How do I build usrsctp from source on Linux?

Clone the repository and use CMake as indicated by the GitHub Actions badge in the README. Refer to the linked manual for detailed compilation steps, dependencies, and platform-specific instructions to ensure proper setup.

What's the performance difference between usrsctp and the Linux kernel SCTP module?

usrsctp runs in user space for portability, which adds overhead and higher latency, while kernel SCTP is faster and more efficient but OS-dependent. For cross-platform projects, usrsctp is suitable despite the performance trade-off.

Does usrsctp support SCTP over DTLS for secure communications?

usrsctp focuses on the SCTP protocol layer; DTLS support requires external layering. Check the manual or community contributions for integration examples, as security features may need additional implementation effort.

Can usrsctp be used in real-time applications like VoIP?

Yes, usrsctp's reliable messaging and multi-streaming make it suitable for real-time systems, but consider user-space latency. It's best for applications benefiting from SCTP's features over raw performance.

What operating systems does usrsctp officially support?

It supports FreeBSD, OpenBSD, Linux, macOS, and Windows, as explicitly mentioned in the README, providing broad cross-platform compatibility for diverse deployment environments.

Is usrsctp compatible with the standard BSD socket API?

usrsctp provides a socket-like API compatible with BSD sockets for familiarity, but SCTP-specific extensions require using its dedicated functions, as detailed in the manual for proper usage.

Open-Awesome

usrsctp

BSD-3-ClauseC0.9.5.0

A portable userland SCTP stack for FreeBSD, OpenBSD, Linux, macOS, and Windows.

GitHub

757 stars303 forks0 contributors

What is usrsctp?

usrsctp is a portable, user-space implementation of the Stream Control Transmission Protocol (SCTP) stack. It provides a reliable, message-oriented transport layer protocol that supports features like multi-homing and multi-streaming, enabling applications to use SCTP without kernel dependencies.

Target Audience

Network engineers and developers building applications that require SCTP protocol features like multi-homing, multi-streaming, or reliable message delivery across diverse operating systems.

Value Proposition

It offers a cross-platform, userland SCTP stack that avoids kernel modifications, simplifies integration, and provides consistent behavior across FreeBSD, OpenBSD, Linux, macOS, and Windows.

Overview

A portable SCTP userland stack

Use Cases

Best For

Implementing SCTP protocol support in cross-platform applications
Adding multi-homing capabilities to network applications
Building applications requiring reliable message-oriented transport
Developing network tools that use SCTP without kernel dependencies
Testing and prototyping SCTP-based communication systems
Integrating SCTP into existing software on unsupported platforms

Not Ideal For

Applications demanding maximum network throughput and minimal latency, where kernel-based SCTP would outperform
Environments with native kernel SCTP support, making a user-space stack redundant for basic use cases
Simple client-server models that don't require SCTP's multi-homing or multi-streaming features
Development teams without prior SCTP experience, as usrsctp requires protocol knowledge for effective integration

Pros & Cons

Pros

Cross-Platform Compatibility

Supports FreeBSD, OpenBSD, Linux, macOS, and Windows, as stated in the README, ensuring consistent SCTP behavior across diverse operating systems.

User-Space Deployment

Operates entirely in user space, avoiding kernel dependencies and simplifying integration on systems without native SCTP support, per the project description.

SCTP Feature Parity

Implements core SCTP features like reliable message delivery, multi-homing, and multi-streaming, enabling advanced networking capabilities in applications.

Active Development

Continuous integration testing via Buildbot and GitHub Actions, indicated by badges in the README, shows ongoing maintenance and reliability.

Cons

Performance Overhead

User-space processing can lead to higher CPU usage and increased latency compared to kernel implementations, a common trade-off for portability.

Integration Effort

Requires manual compilation and linking, as it's not a plug-and-play library; the README only points to a manual for setup instructions without beginner-friendly guides.

Limited Community Support

Being a niche protocol implementation, it has fewer resources and examples compared to mainstream stacks like TCP, making debugging and adoption more challenging.

Frequently Asked Questions

Related Projects

libdatachannel

C/C++ WebRTC network library featuring Data Channels, Media Transport, and WebSockets

Stars2,654

Forks563

Last commit20 days ago

libSRTP

Library for SRTP (Secure Realtime Transport Protocol)

Stars1,389

Forks516

Last commit1 month ago

libre

Generic library for real-time communications with async IO support

Stars547

Forks175

Last commit2 years ago

rawrtc

WebRTC and ORTC with a little bit of RAWR!

Stars390

Forks34

Last commit4 years ago

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a project Star on GitHub