# Cross-Domain Data with Rack and Rails -- http://bit.ly/BNw6T

**URL:** <https://www.ruby-forum.com/t/cross-domain-data-with-rack-and-rails-http-bit-ly-bnw6t/169069>\
**Category:** Rails\
**Created:** [May 28, 2009, 11:13pm UTC](https://www.ruby-forum.com/t/cross-domain-data-with-rack-and-rails-http-bit-ly-bnw6t/169069 "2009-05-28T23:13:04Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![LJMecca](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/f475e1/32.png) [@LJMecca](https://www.ruby-forum.com/u/LJMecca)\
**Post date:** [May 28, 2009, 11:13pm UTC](https://www.ruby-forum.com/t/cross-domain-data-with-rack-and-rails-http-bit-ly-bnw6t/169069/1 "2009-05-28T23:13:04Z")

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A big theme from RailsConf a few weeks ago was the arrival of Rack in  
Rails as of version 2.3. The first topic that seemed to pique  
developer interest was Rails Metal – especially the speed bump of  
using a lighter stack for high volume URIs. While this is a useful  
upgrade to Rails, the architectural shift provided by Rack brings new  
flexibility.

Read more about the value of mounting Rack middleware in your Rails  
stack: [http://bit.ly/BNw6T](http://bit.ly/BNw6T)