title: RESTFul - Should i use a XMLSchema validation?
body: <p>Im starting a Restful architecture (using JBoss Resteasy and Spring), i already did the basic setup (division of layers, configuration, content negotiation, URI design, etc). Its almost OK, to finish it, i still need clear some questions, that are: </p>
  
  <p>Should i use a XMLSchema validation for my services? When i need it? Its OK with the REST good practices ?</p>
  
  <p>What about your opinion?</p>
  
  <p>Thanks!</p>