Questions about using unreliable UDP protocol in games which requires data exchange via network.
-4
votes
0answers
71 views
Strategy for replication via UDP for an MMO game [on hold]
Original question:
Assuming I've decided to use UDP on low-level, is there any existing messaging/packets protocol for replication? Or is each game developer making own protocol from a scratch?
I ...
0
votes
0answers
32 views
Why unity use UDP protocol? [duplicate]
Why unity use UDP protocol? What's the benefit of using UDP with multiplayers game and give me some example where i use udp protocol for which data ?
Thanks Regards
0
votes
0answers
38 views
RakNet Connection error
So I am trying to use RakNet to connect my server and client, and I created a minified client that should just connect to the server and exits. The ports bind just fine but the connection packet never ...
0
votes
2answers
76 views
Sending Vector3 from Unity to custom C# server
I'm working on a multiplayer game in which the server is a custom C# server.
What I want to do is to store the position of each player in my database.
In my case I'm sending Vector3 as an object ...
1
vote
2answers
125 views
Network protocol for chat — UDP or TCP
I'm trying to develop a fast-paced multiplayer game.
Now I'm using UDP as a transport-layer protocol to communicate between clients and server. But what if I want to implement a chat? Should I send ...
4
votes
1answer
140 views
How to organize messages queue in a fast-paced multiplayer game
I'm trying to develop a fast-paced multiplayer game. I decided to build my own protocol over UDP and now I'm stuck with the following question.
The idea of the protocol is very basic and it's similar ...
1
vote
1answer
100 views
UDP server in unity not working
I know there are a lot of UDP examples out there, but I really need to know specifically what I am doing wrong. I have Wireshark monitoring my data traffic and according to that program Unity is not ...
1
vote
0answers
41 views
UDP client code throwing a very nonspecific exception
so I'm writing a UDP server and client on a couple of the machines in my virtual reality environment to allow (in this case) data from the location in the environment to trigger some air nozzles. The ...
9
votes
3answers
370 views
Does it make sense to use both TCP and UDP at once?
After reading UDP vs TCP for data heavy realtime games - 2016, I'm wondering if it makes sense to use both TCP and UDP at the same time, but for different things:
TCP for sending information that is ...
61
votes
10answers
16k views
Is UDP still better than TCP for data-heavy realtime games?
I know that UDP is usually recommended for real-time multiplayer games with high data usage.
Most articles are serval years old, and since ~80% of all data transmitted on the internet is TCP, a lot ...
0
votes
1answer
47 views
Send OpenGL video flux via UDP [closed]
It is possible to send the video flux of an OpenGL desktop app via UDP on Linux ? I looked up FBO and off-screen rendering but I still can't figure out how to extract the video flux and send it.
I'm ...
1
vote
0answers
58 views
Extrapolation - synchronize destination point on a second device while moving
First of all, I read all of the Valve and Gaffer articles but I still have no clue, how to achieve my goal.
I am creating a UDP multiplayer game with a lot of physics (knockbacks, attacks). Packets ...
1
vote
0answers
64 views
Host Migration (P2P) with RTMFP and AS3
I was wondering if this is a possibility with RTMFP since it acts like UDP/P2P..
Host Migration
Player A starts and host a game..
Player B and C connects..
Player A quits..
Player B is now assigned ...
2
votes
2answers
398 views
Do I need more than one UDP socket on the server?
I'm trying to make a UDP game server using the SDL_net library. This library offers SocketSets which are, according to the documentation, an analogy to the select function. Right now I have ...
1
vote
0answers
27 views
UDP - PlayerPosition updating - SequenceNumbers
I'm trying to implement a reliable UDP system, which sends and receives player positions. In my opinion, there is a mistake somewhere in the code, cause it's still moving the character back (not far, ...
1
vote
1answer
72 views
How do I keep 1v1 player positions consistent over UDP on Kryonet?
I have a server which is simple:
When two connections comes in, it opens a game room, pass their connections to it and runs a thread with a gameloop. (Everything is running on Kryonet)
So... I made ...
