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  1. Stackups
  2. Application & Data
  3. Platform as a Service
  4. Realtime Backend API
  5. CometD vs PubNub

CometD vs PubNub

OverviewComparisonAlternatives

Overview

PubNub
PubNub
Stacks249
Followers458
Votes238
CometD
CometD
Stacks22
Followers34
Votes0

PubNub vs CometD: What are the differences?

PubNub: Build real-time apps quickly and scale them globally. 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; CometD: WebSocket & HTTP, highly scalable and clustered web messaging framework. It is a web server to push data to a browser, without the browser explicitly requesting it. It is an umbrella term, encompassing multiple techniques for achieving this interaction.

PubNub and CometD belong to "Realtime Backend / API" category of the tech stack.

Some of the features offered by PubNub are:

  • PubNub SDKs support over 50 of the most popular environments, including: iOS, Android, JavaScript, .NET, Java, Ruby, Python, PHP and many more.
  • Data Push - Establish and maintain persistent socket connections to any device (mobile, browser, desktop and server) and push data to global audiences in less than ¼ of a second
  • Presence - Automatically detect when users enter or leave your app and whether machines are online

On the other hand, CometD provides the following key features:

  • Javascript Client
  • Publish/Subscribe Messaging
  • Service Channels

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Detailed Comparison

PubNub
PubNub
CometD
CometD

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.

It is a web server to push data to a browser, without the browser explicitly requesting it. It is an umbrella term, encompassing multiple techniques for achieving this interaction.

PubNub SDKs support over 50 of the most popular environments, including: iOS, Android, JavaScript, .NET, Java, Ruby, Python, PHP and many more.;Data Push - Establish and maintain persistent socket connections to any device (mobile, browser, desktop and server) and push data to global audiences in less than ¼ of a second;Presence - Automatically detect when users enter or leave your app and whether machines are online;Storage and Playback- Store your real-time data streams for future access, “playback” or re-publish;Mobile - Easily manage the complexity of real-time apps on mobile devices;Analytics - Simulate an audience of millions. See a live view of audience size, engagement and geography;Security - Protect your real-time data with easy to use enterprise-grade security
Javascript Client; Publish/Subscribe Messaging; Service Channels; Private Message Delivery; Lazy Messages; Message Batching; Listeners, Data Filters and Extensions; Security Policy
Statistics
Stacks
249
Stacks
22
Followers
458
Followers
34
Votes
238
Votes
0
Pros & Cons
Pros
  • 36
    Massively scalable & easy to use
  • 25
    Easy setup
  • 20
    Reliable
  • 19
    Great support
  • 14
    Flexible to integrate to custom applications
Cons
  • 1
    Costly
No community feedback yet
Integrations
No integrations available
JavaScript
JavaScript
Node.js
Node.js
AngularJS
AngularJS
Dojo
Dojo
jQuery
jQuery

What are some alternatives to PubNub, CometD?

NGINX

NGINX

nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev. According to Netcraft nginx served or proxied 30.46% of the top million busiest sites in Jan 2018.

Firebase

Firebase

Firebase is a cloud service designed to power real-time, collaborative applications. Simply add the Firebase library to your application to gain access to a shared data structure; any changes you make to that data are automatically synchronized with the Firebase cloud and with other clients within milliseconds.

Apache HTTP Server

Apache HTTP Server

The Apache HTTP Server is a powerful and flexible HTTP/1.1 compliant web server. Originally designed as a replacement for the NCSA HTTP Server, it has grown to be the most popular web server on the Internet.

Socket.IO

Socket.IO

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

Unicorn

Unicorn

Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency, high-bandwidth connections and take advantage of features in Unix/Unix-like kernels. Slow clients should only be served by placing a reverse proxy capable of fully buffering both the the request and response in between Unicorn and slow clients.

Microsoft IIS

Microsoft IIS

Internet Information Services (IIS) for Windows Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.

Pusher

Pusher

Pusher is the category leader in delightful APIs for app developers building communication and collaboration features.

Apache Tomcat

Apache Tomcat

Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.

Passenger

Passenger

Phusion Passenger is a web server and application server, designed to be fast, robust and lightweight. It takes a lot of complexity out of deploying web apps, adds powerful enterprise-grade features that are useful in production, and makes administration much easier and less complex.

SignalR

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.

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