Two or more computers connected together via cable bound or wireless communication links for the purpose of information exchange.

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2
votes
2answers
182 views

Using peer to peer for prediction in a client-server network model

By implementing peer to peer connections between clients in a client-server network model I should be able to increase the prediction fidelity as this theoretically would provide the client with other ...
0
votes
1answer
313 views

Client side latency when using prediction

I've implemented Client-Side prediction into my game, where when input is received by the client, it first sends it to the server and then acts upon it just as the server will, to reduce the ...
5
votes
2answers
920 views

How to sync client and server at the first frame

I'm making a game where an authoritative server sends information to all clients about states and positions for objects in a 3d world. The player can control his character by clicking on the screen to ...
0
votes
2answers
504 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 ...
0
votes
1answer
89 views

how to guarantee the order of response in a service-oriented mmo server cluster

i'm working on a mmo server these days. it's a service-oriented architecture, every service is one process which processes a specific type of request, and i have inventory service, battle service, etc....
1
vote
1answer
405 views

game server/client user input/event handling

I'm currently getting my feet wet in the realm of networking, so I set a goal to make a simple client/server game using SFML for both graphics and networking. In my head it seemed easy at first, but ...
3
votes
2answers
400 views

How to synchronize the ball in a network pong game?

I’m developing a multiplayer network pong game, my first game ever. The current state is, I’ve running the physic engine with the same configurations on the server and the clients. The own paddle ...
6
votes
2answers
354 views

How can I synchronize ocean waves over the network?

I've been performing a little bit of research in my spare time on ways to increase the interactivity of environments in a networked game or simulation. One of my areas of research is fluid-dynamics ...
0
votes
1answer
38 views

Is there an equation to determine when to invoke extrapolation in response to lag?

I've implemented interpolation to smooth character drawing in my networked game. But now I want to fall back on extrapolation if too much time has passed from a user sending an update and the ...
2
votes
2answers
650 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
1answer
127 views

Packet Loss Affecting Client-Side Prediction

I have been reading about client-side prediction lately and I have been thinking of ways to implement it into my multiplayer game. I think I have a pretty good understanding of client-side prediction ...
14
votes
5answers
3k views

Networking for Real Time Strategy games

I'm developing a real time strategy game for a computer science course I'm taking. One of the harder aspects of it seems to be client-server networking and synchronization. I've read up on this topic (...
5
votes
1answer
143 views

Replacement for XNA Lobby?

I am looking to implement with the Microsoft Windows Live game lobby. Since Microsoft has deprecated XNA, I am wondering if it is still possible to interact with the game lobby they provided in XNA (...
-1
votes
1answer
388 views

Why bother with server-side hit detection?

Valve's hit detection tracks player positions from when the bullet fired and then tells clients only whether the hit happened, but I can't see why that is necessary in the first place. Does server-...
20
votes
2answers
5k views

What to send to server in real time FPS game?

What is the right way to tell the position of our local player to the server? Some documents say that it is better to send the inputs whenever they are produced. And some documents say the client ...
3
votes
1answer
194 views

How frequently do my game server need to message the client?

I am writing a game-server and a game-client. In the client there is a game loop that has a delay of ~16ms (because that would be nearly 60fps). All the logic is at the time handled at server side so ...
0
votes
2answers
287 views

Is networking programming quite generic

I have only looked into the basics, at least I assume it gets more complex. So does network code really change from one game to the next or is it pretty much portable. For example I can create say a 2 ...
6
votes
1answer
156 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 ...
1
vote
1answer
132 views

How can I implement simple distributed processing in a Unity game?

I'm looking to set up a game which uses distributed processing. Just a simple brick shooter in unity with the distributed part being that the calculations for the falling blocks are handled by another ...
2
votes
1answer
912 views

Is host advantage real?

I'm sure many of you have heard the term host advantage through out your time playing action video games. However, I was curious if this was a real studied and proven concept in game design, computer ...
-1
votes
1answer
1k views

Distributed Multiplayer Game Server Architecture [closed]

I'm programming a multiplayer game for mobile phones.I'm working on a distributed server architecture for handling lots of concurrent players. Here is my architecture on my mind: Some questions ...
0
votes
3answers
5k views

How can I make RPC function calls in Unity?

I am making a multiplayer game. I am sending score via the server and client but I want to be sure that can I call an RPC function of a script from any other script. For example, say Table_Manager as ...
1
vote
1answer
702 views

Unity3D Multiplayer Networking

I am making a multiplayer game using Unity3D, similar to SecondLife (but focusing on a particular gameplay task). Users will be able to register/login directly in the game and their character will be ...
0
votes
0answers
1k views

Cross-platform ad-hoc local mobile multiplayer

I want to implement ad-hoc cross-platform (iOS, Android, and PC) device discovery for local multiplayer, like this scenario: http://www.youtube.com/watch?v=csXYZf2vGdE Multiple players, each with ...
2
votes
1answer
363 views

Online RTS Game Architecture for Mobiles [closed]

We came up with an idea for a real-time strategy game for mobile devices that can play with other players over a network. I'm trying to plan out the architecture/protocol required for such as system. ...
1
vote
1answer
111 views

Passing a list of existing entities to a new client when using a component system?

