hello_world # Rails 2: map.connect 'hello_world', :controller => 'posts', :action => 'index' # Rails 3: match 'hello_world' => 'posts#inde