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- Overall development/L2/L3 production architecture:
- Making Tasks truly modular with clearly-defined interfaces.
- Enabling clear and machine-modifiable sequencing and "wiring together" of Tasks.
- Proper use of the Butler for Task I/O of all types (persistent, non-persistent, visualization).
- Workflow system for orchestrating small or large numbers of Task and Task sequence executions.
- Data access services:
- How the Butler gets and provides access to remote resources.
- How many kinds of APIs to provide to general users? VO, DAX, direct DB access, butler?
- LSST commitment to VO support:
- Which VO standards to support and which team(s) to work on them?
- Archive ingest and file and metadata management
- Format and transmission of alert packets
- How far do we rely on "the community" to define VOEvent 2020 & associated transport protocol?
- What capabilities with will the "basic, limited capacity alert filtering service" (LSE-163 §4.5.2) provide?
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