, Competence Center for Advanced Network Technologies and Systems The SIMTO Project A Framework for.

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Presentation transcript:

, Competence Center for Advanced Network Technologies and Systems The SIMTO Project A Framework for a Flexible Simulation Toolset for Future IP Networks Project Overview and Status Thomas Luckenbach Marc Emmelmann

HomeCarSatellite SIMTO Simulation ToolsSimulation ModelsSimulation Results The SIMTO Idea

At GMD FOKUS side SIMTO has established: research contract with Technical University of Berlin ( , 6 month student, simulation tool analysis) research contract with CNUCE ( , 12 month scientist, TCP/IP via LEO) research stay of GMD researcher in Pisa (6/00, 2 weeks., introduction into ATM-Sat, agreement on workplan) research stay of CNUCE researcher in Berlin (10/00, 1 week, introduction into demonstrator, presentation of results) ð Continuation of SIMTO depends on funding Knowledge Exchange

Work Items & Topics n Network Environment & Parameters n Evaluation of Simulation Tools n Review of Project Goals n Simulation Results

Network Environment & Parameters n Defined by GMD/Fokus n Based on LEO Satellite project at GMD n Includes definition of: n Satellite Orbit n Bit-Rates n Bit Error Rates n Up- & Downlink Delay n Intra-Satellite Delay

Satellite Orbit,Bit- & Error- Rates Feeder Up & Downlink: Mbit/s BER above MAC 2*10e-8 ISL: Gbit/s BERs neglected Service Downlink: Mbit/s BER above MAC 2*10e-8 Service Uplink (fixed): Mbit/s BER above MAC 2*10e-8 Service Uplink (portable): 384 kbit/s BER above MAC 2*10e-8 LEO Satellite 1350 km orbit 45deg inclination Service Provider Portable Terminal Mobil Terminal

Propagation Delays n Up- & Downlink Delay n function of slant range n analytically gained n verified with STK n Intra-Satellite Delay n “routes in the sky” still open n simulation based n forward & backward, “left” & “right” neighbor

Evaluation of Simulation Tools

Review of Project Goals n “Real Life” Verification of Simulation Results n Test-Beds n Real Networks n Provision of Demonstration Environment n Network independent n TCP Analyzer n User Application Platform

Simulation Results & Demonstrator Set-Up n Will be presented by: Dr. Enrico Gregori & Cristina Foderi CNR / CNUCE

World Wide Web n y Information about FOKUS n y Information about the Competence Center CATS n y Information about the project n y Download this presentation y Other CATS publications