This is a LEO mega-constellation emulator designed to provide a realistic and highly configurable environment capable of accurately replicating the behavior of a satellite network to analyze its integration with real-world systems. Thanks to its flexible architecture, it enables the simulation of complex operational scenarios, supports real traffic, and allows physical devices to interface with…
We have configured 2 production Servers and 2 testing Servers, connected with 10 Gbit/s fiber, for the development and testing of virtualization solutions and complex network configuration and emulation. Servers are equipped with 10 Cores and 64 Gb of RAM each. In one server we have a running OpenStack configuration and a Docker engine/Compose interfaced…
We have a wide experience in Network Simulator 3 (NS3) and its Satellite NS3 extension (by Magister), with ready-to-use simulation scripts to be adapted on the basis of clients needs. Our TCP Wave protocol i salso available for NS3.
In the frame of VIBeS project, we have installed a 4G/LTE private cell at our labs, provided by Athonet: https://athonet.cloud/ .
This testbed includes a set of virtual servers and network resources suitable to reproduce a complex satellite enabled NFV-compliant testing setup. More specifically, it includes a Core Network for end user access, with 4G radio (RAN) and 5G virtual functions (identified as 4.5G), User Equipment (Smartphones), a static terrestrial and satellite emulation for hybrid backhaul…
Thanks to the collaboration with Open-Sky, within the co-funded by European Space Agency ESA COMBO SBB project, our lab has a bi-directional satellite broadband connection, through Ka-Sat by Eutelsat. Available bandwidth is 20 Mbit/s in download, and 5 Mbit/s in upload for a full Internet access.
TCP Wave is a disruptive TCP variant with sender-only modifications. TCP Wave changed the data transport paradigms: from window based to burst-based transmissions, from congestion reaction to proactive congestion avoidance, from slow start to quick start, from buffer floating to the optimum equilibrium point achievement. TCP Wave has been validated in very challenging scenarios, such…
In our labs we are hosting the SHINE testbed, associated to ongoing activities for the secure IP broadcasting and video-streaming services, leveraging VSAT connectivity. In the first stages of the project, the VSAT connectivity was emulated using a virtualized instance of the OpenSand DVB-RCS2 emulator, while currently an extension of the project foresees the use…
We have several pre-configured installations of the OpenSand SatCom emulator. Please refer to the official Web page for further references: http://opensand.org/
DAMA DVB-RCS NS2 patch available To apply on latest ns-2.32 version, it makes possible to test TCP connections behavior in simulated DVB-RCS environment with a DAMA shared return channel. Satellite Terminals can be configured so that capacity is requested with CRA, RBDC and VBDC (also mixed) strategies, up to the system capacity. Return channel is…