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• Events are used for validation and conversion using map processor, while services are used for business logic like CRUD operation
• Service returns Map
• Event returns String.
• Services are loaded with the server, any changes in definition (not implementation if in MiniLang) needs a reload
• We can call service inside event. But we cannot call event inside service.
• An event is specific local piece functionality normally used in one place for one purpose and called from its location.
• A service is a piece of functionality which can be located anywhere on the network, is most of time used in several different places and is called by its 'name'
• In case of events you have access to HttpServletRequest and HttpServletResponse objects and you can read/write whatever you want. In case of services, you have access only to service parameters.
• Services perform transaction rollback if any error occurs, not events.

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