Status @ EclipseCon 2022
24.10.2022
Ditto in a nutshell
Ditto as IoT "middleware"
utilizing
Digital Twin
pattern
Stats
| 2018 | 2019 | 2020 | 2021 | 2022 | |
|---|---|---|---|---|---|
| Github stars | 65 | 117 | 204 | 318 | 411 |
| Docker pulls ~ | 1.200 | 3.200 | 10.000 | 45.000 | 80.000 |
| Active committers | 8 | 9 | 8 | 7 | 8 |
| Adopters* | 1 | 3 | 6 | 6 | 6 |
| Contributors | - | ~ 3 | ~ 8 | ~ 5 | ~ 8 |
* officially declared, we know of more
Achievements
- 2.3.0 (01/2022): HTTP API for "live" commands, smart-channel (twin/live) selection based on condition
- 2.4.0 (04/2022): Experimental W3C WoT integration, SSE API for subscribing to messages, several placeholder improvements (e.g. support of lists + splitting in JWT placeholders)
3.0.0 (09/2022)
- finalized W3C WoT integration
- added option to search in JSON arrays
- finalized "metadata" (of twins) management
- HTTP API for managing connections
- Ditto Explorer UI
- addition of CloudEvents payload mapper (via Google SoC)
- new search index massively improving MongoDB utilization
- removal of former "ditto-concierge" service reducing total amount of services from 6 to 5
- simplify extending Ditto via extensions
Current topics
- Akka license change from ASL-2.0 to BSL-1.1
- Ditto heavily relies on the Akka toolkit
- hope that fork of Akka under Apache-Foundation with name "Pekko" will be a success
Roadmap
- 3.1.0 (late 2022):
- Policy Imports
- Conditional message sending
- Eclipse Hono connection type
- outlook:
- Publishing official benchmark of Ditto
- History API
- Stream persisted changes from/to given revision/time
- Retrieve thing/policy/connection at given revision/time