ESOC is currently carrying out an ambitious program to standardize the infrastructure used throughout its ground segments in an effort to improve the reliability, cost effectiveness and interoperability. The end product of this program will be the ESA Ground Operation System (EGOS).The EGOS Framework will provide the foundation of EGOS. The framework will be used within all major systems within the ground segment, providing the functional foundation on which the applications and systems are built, and providing the runtime environment for standard components.The development of the concepts are driven by two architectural views of the ground segment, each influenced by one of the major trends within software development; the move to service oriented architectures (SOA) and the concept of component based application development. The service and component architectures represents two views of the system and are therefore not mutually exclusive, but complementary; the EGOS framework is a component-based architecture that supports the deployment of a service based architecture. Each component within the framework will provide and require one or more services.The goal of the EGOS Framework is to provide the foundation on which all other components can be build. The Framework provides a set of essential services, available to all components within the system. The services that will be provided are Inter process communications, event logging, service directory, configuration services and security services.The services are logically seen as provided by a set of low-level components, embedded within the framework infrastructure.Technology independence is also foreseen as a key feature of the architecture, making this easy to maintain and more cost effective in all space related projects, particularly those of long duration.
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