Django Channels vs Node.js

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Django Channels
Django Channels

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Node.js
Node.js

28.8K
22.8K
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7.9K
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Django Channels vs Node.js: What are the differences?

What is Django Channels? It extends Django's abilities beyond HTTP - to handle WebSockets, chat protocols, IoT protocols. It does this by taking the core of Django and adding a fully asynchronous layer underneath, running Django itself in a synchronous mode but handling connections and sockets asynchronously, and giving you the choice to write in either style.

What is Node.js? A platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.

Django Channels and Node.js belong to "Frameworks (Full Stack)" category of the tech stack.

Django Channels and Node.js are both open source tools. It seems that Node.js with 35.4K GitHub stars and 7.78K forks on GitHub has more adoption than Django Channels with 3.94K GitHub stars and 542 GitHub forks.

Uber Technologies, Netflix, and Medium are some of the popular companies that use Node.js, whereas Django Channels is used by Webscope.io, NUU, and Deepomatic. Node.js has a broader approval, being mentioned in 5477 company stacks & 20011 developers stacks; compared to Django Channels, which is listed in 10 company stacks and 6 developer stacks.

What is Django Channels?

It does this by taking the core of Django and adding a fully asynchronous layer underneath, running Django itself in a synchronous mode but handling connections and sockets asynchronously, and giving you the choice to write in either style.

What is Node.js?

Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
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        What are some alternatives to Django Channels and Node.js?
        Twisted
        Twisted is an event-driven networking engine written in Python and licensed under the open source ​MIT license. Twisted runs on Python 2 and an ever growing subset also works with Python 3. Twisted also supports many common network protocols, including SMTP, POP3, IMAP, SSHv2, and DNS.
        Tornado
        By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user.
        Celery
        Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well.
        ASP.NET
        .NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.
        Rails
        Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.
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        Decisions about Django Channels and Node.js
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        Interest over time
        Reviews of Django Channels and Node.js
        Avatar of mihaicracan
        Web Developer, Freelancer
        Review ofNode.jsNode.js

        I have benchmarked Node.js and other popular frameworks using a real life application example. You can find the results here: https://medium.com/@mihaigeorge.c/web-rest-api-benchmark-on-a-real-life-application-ebb743a5d7a3

        How developers use Django Channels and Node.js
        Avatar of MaxCDN
        MaxCDN uses Node.jsNode.js

        We decided to move the provisioning process to an API-driven process, and had to decide among a few implementation languages:

        • Go, the server-side language from Google
        • NodeJS, an asynchronous framework in Javascript

        We built prototypes in both languages, and decided on NodeJS:

        • NodeJS is asynchronous-by-default, which suited the problem domain. Provisioning is more like “start the job, let me know when you’re done” than a traditional C-style program that’s CPU-bound and needs low-level efficiency.
        • NodeJS acts as an HTTP-based service, so exposing the API was trivial

        Getting into the headspace and internalizing the assumptions of a tool helps pick the right one. NodeJS assumes services will be non-blocking/event-driven and HTTP-accessible, which snapped into our scenario perfectly. The new NodeJS architecture resulted in a staggering 95% reduction in processing time: requests went from 7.5 seconds to under a second.

        Avatar of Trello
        Trello uses Node.jsNode.js

        The server side of Trello is built in Node.js. We knew we wanted instant propagation of updates, which meant that we needed to be able to hold a lot of open connections, so an event-driven, non-blocking server seemed like a good choice. Node also turned out to be an amazing prototyping tool for a single-page app. The prototype version of the Trello server was really just a library of functions that operated on arrays of Models in the memory of a single Node.js process, and the client simply invoked those functions through a very thin wrapper over a WebSocket. This was a very fast way for us to get started trying things out with Trello and making sure that the design was headed in the right direction. We used the prototype version to manage the development of Trello and other internal projects at Fog Creek.

        Avatar of AngeloR
        AngeloR uses Node.jsNode.js

        All backend code is done in node.js

        We have a SOA for our systems. It isn't quite Microservices jsut yet, but it does provide domain encapsulation for our systems allowing the leaderboards to fail without affecting the login or education content.

        We've written a few internal modules including a very simple api framework.

        I ended up picking Node.js because the game client is entirely in JavaScript as well. This choice made it a lot easier for developers to cross borders between being "client side" game developers and "server side" game developers. It also meant that the pool of knowledge/best practices is applicable almost across the company.

        Avatar of Tony Manso
        Tony Manso uses Node.jsNode.js

        Node.js is the foundation for the server. Using Express.js for serving up web content, and sockets.io for synchronizing communications between all clients and the server, the entire game runs as Javascript in Node.js.

        I don't know how well this will scale if/when I have hundreds of people connected simultaneously, but I suspect that when that time comes, it may be just a matter of increasing the hardware.

        As for why I chose Node.js... I just love JavaScript! My code is all original, meaning that I didn't have to inherit anyone's bad Javascript. I'm perfectly capable of creating my own bad Javascript, thank you! Also, npm rocks!

        Avatar of Tarun Singh
        Tarun Singh uses Node.jsNode.js

        Used node.js server as backend. Interacts with MongoDB using MongoSkin package which is a wrapper for the MongoDB node.js driver. It uses express for routing and cors package for enabling cors and eyes package for enhancing readability of logs. Also I use nodemon which takes away the effort to restart the server after making changes.

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