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Stakeholders	All Open edX developers

Project Roadmap

Milestone	Deliverables	Target End Date	Status	Additional Notes	Milestone Work
Milestone 1	Draft OEP, Initial POC	Sept 2021	Complete		Complete
Milestone 2	Finalize OEP, Optional event in Prod	Feb 2022	In-progress	Ends initial discovery; Holidays could stretch this
Milestone 3	Abstraction Layer, Finalize OEP
Milestone 3	Onboarding docs, Limited new optional events, Sandboxes or Edge?	June 2022 (Nutmeg)		New events may be squad dependent; start preparing community
Milestone 4	Events Bus will be required	Dec 2022 (Olive)		Community needs an Event Bus implementation

The following high-level items will be worked on in parallel to the extent they enable each other.

Document: Draft OEP
- Explaining higher level need. (IN PROGRESS)
  - https://github.com/edx/open-edx-proposals/pull/233
- Draft child ADR choosing a technology.
Implement:
- Milestone 1: POC of basics working in devstack
  - Schemas
- Milestone 2: Optional event to production (IN PROGRESS)
  - Development: Error Handling, Data Liberation, Dead Letter Queues, Retries, Use Cases, etc. as-needed.
  - Hosting: Scaling, Monitoring, Schemas, etc. (Some schedule risk with vendor approval.)
- Milestone 3: Onboarding docs, Limited new optional events
  - Enable additional squads; limited onboarding
    - Event Bus Use Cases for notes on possible next events
  - Events will be optional for Nutmeg to allow community time to get ramped up
  - Sandboxes or Edge?
- Milestone 4: Event bus required
  - Events can be required for Olive. Community must have a solution.
Educate: (IN PROGRESS)
- Education directly related to events, crafting OEP, and trialing technology
- Event-Driven Architecture Book Club
- Onboarding documentation