title: WCF - static variables in a clustered environment
body: <p>I want to try to set up some WCF services on a production environment with two or more clustered and load balanced web servers. Can anybody please answer the following questions?</p>
  
  <ol>
  <li>In Clustered server environment, how can I use Singleton object and static variables?</li>
  <li>EF Caching provider (see <a href="http://code.msdn.microsoft.com/EFProviderWrappers-c0b88f32" rel="nofollow">http://code.msdn.microsoft.com/EFProviderWrappers-c0b88f32</a> ): can it be used in a clustered environment?</li>
  </ol>