Customer: Centre National d’Etudes Spatiales (CNES)
Programme: Pléiades
Supply Chain: CNES > AIRBUS DS > CS Group SPACE
Context
CS Group responsabilities for TMA PLEIADES Programming Chain are as follows:
- Responsibility in co-contracting, project manager

The features are as follows:
- Programming Unit: image requests, program requests, receiving stations
- Access Unit: user access interface
- DUPC Unit: satellite commands, CU data
- PCME Unit: international defense programming
- Processing Unit: TMI inventory and archiving
- ImageReceivingStation Unit: receiving and ingesting TMI
- AccurateAttitudeDataRestoration Unit: fine attitude data
- CommandControl Unit: system and satellite settings
- Integration of PHRLIB/GOTLIB mission libraries
Project implementation
The project objectives are as follows:
- Development: engineering phases, software specifications, preliminary and detailed design, coding and unit testing, unit and AIV validation, acceptance, warranty,
- MCO: correction of anomalies and development of numerous functional evolutions.
The processes for carrying out the project are:
Technical characteristics
The solution key points are as follows:
- Highly deployed architecture, more than 200 XML file interfaces, Web Services
- Complexity of mission algorithms, performance requirements
- Civil/defense duality
- Ground operating life of 25 years
The main technologies used in this project are:
| Domain |
Technology(ies) |
| Operating System(s) |
Linux, XP |
| Programming language(s) |
C++, Java |
| Production software (IDE, DEVOPS etc.) |
Oracle spatial, SIG OpenMap, Web Services, Apache Tomcat, Apache Axis, Kerbéros/LDAP ,Java web start, Xerces |
| Main COTS library(ies) |
45 cots |