Optimizing the IPv6/mDNS (Bonjour)/RESTful communication stack for a resource-constrained in-vehicle OS environment.
At Alive Vision Software, we implement and port communication protocol stacks to in-vehicle real-time operating systems (RTOS) in the next-generation mobility (EV/PHV) and smart grid sectors. In this achievement, we were responsible for the implementation of the next-generation communication protocol (SEP2.0) and middleware for a dedicated ECU installed in a plug-in hybrid vehicle (PHV) as part of a smart grid demonstration project by a major domestic automobile manufacturer in the United States. If you are an automotive parts manufacturer (Tier 1 or Tier 2) or an energy-related equipment manufacturer facing challenges such as "wanting to implement advanced communication protocols in limited-resource RTOS environments (like OSEK or μITRON)" or "wanting to optimize and port open-source communication modules for your own environment," please feel free to consult with us.
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【Specifications and Specs (Supported Areas and Implementation Achievements)】 ■ 1. Implementation of Middleware Compliant with SEP2.0 (Smart Energy Profile 2.0) Implementation of a communication protocol stack on an in-vehicle real-time OS (OSEK). Support for the IPv6 protocol. Implementation of RESTful protocol (HTTP-based) and XML message processing (as specified by SEP2.0). ■ 2. Porting of Multicast DNS (mDNS) to In-Vehicle OS Porting and optimization of the Bonjour module published by Apple for resource-constrained in-vehicle RTOS environments. ■ 3. Development Environment and Technologies Used In-Vehicle OS: OSEK Microcontroller: Renesas R32C Development Environment/Debbuger: HEW / E8a Compliance Standards: SEP2.0, IPv6, mDNS (Bonjour), HTTP/REST
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Applications/Examples of results
[Applications and Achievements (Our Core Technology and Open Source Publication Achievements)] Prior to participating in this project, our company developed open source middleware that ported Apple's publicly available mDNS (Bonjour) module to the μITRON (TOPPERS/JSP stack) and H8/300H microcontroller environments. Based on our solid porting know-how at this low layer, we achieved rapid optimization and implementation for in-vehicle operating systems. The results of the porting efforts and technical information from that time are publicly available.
Company information
We specialize in contract development of embedded software utilizing RTOS, and we also offer custom software solutions using video over the Internet and ISDN lines.
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