My game server uses entities containing components to represent everything in the game world. This has worked great so far but I've run into a problem now that I'm allowing clients to connect to the ...
0
votes
3answers
448 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
1answer
2k views

How do I use an external FBX object in Unity?

Is it possible to use an external .fbx object in Unity 3D the same way we can insert a picture? Something like myPath = "http://www.myserver.com/object/myobject.fbx";?
1
vote
2answers
260 views

Is it feasible to use a DHT to span an MMO over many servers for improving reliability?

At the moment I have an idea for how to handle distributing MMO servers. At the core is a bunch of worker nodes that all share the same set of distributed hash tables. Each DHT stores a specific game ...
2
votes
3answers
912 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 ...
14
votes
2answers
632 views

How can I stop the player from drifting due to local input prediction when they stop?

I'm working on a 2D server-client multiplayer game engine (which you can try here). It uses WebRTC DataChannels. (The connections are peer-to-peer, but the host peer still acts as a server.) The ...
0
votes
1answer
175 views

Handling latency in realtime music/rhythm-based games

Suppose I am making a co-operative multiplayer music-based rhythm game -- two players, side by side, move their cursor/avatar left and right with their mouse and attempt to hit or dodge obstacles that ...
2
votes
1answer
685 views

Does client side prediction sync with the server in the past?

I've spent some time now messing around and just trying to learn dead reckoning and client side prediction for the fun of it. Most of what I do doesn't need it, so i've never had a need to go down ...
0
votes
2answers
2k views

GameServer UDP or TCP Java [closed]

This is a Java related question. I've got this question and I searched on the internet but didn't really get any clear answer. I want to develop a little multyplayer game which needs real time ...
0
votes
2answers
2k views

Websocket server thread per connection

I'm creating an html5 multiplayer game and am looking at how to create a websocket server. I've been looking at various libraries and one thing I noticed is that each one will create a new thread for ...
2
votes
1answer
4k views

Unity3d Run In Background setting not working in fullscreen standalone

I've ran in to an odd issue with my Unity3D game completely pausing in certain scenarios, even with the Run In Background player setting on. For reference I'm on Windows 7 Ultimate using Unity 4.3.3 ...
1
vote
1answer
316 views

Client-side prediction and interpolation

Although my game uses a peer-to-peer model, I've still taken the approach of assigning each player to be a partial authority. What I mean by this is that each player acts as the "server" for a number ...
1
vote
0answers
290 views

Implementing Dead Reckoning in a Winsock server

I'm having a little difficulty understanding how I implement Dead Reckoning in my Server-Client Winsock game. I've been looking on the internet for a decent explanation that explains exactly: When ...
0
votes
1answer
220 views

Questions about networking theory in a 2d shooter game [duplicate]

So currently I am starting to work on a 2d top down space shooter game, and I have just got to networking. So far the client can draw a ship at a desired x, y and rotational coordinate with any set of ...
8
votes
3answers
8k views

Limitations of p2p multiplayer games vs client-server [closed]

I am reading up on multiplayer game architecture. So far most of the articles i've found deal with the client-server model. I'd like to know what are the limitations for using a p2p architecture? ...
4
votes
2answers
330 views

How can I implement a game locator or proxy server?

I have a turn-based strategy game which already has a multiplayer server/client layer that works fine on local network (where one server is set up and players connect to it). I would like to extend ...
1
vote
1answer
329 views

Algorithm for smoothing a network object's movement

We are building multiplayer game where there's no central server managing the game. Each player is responsible for sending out its state to all connected players. In addition, all clients run ...
0
votes
1answer
2k views

Creating and joining a multiplayer game over a LAN

I'm trying to create and join a multiplayer game that has been created from a custom UDK installation. It works correctly when two (or more) instances of the game are created on the same computer and ...
0
votes
2answers
99 views

How can I create the correct player object based on a type in a network message?

I am using lidgren as a networking library for a small XNA game. I am using a client/server architecture for the game. Currently, I have the client and server connecting but I would like to be able to ...
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 ...
7
votes
4answers
326 views

Fair dice over network w/o trusted 3rd party

Though it should be a pretty basic problem, I did not find a solution for it: How to play dice over a network without a trusted third party? The M players shall roll N dice, one player after another. ...
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
268 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. ...
1
vote
0answers
139 views

How to perform game object smoothing in multiplayer games

We're developing an infrastructure to support multiplayer games for our game engine. In simple terms, each client (player) engine sends some pieces of data regarding the relevant game objects at a ...