0
votes
2answers
185 views
Simple mobile multiplayer game. TCP/UDP? [duplicate]
I'm tying to dive into multiplayer game programming.
The game is quite simple, it's a 2D scroller mobile game, the player need to touch the screen in order to move 1 step and it could contain up to 4 ...
3
votes
3answers
600 views
UDP packet reliability and re-sending
Like most people on this exchange concerned with UDP client server connections, I've gone through the Gaffer on Games article about implementing reliability. I understand how the ordering and acks and ...
3
votes
0answers
801 views
Unity3D LLAPI and Pyhton UDP communication
I need a Unity3D game on Android to receive UDP packages from a Python script running on a different device.
Using System.Net is not (yet) an option, as it is only supported on Android with a valid ...
1
vote
2answers
783 views
Networking with UDP, should I keep sockets open on the server
I am working on making a 2D platforming game that will have multiplayer functionality. Over the last few days, I have done a lot of reading regarding how to deal with the networking, and believe that ...
4
votes
1answer
1k views
Packet size vs packet frequency
I am making a multiplayer game in Java that uses a client-server model, where all important decisions are made by the server and communicated to all clients over UDP. Currently the clients and the ...
0
votes
1answer
3k views
How to send object transform position coordinates over UDP from Unity 3D
I'm trying to send the x, y and z coordinates of an in-game object over UDP.
I found a script in a Unity forum which should send info over UDP and as I understand it it should send the information ...
-1
votes
1answer
227 views
TCP For RTS Game?
My RTS game abides by the lockstep system so keeping everyone up to date is import and guaranteeing the safe arrival of packets would make my life a lot easier. With that said, I still need decent ...
0
votes
1answer
254 views
How to estimate number or packets required to sent per second in a multiplayer lockstep RTS game?
Considered a typical lockstep implementation, what's a solid rate to send packets at for UDP protocol that games can start with in the beginning?
If anyone has experience in this field, I'd like to ...
1
vote
1answer
365 views
Should I switch to UDP for a mobile p2p game when considering 3G network?
I have been making a mobile game that is similar to "Street Fighter" where two players play with each other via Internet.
The game sends out a small packet (controller status) to the other party ...
0
votes
1answer
1k views
Too much delay while sending object over UDP to server
I'm getting 4 sec delay when sending objects over UDP. Working on small game and trying to implement multiplayer. For now just trying to synchronize movements of 2 balls on the screen. StartingPoint....
0
votes
2answers
559 views
UDP Netcode Architecture for Fighting Game
I am programming a fighting game that uses a UDP client/server architecture for multiplayer. The server can handle multiple clients, two of which (or one being the server) are playing and the rest are ...
3
votes
2answers
3k views
Kryonet usage for game networking
Im making a game where real-time data is exchanged between server and clients, and I was using java UDP sockets straight up, but I reached a point where I actually need to know if a few specific ...
2
votes
2answers
758 views
Is there a maximum delay an UDP packet can have?
I am currently implementing a real-time network protocol for a multiplayer game using UDP. I am not having any technical difficulties, but as I always have to care about late UDP packets I am ...
1
vote
2answers
708 views
How to I access “Deny” message from a Lidgren client?
I'm using the Lidgren v3 network for a UDP client/server networking model. On the server end, I'm initializing a NetServer object with the NetIncomingMessage.ConnectionApproval message type enabled.
...
6
votes
1answer
174 views
UDP server and large number of users?
My initial research showed the most people prefer to use UDP protocol and build a control code on top of it for multiplayer games. It seems like a good design at first, but I am wondering if it is ...
0
votes
3answers
501 views
Handling packet impersonating in client-server model online game
I am designing a server-client model game library/engine.
How do I, and should I even bother to handle frequent update packet possible impersonating?
In my current design anyone could copy a packet ...
2
votes
3answers
973 views
How to trust a UDP Client
I'm working on a Unity project with the Lidgren UDP library for connection. I'm new to networking, so I'm not sure on general "best practices" for this area. I'm trying to figure out a good way to be ...
