The ESA TASTE project is used to create and modify (among other things) Message Sequence Diagrams. But the editor tool for this is not at the technological level where it is useful in production, and where suppliers are able to do training and support programs. This study created a new implementation using state of the art software development design to create the foundation of the new TASTE applications.

This study aimed to achieve the following objectives:

• To anticipate the security needs and requirements of future space missions (Earth observation, communication, navigation, science, exploration, etc.) with respect to architectures considered for future missions.

• To build an advanced security architecture portfolio embedding state-of-the-art security concepts, technics, technologies, components and solutions.

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SAVOIR is an initiative to federate the space avionics community and to work together in order to improve the way that the European Space community builds avionics subsystems. In particular, it is aimed at getting equipment interchangeability. In particular, the group provides a set of standard avionics external and internal interfaces, the definition of building blocks composing the architecture and the functional specification of selected building blocks. One of the building block of the On-Board Reference Architecture is the Solid State Mass Memory.