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Name: FEATURES 
1:
WEEL Features
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* Reuses an existing virtual machine for executing control flow
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* Has a core size of ~ 700 LOC.
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* Uses ~ 2 MiB of RAM per instance.
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* Can utilize multiple threads per instance.
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* Cold starts an instance in less than 2ms.
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* Provides a DSL for defining processes.
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* It provides better coverage of workflow patterns compared to Oracle BPELPM,
9:
  jBOSS jBPM, and Apache Ode.
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* Supports BPEL and other languages through transformation to a directly
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  executable DSL.
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* Pluggable event & protocol backend for activities.
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14:
WEEL Applied Benefits
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* Repair & adpatation - change description, change thread of control.
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* Stop & restart process instances.
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* Pause & restart activities (through flexible HandlerWrapper implementation).
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* Build your own process engines & process languages.
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* Never worry about the speed of the engine - updates of ruby interpreter
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  (ruby 1.9, ruby 2.0, jruby) ensure speed.