1
vote
5answers
1k views
How to correctly aggregate networked data into UDP packets while avoiding fragmentation
I am starting to get my feet wet with game networking, having iterated many times now on some simple 2D games. For learning purposes, I've read the fantastic Gaffer on Games networking article a ...
9
votes
2answers
3k views
UDP non blocking or a seperate thread for receiving
I am creating a multiplayer game (for under 64 player). I already decided to have a seperate thread for the network loop, but I was wondering if it would be better to create an extra thread for ...
8
votes
4answers
277 views
Sending state diffs (deltas) and unreliable connections
We're building a realtime multiplayer game, in which each player is responsible for reporting its state on every iteration of the game loop.
The state updates are broadcasted using unreliable UDP.
...
0
votes
2answers
476 views
Udp VS Tcp connection for a platformer multiplayer
Tcp is connection based so it's really good for chat or login or anything that needs reliability. Udp should be used for lots of small packets like position packets... The problem is that in a game ...
0
votes
3answers
771 views
Why is my client laggy despite 60 update packets a second? [closed]
I am developing a small multiplayer game with XNA. It's a usual client-server architecture -- I have a server and many clients communicating with it through UDP (via .NET's Socket class). These ...
5
votes
2answers
5k views
UDP vs TCP in multiplayer mobile game
I'm working on a networked multiplayer game, initially for iOS.
Even with TCP_NODELAY there are large fluctuations in latency. I can't be sure of the reason, but I would not be surprised if it was ...
2
votes
1answer
288 views
What is the impact of many AI enemies on state replication networking?
Imagine an online coop style FPS or TDS game where say 2-6 real players fought large amounts (20-60 concurrent) of AI enemies. Could this style of game be reasonably networked over the internet using ...
1
vote
1answer
2k views
Udp protocol for game server/client
I've been trying to get a simple client server relation using udp for about a week now, And I think it's time for me to stop trying and ask for help... I understand how TCP works and UDP too. The ...
9
votes
3answers
813 views
How to avoid being throttled?
I'm writing a networked iOS game. When sending packets with GKMatchSendDataReliable (which I assumed was UDP with their own packet reception code written) at 60 packets per second (so 16 ms between ...
3
votes
0answers
401 views
How are UDP packets verified as authentic? [closed]
Hey I'm writing a game and have the backend written using a sometimes-reliable UDP scheme. I want to verify that inbound packets are actually originating from the player specified in the packets.
My ...
1
vote
2answers
177 views
MMOFPS Player Positions [closed]
I'm working on a MMO game project. I have a question about MMOFPS game architecture. (I have basic network knowladge)
(MMOFPS) I want to send player position to other players(clients) and other ...
2
votes
1answer
1k views
Browser UDP Relay with TCP Websocket
I'm wondering if this is possible and what obstacles I might face.
I have a game that's browser based, and since I can't send UDP packets from a browser, Can I use a plugin that the browser connects ...
4
votes
1answer
401 views
How to sync the actions in a mutiplayer game?
I connect the clients with UDP (its a peer to peer connection on a multicast network) and the clients are sending their positions in every frame (in WP7 it means the default 30 FPS) to each other. ...
9
votes
2answers
295 views
Server-side Input
Currently in my game, the client is nothing but a renderer. When input state is changed, the client sends a packet to the server and moves the player as if it were processing the input, but the ...
3
votes
1answer
255 views
How many UDP ports for an MMOFPS
I'm designing an MMOFPS. I'm not sure whether to use one UDP port for all clients or one UDP port per client. Or is there another alternative?
Currently UDP is only being used for position data (X,...
2
votes
3answers
446 views
Game engine that allows for objects being placed in-game [closed]
I am looking for a game engine with multiplayer support that allows for players to place objects in the terrain. (eg. in TF2 one can place teleporters, etc... or in minecraft one can place blocks). I ...
2
votes
2answers
803 views
Help Decide between C#/XNA client or Java
The game runs on a client/server architecture currently setup for TCP, and the client code was built in AS3 to be web based.
What we're running into is 3 problems for the client.
AS3 has no hardware ...
