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Required Total System Performance (RTSP) Bernard Miaillier EUROCONTROL

Explore genesis, structure, and application of RTSP in enhancing ATM performance. Learn about concepts, models, and future work priorities.

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Required Total System Performance (RTSP) Bernard Miaillier EUROCONTROL

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  1. Required Total System Performance (RTSP)Bernard Miaillier EUROCONTROL EUROCONTROL Agenda Item 3

  2. Genesis of RTSP • RCP, RNP, RSP • Conceived within the FANS Committee • For CNS Performance Requirements • Notion generalised to RTSP • ICAO ATMCP tasked to investigate feasibility • Future ATM to be performance based (incl. safety)(see Agenda Item 1, WP/4 - operational concept ) • Complex topic, initial work aimed at ANC/11

  3. Need for Performance Orientation • ATM serves society and air traffic stakeholders • Various expectations, safety comes first • Performance, always a reference: “safe, orderly and expeditious flow of traffic” • Performance orientation trend in economy • Communicate on goals, achievements • Current and future requirements • Plans and actual levels • Support / facilitate decision making • Understand the effect of changes • To move system developmentfrom add-ons to goal driven

  4. A Performance Framework to Structure Discussion • Three pillars • A hierarchy of ATM Performance Concepts • Accurate models of ‘what drives what’ • e.g. cause/effect relationships between expectations, functions, system components, concept of use, architecture • Rigorous description of traceable performance parameters • An approach: ISO13236 Quality of Service Framework

  5. Level 2: RASP safety, throughput, delay, predictability, flexibility, etc. Actual Performance Measurement & Monitoring Level 3: RTSP on operational functions/entities set of characteristics Rf1P RfnP Level 4: System Requirements for an airspace and/or type of users sets of consistent enabler requirements, e.g. RNP, RCP, etc. { … } { … } Level 5: Standards & specifications (technologies) tech. SARPs, MOPS, standards, ISO90xy, etc. Hierarchical ATM Performance Concepts & Models Level 1: Political and socio-economic requirements safety, security, environmental efficiency, costs, etc.

  6. Quality of Service (QoS) Framework ISO 13236 • Use for RTSP seems appropriate for • ATM system constituents, even operational services • they can be represented in terms of information processing • Describing underlying technical services • Main requirements covered by 4 characteristics • Delay - Transient responsiveness • Capacity - Throughput • Integrity - Accuracy • Reliability - Availability Illustration • RNP • navigation accuracy • RCP • 95% transit delay • message integrity • reliability/availability

  7. From Expectations to System Characteristics Trade-offs, except for safety Operational concept Scenarios System architecture RTSP ATM System RASP Expectations “SMART” Metrics Global / regional / local targets Vs global standards

  8. RTSP: an aggregate of ATM system component requirements • Describes the performance of the ATM Concept Components in a given environment • Adapted to local and user needs • Defined for most demanding characteristics • Not independent from available implementation options • balance between generic (to keep implementation flexibility), specific (to prevent proliferation of solutions) • Driven by most stringent requirements • likely: conflict management and navigation (real-time, safety related decisions) • Summed up by a few Categories only ?

  9. RTSP / Performance in ICAO Activities • Framework to facilitate co-ordination of individual contributions • Planning Tool • Global, regional or local: same model, consistency, harmonisation • For the target situation and the implementation steps towards it • Monitoring Tool • Against objectives, at appropriate level • Feed back is essential

  10. Future Work • Feasibility to be confirmed • Define metrics • Further develop the framework • Distribute individual aspects to panels with an overall consolidation body • Keep momentum on SARPs development and planning Priorities • Upper layers, definition of indicators/targets • Understand ATM system behaviour

  11. Agenda Item 3: Expected Discussion Outcome • WP/8: basis for discussion • Conference expected to • Support performance orientation for future ATM definition • Call for, and support, more work to • Formulate and define objectives/targets & metrics • Harmonise all contributions within an overall framework.

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