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EODIS network and services are being developed with the aim to disseminate the large amount of EO products coming from the Ground Segments of several Acquisition Stations. This will establish a complete end-to-end data distribution service over a satellite link complemented by a terrestrial network (Internet) used to transfer protocol control messages.
EODIS will be able to operate on a network consisting of many TXs (two TXs are foreseen in the first operational phase of the project), and RXs (five RXs are foreseen in the first operational phase of the project), managing to transfer simultaneously data files to a set of addressed RXs (multicast) or even to all RXs stations at the same time (broadcast).
EODIS shall be able to manage easily and with priority tasks which have been scheduled as well as 'on demand' session requests coming from a multitude of users spread over Europe.
Reliability and completeness of the data dissemination function are key-factors for the quality of the datacasting implementation. The user feedback for quality control of data and the presence of a separate network operational centre capable of network management and control will allow a constant monitoring of the network performance.
EODIS provides a dissemination service for Earth Observation products over a commercial satellite channel.
The EODIS network consists of 3 subsystems at different locations:
The Project is being developed in two phases:
Phase I - (March 2003 - August 2005)
During this phase the EODIS system (Eodis Operation Centre, TX Sites, RX client sites) will be set-up for the Pilot Operations. The phase 1 ends with the Mid Demonstration Review (MDR).
The deliverables for the Final Review were provided during week 49 (2005). The Final Review was successfully carried out during week 51 (2005).