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 fields of next-generation mobility (EV/PHV) and smart grids. In this project, we were responsible for the implementation of the next-generation communication protocol (SEP2.0) and middleware for a dedicated ECU installed in plug-in hybrid vehicles (PHV) as part of a smart grid demonstration project conducted 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, we developed our own open source middleware to port 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 and technical information from that time are publicly available.
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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.
