Joachim K.
Professional experience summary
Experience
Setup and maintenance of the build toolchain for the AIDA-NG Message Handling System
Frequentis Comsoft GmbH
- Setting up a build toolchain (CI/CD)
- Creating Docker images for different compilers
- Creating Docker images for module tests
- Controlling the build process with Jenkins
- Tools: Eclipse, GCC, SVN, Docker, Jenkins, Bash shell, Python
- Operating system: Red Hat Linux 7/8
Further development and maintenance of the AIDA-NG Message Handling System
Frequentis Comsoft GmbH
- Key involvement in the basic system design, development of the routing process and responsibility for the X.400 part of the system
- The AIDA-NG Message Handling System is a communication system used worldwide in the air traffic safety industry. Its task is to relay messages such as flight plan data, weather data and text messages. The development of this safety-critical system was done according to SWAL 3 (Software Assurance Level 3) following the EUROCAE-ED-153 specification
- The core unit of the system is the routing process, which forwards messages between various protocols based on the store-and-forward principle. The protocols used include serial protocol, X.25, TCP/IP, SMTP, FMTP, X.400, SOAP and AMQP
- Integration of the X.400 protocol
- Work on the AMHS gateway and the SOAP interface
- Programming language: C++, most recently C++17, ASN.1, XML
- Tools: Eclipse, GCC, SVN, Bash shell, Python, VMware
- Hardware: HP server, PC
- Operating system: Fedora Core 2/5/8/11, Red Hat Linux 6/7/8
- Highlights: Safety-critical environment
Adaptation of the Message Handling System to PC hardware (AIDA-NG)
Comsoft GmbH
- Porting the system design from the Multibus II platform to PC hardware
- Programming language: C++
- Hardware: HP server, PC
- Operating system: Fedora Core
- Highlights: Safety-critical environment
Redesign and development of the ANDRA Message Handling System for DFS (German Air Traffic Control)
Comsoft GmbH
- Design of the overall system
- Design of the communication between system processes based on the client/server principle
- Definition of data formats for communication and data storage
- Definition of principles for error handling
- Development of basic services for communication
- Development of message routing
- Programming language: C++
- Hardware: Multibus II (embedded)
- Operating system: Unixware 7
- Highlights: Safety-critical environment
Planning and development of the AIDA Message Handling System for the Dutch Air Traffic Control
Comsoft GmbH
- Message routing
- Memory management
- Error handling
- Programming language: C
- Hardware: Multibus II (embedded)
- Operating system: iRMK (real-time operating system)
- Highlights: Safety-critical environment
Development of an automatic measurement system for telephone lines (Amess80) in collaboration with Siemens for Deutsche Post
Comsoft GmbH
- System design, message routing
- Programming language: PL/M
- Hardware: Siemens PC
- Operating system: Concurrent CP/M
Summary
I worked for over 20 years mainly on the AIDA-NG Message Handling System. I played a key role in the basic system design, was responsible for the development of the routing process and later in charge of the X.400 part of the system.
The AIDA-NG Message Handling System is a communication system used worldwide in the air traffic safety industry. Its task is to relay messages such as flight plan data, weather data and text messages. Messages are exchanged worldwide between different air traffic control centers and domestically between air traffic control centers and their customers.
The development of this safety-critical system was done according to SWAL 3 (Software Assurance Level 3) following the EUROCAE-ED-153 specification.
The core unit of the system is the routing process, which forwards messages between various protocols based on the store-and-forward principle. The protocols used include serial protocol, X.25, TCP/IP, SMTP, FMTP, X.400, SOAP and AMQP.
The system has been continuously developed and maintained over the years and, thanks to its functionality, especially in the X.400 part, and above all because of its stability, has been the world market leader in this area for years.
Languages
Education
Technical University of Karlsruhe
Diploma in Computer Science · Computer Science · Karlsruhe, Germany
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