About Annuus
From ModrinthAnnuus is a mod for minecraft networking, improves network performance and makes the game more available for running on large server.
Annuus is a mod for minecraft networking, improves network performance and makes the game more available for running on large server.
Supported minecraft 1.21.x with fabric loader and neoforge loader, needs fabric-api when using fabric.
When the player doesn't install annuus on the client, network packet will send normally like vanilla.
Performance
Chunk data
> Deflate 1 has less CPU usage, even though that performance is not good enough here \ > So it be considered as a compression option
We have tested view distance as 10 (473), 12 (637), 16 (1057), 32 (3725), installed mod only fabric-api.
| env/chunks | 473 | 637 | 1027 | 3725 | |-------------------:|:----------------------:|:----------------------:|:----------------------:|:------------------------:| | Vanilla | 35.03ms
13.94MB | 40.51ms
18.74MB | 72.57ms
31.66MB | 238.69ms
122.40MB | | Annuus (Deflate 9) | 29.76ms
1.17MB | 50.46ms
2.39MB | 48.6ms
4.04MB | 163.31ms
15.98MB | | Annuus (Deflate 1) | 36.09ms
2.21MB | 51.06ms
2.96MB | 57.94ms
4.99MB | 235.22ms
19.65MB |
Block updates
> The more blocks collect the more advantages in Annuus protocol, such as very huge piston towers
And chunk delta update blocks, every time collect 1229 blocks:
| env/blocks | 2455 | 7365 | 24550 | 78560 | |-------------------:|:------:|:-------:|:-------:|:--------:| | Vanilla | 9.72KB | 29.16KB | 97.2KB | 311.06KB | | Annuus (Deflate 9) | 6.79KB | 20.39KB | 67.97KB | 217.53KB | | Annuus (Deflate 1) | 6.35KB | 19.07KB | 63.59KB | 203.5KB |
Recipes synchronize
| env/recipes | 1290 | 9587 | |-----------------------------------:|:--------:|:--------:| | Vanilla | 105.73KB | 692.2KB | | Replacement v1
(no_compress) | 94.4KB | 612.86KB | | Replacement v1
(deflate_9) | 19.61KB | 135.9KB | | Replacement v1
(deflate_1) | 24.11KB | 169.11KB |
Highlights
From source dataGame versions
Supports 12 Minecraft versions, the newest being 1.21.11.
Loaders
Runs on Fabric and NeoForge.
Footprint
Rated a light load on a server.
What kind of mod it is
From the catalogPerformance
Makes the game or server run faster or lighter without changing how it plays.
Runs on your server
From source side supportModrinth lists Annuus as required on the server. Check its Modrinth page to see whether players need it too.
Compatibility
- Game
- Minecraft
- Loaders
- FabricNeoForge
- Runs on
- Serverrequired on the server
- Game versions
- 1.21.11 and 11 earlier
Verified at the source
- ✓ModrinthOfficial listing, checked 2026-10-01Open ↗
- ✓Authorcao-awa, as published on Modrinth
- ✓LicenseGPL-3.0-onlyFree









