CometD vs Lwan
Overview
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CLI (Node.js)
Manual
Detailed Comparison
In development for almost 3 years, Lwan was until now a personal research effort that focused mostly on building a solid infrastructure for a lightweight and speedy web 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. |
Low memory footprint (~500KiB for 10k idle connections);Minimal memory allocations & copies;Minimal system calls;Hand-crafted HTTP request parser;Static file serving uses the most efficient way according to file size;No copies between kernel and userland for files larger than 16KiB;Smaller files are sent using vectored I/O;Header overhead is considered before considering deflate compression;Mostly wait-free multi-threaded design;One thread accepts connections, one I/O thread per logical CPU handles them;Hand-crafted coroutines makes asynchronous I/O a breeze in C;Linux only, as it relies on epoll();Purpose-built I/O loop;Efficient loading cache used for;Directory listing;File information (size, last modified date, MIME type, etc);Compressed files;Diminute codebase with roughly 7200 lines of C code | Javascript Client;
Publish/Subscribe Messaging;
Service Channels;
Private Message Delivery;
Lazy Messages;
Message Batching;
Listeners, Data Filters and Extensions;
Security Policy |
Statistics | |
GitHub Stars 6.0K | GitHub Stars - |
GitHub Forks 551 | GitHub Forks - |
Stacks 1 | Stacks 22 |
Followers 6 | Followers 34 |
Votes 4 | Votes 0 |
Pros & Cons | |
Pros
| No community feedback yet |
Integrations | |
| No integrations available | |
What are some alternatives to Lwan, CometD?
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 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
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
It enables real-time bidirectional event-based communication. It works on every platform, browser or device, focusing equally on reliability and speed.
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.
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.
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 is the category leader in delightful APIs for app developers building communication and collaboration features.
Apache Tomcat
Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations.
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.
