Fish-Networking: Unity Networking Evolved! (FREE!)

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Quick-Links
Asset store: FishNet: Networking Evolved | Network | Unity Asset Store
Discord: Discord
Documentation, Tutorials, Roadmap: Introduction | Fish-Net: Networking Evolved

About Fish-Networking
Fish-Networking, sometimes referred to as FishNet, is a high performant, feature-rich networking solution for Unity3D.

When compared against other free networking solutions users have experienced savings in server fees through the CPU and bandwidth efficiency of Fish-Networking. We have a benchmark comparison page on our documentation which lets you replicate our test, as well community posted results on our Discord!

Stability is of great importance. Bugs get priority attention; potential show-stopping bugs are regularly resolved within a couple work days. We also pride ourselves on our “No-break Promise” which guarantees API will change no more frequent than every 6 months. In addition to this promise, we provide easy to use documentation on how to update between API changes!

Features, we all like features! Upon our first release FishNet already had comparable, and quite a few extra features over several competitors. In the past 6 months we’ve added 114 new features and 93 improvements to existing features. We offer several advanced technologies commonly only found in paid solutions, such as client-side-prediction. As well some features which do not exist in any other networking solution, like sharding and a full networked scene manager for: single, additive, and even stacked scenes (if this changes please let me know).

Fish-Networking is strongly community driven. In the past 30 days roughly 35 new features or enhancements have been added based entirely on community feedback. At the time of this posting, between our YouTube and Discord community we have over 10,000 members! Our Discord is entirely safe for work, and we do not tolerate inconsiderate behavior.

Milestones
Fish-Networking has been public for a little over 6 months now. In that time we have progressed at a tremendous rate. Here are some milestones, or achievements over that 6 month span.

At the time of this post, only one very minor bug is currently unresolved. On a project this large I’m sure you developers know the significance of that!

Over 10 asset developers, many of which are well known, have adopted Fish-Networking into their assets.

Several games have launched with Fish-Networking! The developer of Arcadius Arcadius on Steam switched their existing game to FishNet in a matter of hours. After switching they saw roughly a 75% savings in server costs. Previously their servers would crash around 40 CCU, while on Fish-Networking they’ve achieved over 300 CCU without any disruption on the server or clients! It’s also worth noting these metrics are from several months ago; FishNet has received several performance improvements since.

Jason Weimann https://www.youtube.com/c/Unity3dCollege , a professional game developer and popular content creator, featured Fish-Networking. Jason spoke well of FishNet, and even hosted an interview with us!

About Me
I’m a professional game developer with over 6 years of experience. After having difficulties finding a good networking fit for a multiplayer project I decided to create Fish-Networking. As the lead developer I can genuinely say I care about this product and it’s users experiences.

I hope for those that are new to multiplayer and looking for an option will consider giving us a shot; you really won’t regret it.

Misc
It can be difficult to track questions on the forum. If you have a technical question your best chance at a quick response will be to ask on our Discord ( FirstGearGames / Fish-Networking ). Please remember to be kind to community members both on and off the forum, thanks!

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Only customers and genuine potential customers may reply here. No other discussion is permitted.

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I saw Network LOD in the roadmap. How it will work? Like the normal LOD?

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The roadmap on Trello is being removed. The official roadmap is on gitbook now. It’s easier for everyone to have everything in one place.

Far as network LOD, it was removed from planned a week or so ago. I may add it back under wishlist.

I’m not decided if it’s worth having the feature because feature would use more CPU over bandwidth. The bandwidth is optimized enough to the point where I’m not convinced it’s worth wasting the CPU.

ALTHOUGH, the NetworkTransform partially supports this with the interval feature. You can choose how quickly the NT updates, even at runtime. And transform updates usually do eat the most bandwidth so this can be vastly beneficial.

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Addressables support with the Fish-Networking scene manager has been added, and is considered stable!
Coming soon is advanced nested prefab support, and network object pooling with your own object pooler!

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Networked object pooling is a great feature.

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@Punfish when will be the EOS transport a reality?
Im very impatient

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It will certainly be handy, and designed in a way that you can easily use your own pooler with virtually no extra lines of code.

r31o, yes it’s absolutely in the works. Someone else is creating the EOS transport but he also has other things to take care outside the transport. We are hoping around the end of July but that timeline could sway some.

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I guess that the transform is on beta.
Can I test it?

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EOS? It’s not ready. I’ll make an announcement when it is.

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Would like to add request for the EOS integration especially after they’ve recently fixed the garbage collection issue. It is becoming a viable option and the only free one that offers a relay server across platforms. This is much more versatile than steam which only works on PC. As soon as Fish networking has that, it will be an even more attractive choice.

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You can use steamworks with app id 480 (space wars) i use it for testing, and I will use EOS when it is released

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The problem is that I will be developing some mobile games as well as PC games, I’m not sure but I think steamworks does not work on mobile platforms.

I’m hoping that the fishnet team would be able to squeeze EOS implementation into their next release. Once they do that, we can go full throttle into it. Alternatively I’ll try invest some time to see if I can implement EOS into Fishnet and roll with it, the chore would be reading through EOS’s documentations as from what I’m seeing here, it’s all over the place and there isn’t a straight forward guide, doable but could have been quicker if the docs were better. Makes me somehow appreciate the tutorials and documentations on the Unity side from both third party and unity themselves.

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Yes, but you use Unity on PC, right?

I think is just one guy, and there is other thap makes some transports

I tried it, it was impossible.

I dont really know what happens with EOS, is just perfect (Free relay), buuuut, the documentation is terrible, so Im just making the game with Tugboat/Steamworks, and when EOS transport gets released, I will use it

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There are community changes but when it comes to putting things directly into FishNet I take care of that to ensure the same pattern and what not. We also have a lot of addons, not just transports, by other developers.

EOS isn’t going to ever be released with FishNet, if will be released as an addon. Like other transports you would simply import it and configure.

Another developer is currently working on the EOS transport. We are hoping it to be ready at the end of July but as mentioned before it could be a little bit after. I reached out to the developer today asking for an update. Please keep in mind this developer is doing it in their spare time, which means prioritizing life matters first. EOS is definitely on it’s way, I merely do not want to give a false timeline on it.

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I guess EOS transport will have some installation guide, since I have been looking in the docs and is not very intuitive

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Hi @Punfish

does Fish Networking support automatic host migration or do you have plans to add it if not?

Thanks.

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Im not firstgeargames (Kinda obvious), but Im sure it doesnt, when I disconnect the host, all client disconnect

I dont know if is possible to code it

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Host mitigation is really only possible by either syncing all values to all clients at all times or by having a central server that manages data and host is nothing more than a client that reserved the server.

So no mitigation built in. Makes more sense just to have a dedicated server.

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Hi, thanks for your reply

Whilst dedicated servers make sense in certain circumstances, I want players to be able to be able to easily host their own games without reliance on dedicated servers, in which case host migration is a must, to avoid frustration if the host disconnects.

What caught my eye and prompted my question was mention of EOS support and the associated free relay servers, which would make the Fish-Net/EOS combination a very attractive alternative to PUN/Fusion, but only if it also supported host migration.

It’s a shame, but it looks like I’ll have to stick with PUN.