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What options are there to achieve low-latency communication between two wars running in the same jetty-container? I basically need to call a service in one war from the other, but can't afford the overhead of calling it as a web service. Since they are running in the same JVM, I'm hoping to avoid using RMI/JMS etc., but I don't know what other options I have? I've looked at inter-servlet communication, but since direct method invocation is deprecated that doesn't seem to be the right choice? I also found kyronet , but are there better solutions since this is in the same JVM? What I'm looking for is something like Apache Camel's VM Component ( seda between web-applications), but since only one of the applications is using Camel for this is not an option. I know I might have to share some DTO's between the wars, but please don't suggest pulling the service into a shared library, if that was an option I wouldn't be asking this question:) Edit: Embedding an EJB-container is probably not an option either.

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