> I need to implement a distributed environment which is scalable i. SOA > based . caboose published an interesting article on scaling up a rails app recently, it might give you some insight : http://blog.caboo.se/articles/2007/7/29/scale-rails-from-one-box-to-three-four-and-five > what webserver can i use ? Twitter is a rails app that handles hundreds of requests per second. Some insights into their scaling issues are covered in this presentation : http://www.slideshare.net/Blaine/scaling-twitter Good luck ! Chris -- Posted via http://www.ruby-forum.com/.