Decision Workspace
zerodds-qos vs zerodds-cdr vs zerodds-foundation
Side-by-side comparison of Rust crates
58
zerodds-qos
experimentalv1.0.0-rc.1
DDS QoS policies (DDS 1.4 §2.2.3) + Request/Offered Compatibility-Matrix + PL_CDR_LE PID-Wire-Codec (DDSI-RTPS §9.6.3.2). Pure-Rust no_std + alloc.
56
zerodds-cdr
experimentalv1.0.0-rc.1
XCDR1/XCDR2 encoder/decoder + KeyHash + PL_CDR1 helpers. Implements OMG XTypes 1.3 §7.4 wire format. Pure-Rust no_std + alloc.
58
zerodds-foundation
experimentalv1.0.0-rc.1
ZeroDDS foundation primitives: hot-path stack buffer, wire-integrity hashes (CRC-32C / CRC-64-XZ / MD5), structured observability events + sinks, tracing spans + histograms, lock-free RCU cell. Pure-Rust no_std.
Core Metrics
| zerodds-qos | zerodds-cdr | zerodds-foundation | |
|---|---|---|---|
| Health Score | 58 | 56 | 58 |
| Total Downloads | 127 | 164 | 172 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 21 | 17 | 9 |
| Releases | 1 | 1 | 1 |
| Last Updated | 18d ago | 18d ago | 18d ago |
| Age | 18d | 18d | 18d |
Health Breakdown
zerodds-qos
Maintenance
12
Quality
18
Community
10
Popularity
3
Documentation
15
zerodds-cdr
Maintenance
12
Quality
17
Community
9
Popularity
3
Documentation
15
zerodds-foundation
Maintenance
12
Quality
19
Community
9
Popularity
3
Documentation
15
Technical Details
| zerodds-qos | zerodds-cdr | zerodds-foundation | |
|---|---|---|---|
| Version | 1.0.0-rc.1 | 1.0.0-rc.1 | 1.0.0-rc.1 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 | Apache-2.0 |
| Dependencies | 1 | 7 | 0 |
| Crate Size | 35KB | 54KB | 22KB |
| Features | 3 | 4 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | 1.88 | 1.88 | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •zerodds-qos leads with a health score of 58/100, but none of the options score above 80.
- •zerodds-foundation has the most downloads (172), suggesting wider adoption.