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Secure and resilient connectivity software for embedded systems
Tuxera TCP/IP Stack
Product overview
Our MISRA C compliant TCP/IP stack is designed for memory constrained devices, delivering fast, secure data transfer with a small footprint and low latency. It runs on any real time operating system, microcontroller or bare metal environment, scaling from the smallest IoT device to high end embedded systems. Built in secure protocols (MACsec, IPsec, TLS and DTLS) and the Tuxera CryptoCore library give you the secure by design communication that connected products now require.
When your product has to pass certification, Tuxera TCP/IP Stack CERT is developed against DO-178C DAL A and delivered with the lifecycle evidence your assessor asks for. That same evidence base supports functional safety programs in automotive (ISO 26262), railway (EN 50716 and EN 50128), industrial (IEC 61508) and medical (IEC 62304), making the stack reusable in all functional safety relevant use cases.
DO-178C DAL A is the assurance level applied to airborne software whose failure is classified as catastrophic. It demands full requirements traceability, independent verification, modified condition and decision coverage of the source code, and qualification of the tools used to produce the evidence. We provide the evidence pack and work with you through the certification.
In embedded environments where memory is tight, every byte counts. Tuxera TCP/IP Stack delivers high performance without consuming unnecessary resources. Whether you’re replacing an outdated stack or integrating into a new system, our networking solution outperforms the default stacks bundled with your RTOS or MCU.
Every connected device is a potential target for cyber threats. With stricter regulations like the EU’s Cyber Resilience Act (CRA), security-by-design is now a must. Our solution has you covered with a complete set of secure protocols (MACsec, IPsec, (D/TLS 1.2/1.3) plus cryptography libraries and key exchange (MKA, IKEv2) to keep your data safe.
Product variants
Choose the solution that fits your needs.
When your product has to be certified, Tuxera TCP/IP CERT delivers the evidence. It is developed against DO-178C DAL A, the highest software assurance level in commercial avionics, and shipped with the safety manual, traceability, verification results and structural coverage analysis your assessor expects. The same artifacts support ISO 26262 up to ASIL D, EN 50716 and EN 50128, IEC 61508 up to SIL 4, and IEC 62304 class C, so a single certification investment carries across your product lines.
Our core networking stack is optimized for any microcontroller and supports both IPv4 and IPv6. Built to strict MISRA-C standards, it keeps your applications running reliably for years. You get secure, dependable connectivity without the maintenance headaches.
Protect your data with our comprehensive crypto library. Tuxera CryptoCore includes essential security algorithms like AES, ECDSA, ECDH, SHA-256, and SHA-384, all optimized for embedded systems. Use it with our TCP/IP stack or as a standalone solution for bare metal implementations, no OS required.
We are here to help
Have a question or need guidance? Whether you’re searching for resources or want to connect with an expert, we’ve got you covered. Use the search bar on the right to find what you need.
Suggested content for:
Your mission-critical systems demand uncompromising reliability. Tuxera products mean absolute data integrity. We specialize in file systems, software flash controllers, and secure networking and connectivity solutions. We are the perfect fit for data-intensive, mission-critical workloads. Using Tuxera’s time-proven solutions means that your data is safe and secure – always.
Our solutions are trusted by major brands worldwide. When you need reliable, scalable, and lightening-fast data access and transfer across any system or device, Tuxera delivers. Our track record speaks for itself. We’ve been in this business for decades with a clear mission: to be the partner you can trust. Read on to find out more.
From satellites to smart meters, our software protects critical data and ensures seamless connectivity wherever mission-critical systems operate.
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The perfect fit for your industry
Our networking stack solves connectivity challenges across industries with high technical requirements. Whether you need a cyber-secure solution for constrained spaces or a functional safety solution, we've got you covered.
Certification evidence to DO-178C DAL A for avionics networking, plus secure communication for satellites, ground systems and mission critical platforms.
Learn more
Low latency, ASIL ready networking from sensors and radars to telematics and Ethernet zonal architectures, with ISO 26262 artifacts.
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Protect sensitive communications in defense applications where data security can’t be compromised.
Learn more
Connect infusion pumps, monitors and imaging systems with evidence that supports your IEC 62304 class C software program.
Learn more
Connect smart meters, gateways, substations, and EV charging stations reliably across your energy infrastructure.
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Tuxera TCP/IP CERT is the DO-178C DAL A option for teams that need functional safety certification support, with the documentation and artifacts required for system certification.
Tuxera TCP/IP Stack is secure connectivity software for embedded systems, providing reliable IP networking with a small footprint and low latency. It runs across RTOS, microcontroller, and bare metal environments, with secure protocols and a certification-ready option.
An embedded TCP/IP stack is networking software that lets embedded devices, microcontrollers, and RTOS-based systems communicate over IP networks. It handles the protocols a device needs to send and receive data reliably and securely.
