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Annuus

by cao-awa · for Minecraft

Annuus is a mod for minecraft networking, improves network performance and makes the game more available for running on large server.

38KDownloads
10 mo agoLast updated
GPL-3.0-onlyLicense
Fabric · NeoForgeLoaders

About Annuus

From Modrinth

Annuus 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 data

Game 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 catalog
Listed on Modrinth as “Mods”

Performance

Makes the game or server run faster or lighter without changing how it plays.

Runs on your server

From source side support

Modrinth 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

Annuus, answered

Generated from the mod’s own source data.

Do my players need to install Annuus?

Modrinth lists Annuus as required on the server. Check its Modrinth page to see whether players need it too.

Which loaders does it support?

Fabric and NeoForge.

Is it free?

Yes. Annuus is free to download from Modrinth. Its license is GPL-3.0-only.

How do I add it to my Nxeon server?

Use “Add to a server” on this page, or open NxLabs from your dashboard. We install it, restart your server and switch it on.

NxLabs

Run Annuus on a Minecraft server.

Deploy in about a minute from $4.20 a month, then add Annuus in one click.