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Socket.IO
Socket.IO

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WCF
WCF

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Socket.IO vs WCF: What are the differences?

Socket.IO: Realtime application framework (Node.JS server). Socket.IO enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed; WCF: A runtime and a set of APIs for building connected, service-oriented applications. It is a framework for building service-oriented applications. Using this, you can send data as asynchronous messages from one service endpoint to another. A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application.

Socket.IO and WCF belong to "Realtime Backend / API" category of the tech stack.

Socket.IO is an open source tool with 46.9K GitHub stars and 8.54K GitHub forks. Here's a link to Socket.IO's open source repository on GitHub.

According to the StackShare community, Socket.IO has a broader approval, being mentioned in 561 company stacks & 397 developers stacks; compared to WCF, which is listed in 8 company stacks and 3 developer stacks.

- No public GitHub repository available -

What is Socket.IO?

It enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.

What is WCF?

It is a framework for building service-oriented applications. Using this, you can send data as asynchronous messages from one service endpoint to another. A service endpoint can be part of a continuously available service hosted by IIS, or it can be a service hosted in an application.
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        What are some alternatives to Socket.IO and WCF?
        SignalR
        SignalR allows bi-directional communication between server and client. Servers can now push content to connected clients instantly as it becomes available. SignalR supports Web Sockets, and falls back to other compatible techniques for older browsers. SignalR includes APIs for connection management (for instance, connect and disconnect events), grouping connections, and authorization.
        SocketCluster
        SocketCluster is a fast, highly scalable HTTP + realtime server engine which lets you build multi-process realtime servers that make use of all CPU cores on a machine/instance. It removes the limitations of having to run your Node.js server as a single thread and makes your backend resilient by automatically recovering from worker crashes and aggregating errors into a central log.
        PubNub
        PubNub makes it easy for you to add real-time capabilities to your apps, without worrying about the infrastructure. Build apps that allow your users to engage in real-time across mobile, browser, desktop and server.
        Pusher
        Pusher is the category leader in delightful APIs for app developers building communication and collaboration features.
        ExpressJS
        Express is a minimal and flexible node.js web application framework, providing a robust set of features for building single and multi-page, and hybrid web applications.
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        Decisions about Socket.IO and WCF
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        How developers use Socket.IO and WCF
        Avatar of Tony Manso
        Tony Manso uses Socket.IOSocket.IO

        I use Socket.IO because using HTTP requests for a real-time multiplayer game just blows! Even with websockets, I had to scrunch the data being transmitted down to a bare minimum, and do some cheap compression tricks so that I can send data in JSON format. Otherwise, I would have to resort to sending binary data. I may end up doing that anyway when the time comes that I need to scale.

        How do I use it? Each client opens a socket connection at startup. The server keeps track of these connections, and sends each client the visible portion of the Playfield repeatedly. The clients render this information, while sending requests and commands to the server (join,turn,fire,thrust,bomb,viewport change,etc.) in response to the player's actions. The server uses that to make adjustments to the player's ship on the Playfield.

        Avatar of Trello
        Trello uses Socket.IOSocket.IO

        Where we have browser support (recent Chrome, Firefox, and Safari), we make a WebSocket connection so that the server can push changes made by other people down to browsers listening on the appropriate channels. We use a modified version* of the Socket.io client and server libraries that allows us to keep many thousands of open WebSockets on each of our servers at very little cost in terms of CPU or memory usage. So when anything happens to a board you’re watching, that action is published to our server processes and propagated to your watching browser with very minimal latency, usually well under a second.

        Avatar of Kent Steiner
        Kent Steiner uses Socket.IOSocket.IO

        Socket.IO has a decent community footprint, including integrations with popular JS frameworks, and has fallbacks to maintain an app's services if websockets are not available for some reason. Websockets are an important factor in most of the web-facing apps I build, to provide asynchronous two-way communication between the app and whatever server or data source it is connected to.

        Avatar of Andrew Gatenby
        Andrew Gatenby uses Socket.IOSocket.IO

        Another one that we're not using, yet. But have realtime data updates within our applications and the central API will be a great bit of functionality that gives our clients more control and keep them informed of changes and updates in their stores, in real time.

        Avatar of AngeloR
        AngeloR uses Socket.IOSocket.IO

        Socket.io is used as our current multiplayer engine. The existing engine is very simplistic and only utilizes the websocket+http fallback transports and serves as a generic world/zone/screen grouping mechanism for displaying users to each other.

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