Tenders Are Invited For Dynamic High-Volume Data Distribution

Tenders are invited for Dynamic High-Volume Data Distribution for Integrated Optical and Rf Networks (Artes 4.0 Sl Spl 6c.082) - Expro+ Objective: The objective of the activity is to develop bundle protocol and network stack, enabling automatic high-volume end-to-enddata distribution within integratedRF and optical networks. The testbed shall be developed to test networks feature heterogenous links, e.g. in terms of data rates or latencies, and includeend users, mission and payload control centres, optical and RF ground stations and space data relay systems.TargetedImprovements:Standardised data distribution irrespective of RF or optical communication.Reduced ground segment complexity (single system for RF and optical).Automatic network-based distribution.Increased E2E data delivery accountability leveraging unified reporting.Description: The need for hybrid (optical and RF) networks is due to the volumeof data transferred by satellites 00that is ever increasing. Optical communicationpotentially combined or augmented with RF communication at higher frequencies is supporting high or very high data rates. The distribution of this datais non-trivial and faces several challenges like non-permanent connectivity and asymmetric data rates in space and on ground just to name a few. It ishighly desirable to take a reliable and interoperable end-to-end approach with a common addressing scheme to cross organisational boundaries whilebeing able to monitor and manage the overall process of data distribution.The activity will develop an integrated optical andRF scalable high-volume data distribution testbed (demonstrating beyond 1 TB per downlink) based onDisruption Tolerant Networking (DTN). The activity will develop combined software and hardware. The testbed will be tested for high speed DTN nodesconnected over Wide Area Networks, emulating end users, control centres, and ground stations connecting with simulated spacecraft. It will includemonitoring and control aspects of individual nodes and DTN Network Management. The activity will allow the gathering of valuable experience in arepresentative environment and will address the problem of reliable and efficient data distribution in heterogenous ground networks and prepares theexpected deployment of DTN in space nodes in the future Tender Link : https://esastar-publication-ext.sso.esa.int/ESATenderActions/filter/open