Index: doc/proposals/concurrency/thePlan.md
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+_Phase 1_ : Prototype
+Threads and Processors.
+Main needs to call process
+
+_Phase 2_ : Minimum Viable Product
+Main thread is a cfa thread
+Basic monitors for synchronisation and minimal lock support.
+No internal/external scheduling.
+Synchronisation points in thread destructors.
+
+_Phase 3_ : Kernel features
+Threads features ex: detach
+Internal scheduling
+Clusters
+
+_Phase 4_ : Monitor features
+Multi monitors calls,
+External scheduling
+
+_Phase 5_ : Performance
+Proper scheduler
+...
+
+