Tuxera CryptoCore is an embedded cryptography library supporting algorithms such as AES, ECDSA, ECDH, SHA-256, and SHA-384. It can be used with Tuxera TCP/IP Stack or as a standalone solution for bare metal implementations.
A small footprint lets memory-constrained devices add reliable networking without consuming unnecessary RAM, ROM, or system resources, which matters most on microcontrollers and other tightly constrained hardware.
Our networking stack works with virtually any RTOS, microcontroller, and compiler. This flexibility allows you to standardize a single solution across different products, reducing costs and simplifying development. For specific platform compatibility, check our technical specifications or contact our team.
Yes. The stack is designed to run on RTOS, microcontrollers, and bare metal, so you can standardize one networking solution across different products and operating environments.
We support a wide range of protocols, including MQTT and SNMP. You can find all protocols in our technical specifications. If you need support for a specific RFC, just let us know the number and we’ll confirm compatibility.
Our memory footprint depends on the environment, protocols, compiler, and hardware. For most applications, RAM use starts around 12 kB. If you’re just running basic UDP apps with minimal settings, you can get by with less than 5 kB of ROM and just a few hundred bytes of RAM (plus whatever you need for network buffers).
Performance varies based on your hardware selection and implementation details. For specific performance metrics on your target hardware, get in touch with our team.
Frequently asked Questions
Get answers to the most commonly asked questions, or reach out if your question isn’t listed here.
A small, low-bandwidth networking protocol for connecting remote embedded applications. Tuxera’s MQTT supports versions 3.1.1 and 5.0, runs on our trusted TCP/IP stack, and uses verifiable TLS for secure connections.
Network Address Translation (NAT) allows an organization to set up a network using private addresses, while still allowing its members to communicate over the public internet.
SNMP module (v2 and v3) enables secure, reliable network management for embedded devices. It lets engineers monitor usage, detect network faults, and configure devices remotely with low overhead and robust fault tolerance.
Our security applications and protocols give you consistent, secure data sharing between embedded devices:
Extensible Authentication Protocol (EAP) supports secure connections with multiple EAT types like EAPOL, EAP-TLS, EAP-IKEv2, and EAP-MD5, and can easily be extended for others.
Enrollment over Secure Transport (EST) handles secure certificate enrollment for Internet of Things (IoT) devices, using the Constrained Application Protocol (CoAP) instead of HTTP—ideal for low-resource environments.
Our flexible web server solution for embedded systems lets you create dynamic content in a secure environment. It uses the client/server model with HTTPS, where a web browser acts as the client and an application as the server. Tuxera’s Transport Layer Security (TLS) module ensures secure operations, with resources located using Uniform Resource Identifiers (URIs).
Our IPsec module ensures integrity, confidentiality, and authentication between devices in a network, using Internet Key Exchange (IKEv2) to establish security associations. Like other components of the Tuxera TCP/IP Stack, our IPsec and IKEv2 modules undergo a rigorous development process to guarantee reliability and security.
Media Access Control Security (MACsec) secures point-to-point or shared Ethernet links, ensuring data confidentiality, integrity, and authenticity. Our MACsec implementation is platform-independent, integrates with both RTOS and non-RTOS systems, and comes with tested reference drivers and full documentation.
Secure Shell (SSH) server creates a secure socket connection that can be used for executing menu commands or for tunneling data between the clients and servers of other applications.
Tuxera’s optimized Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS) modules provide secure network communication for embedded devices, supporting TLS 1.2, 1.3, and DTLS 1.2, 1.3 over TCP/IP and UDP protocols.
The Tuxera CryptoCore™ module is an add-on to the TCP/IP Stack, securing embedded systems with multiple encryption and hash algorithms. It accelerates development while protecting data on flash or during transmission. CryptoCore follows a formal verification process and includes a MISRA compliance report, supporting AES, 3DES, ECC, EDH, MD5, RSA, SHA, and Tiger algorithms.
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Suggested content for:
Your mission-critical systems demand uncompromising reliability. Tuxera products mean absolute data integrity. We specialize in file systems, software flash controllers, and secure networking and connectivity solutions. We are the perfect fit for data-intensive, mission-critical workloads. Using Tuxera’s time-proven solutions means that your data is safe and secure – always.
Our solutions are trusted by major brands worldwide. When you need reliable, scalable, and lightening-fast data access and transfer across any system or device, Tuxera delivers. Our track record speaks for itself. We’ve been in this business for decades with a clear mission: to be the partner you can trust. Read on to find out more.
From satellites to smart meters, our software protects critical data and ensures seamless connectivity wherever mission-critical systems operate.
We couldn't find any matching results. Please try searching with different keywords or browse our popular tags below.
