NextGen ATN-Brazil First deployed SDN in ATM

Transcription

1 Air Traffic Management Lt. Colonel Belchior (CISCEA) & Stefan J. Galler (Frequentis)

2 NetBroker ATM-gra remote tower video stream? 2 NextGen ATN-Brazil First deployed SDN in in ATM Public 2017 Frequentis AG

3 Lt. Colonel Belchior CISCEA Master of Science in Information and Communication Engineer Deputy of Technical Division Chief Dr. Stefan J. Galler Frequentis AG Senior Product Business Manager Air Traffic Management Networks 3

4 EU 4.4M km 2 FIFA Soccer World Championship 2014 Olympic Summer Games 2016 IV Amazon FIR 5.2M km2 Brazil 8.5M km 2 I II III V National flow management centre Flight information regions / area control centres Approach centres Towers / large airports Passengers (in millions) In total >22M km² > Europe + USA Year on year traffic growth: >10% 4 Source: Nassif et. al., Challenges and current state of implemenation of an ip platform for Brazil s ATM communications, 2015 World Bank: International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates,

5 Air passengers 120,000,000 carried include both domestic and international aircraft passengers 100,000,000 80,000,000 60,000, % per year 40,000,000 20,000, Source: World Bank: International Civil Aviation Organization, Civil Aviation Statistics of the World and ICAO staff estimates,

6 Migrating toward IP, enhancing overall technical performance and optimising cost Initial situation Transition Vision Strong dependency between application and WAN today Network transparency to applications All-IP for all applications and backbones 3 3 VHF/UHF VHF/UHF Phone VHF/UHF 5 VHF/UHF Phone VHF/UHF VHF/UHF Phone Flight plan 1 5 Flight plan Flight plan 1 IP Flight plan Flight plan IP Flight plan Radar Radar Radar Radar Radar Radar Lack of WAN service flexibility 2. High cost of TDM WAN channels 3. Difficult application and network expansion 4. Huge number of legacy interfaces 5. Manual reconfiguration of TDM channels 1. Network technology transparency flexible WAN provider selection 2. Bandwidth optimization 3. Flexibility to reconfigure and expand to new operational concepts 5. Intelligent SDN-based routing 4. IP as the common interface to all applications and backbones 6

7 Today, manual re-configuration of more than 2000 TDM channels is required Initial situation Manual re-configuration of TDM channels Update technology to latest standards Enable efficient reconfiguration Roll-out of new situation Operation Scalable communication system Enable centralization of maintenance and management Safe & Secure Increase availability Operation International compliant solution (ED-137, ED-153) ATN Brazil Cost Reduce high costs of TDM channels Simplify maintenance 7

8 To deploy a communication system that will support ATM operative services for Brazilian Airspace Control, providing robustness, availability, scalability, compliance, and safety. 8 Public 2017 Frequentis AG

9 CISCEA, DECEA and Frequentis partnered to develop the ATM-grade network solution Leveraging EUROCAE compliance (e.g., ED-137B) Regional governance combined with central network management Pan regional network backbone Accompanied by local consultants and university experts ATM-grade voice on hybrid network Ensure voice quality in CLIMAX operation via TDM, IP and satellite 9

10 ATM-grade voice quality CISCEA executed live flight trials as acceptance tests letting pilots count to let everyone experience the automatic WAN re-routing in combination with dynamic delay compensation VCX-IP Delay 1 VCS VCX-IP Delay 2 TDM IP Delay 3 VCX-IP VCX-IP CLIMAX radio operations Coverage groups 10 Public 2017 Frequentis AG

11 CISCEA, DECEA and Frequentis partnered to develop the ATM-grade network solution Leveraging EUROCAE compliance (e.g., ED-137B) Regional governance combined with central network management Pan regional network backbone Accompanied by local consultants and university experts ATM-grade voice on hybrid network Ensure voice quality in CLIMAX operation via TDM, IP and satellite Bandwidth optimization 90% bandwidth savings based on use-case based optimization 11

12 Bandwidth optimization More than 90% bandwidth saved compared to a conventional IP solution Use case based optimization Remote main/standby selection Reduced calls on WAN Geographical optimization VCX-IP Bandwidth optimized trunk ED-137 compliance at system border Voice compression G.711 G Public 2017 Frequentis AG

13 CISCEA, DECEA and Frequentis partnered to develop the ATM-grade network solution Leveraging EUROCAE compliance (e.g., ED-137B) Regional governance combined with central network management Pan regional network backbone Accompanied by local consultants and university experts ATM-grade voice on hybrid network Ensure voice quality in CLIMAX operation via TDM, IP and satellite Bandwidth optimization 90% bandwidth savings based on use-case based bandwidth optimization Converged network Increased availability from 99,99% to more than 99,999% 13

14 Brokering network capacity between ATM-specific applications and non-atm specialised backbone Application ATM grade overlay Radar Radio Phone VCS AMHS NetBroker ADS-B MLAT NW mgmt. Recording Safety and security Situational Awareness VCX-IP MPLS / R2 VSAT Backbones MPLS / R1 TDM 14

15 Service classes Example definition à back Class Example applications Control based of Max. Delay / Max. Jitter Max. Packet Loss / Minimum BER QoS class / Bandwidth requirements Other capabilities allowed to use WAN 1 allowed to use WAN 2 allowed to use WAN 3 1 RAD, TF1-2 per call <50ms <10ms <0,1% < 1x10 7 EF 100% in each WAN Admission control ED-137 compliance Yes Yes Yes 1 RADAR STVD, LEP per connection <50ms <10ms <0,1% < 1x10 7 High prior AF 100% in each WAN Admission control Data forking Yes Yes Yes 2 AMHS per connection <50ms <10ms <0,1% < 1x10 7 High prior AF 100% in each WAN Admission control Data forking Yes Yes Yes 2 SAGITÁRIO per class <50ms <10ms <0,5% < 1x10 7 AF33 Traffic shaping Yes Yes Yes 2 OPMET per class <50ms <10ms <0,5% < 1x10 7 AF32 Traffic shaping NO Yes Yes 3 SILOMS, SIGPES per class <50ms <10ms <0,5% < 1x10 7 AF25 Payload encryption NO Yes Yes 4 BCA, SIGADAER per class n/a BE elastic NO NO Yes Operational Services Operational Applications Privileged Applications Administrative Applications 15 Public 2017 Frequentis AG

16 Required application performance and security define the virtual network settings Defining service classes Application ATM grade overlay Prio SK A SK B SK C Voice x Operational data x Admin data x + Radar Radio Phone VCS AMHS NetBroker ADS-B MLAT NW mgmt. Maintaining ATMgrade overlay Recording Safety and security Situational Awareness VCX-IP MPLS / R2 VSAT Backbones MPLS / R1 TDM NetBroker ensures that SLAs are kept 16

17 Brokering between ATM-specific applications and non-atm specialised backbone networks Application ATM grade overlay Backbones IP SLA probe Radar Web GUI Router/switches VCX-IP Radio with OpenFlow support MPLS / R1 Phone ATM grade applications QoS monitor API Agent Bandwidth estimator Flow optimizer MPLS / R2 VCS AMHS Command line IF Event trigger logic NetBroker ONOS distributed core OpenFlow, NETCONF, ADS-B MLAT Parameter adaptation NW mgmt. NetBroker Info base Open APIs Virtualized router/switches TDM VSAT Recording Control plane Server, blade server, virtual server Data plane Safety and security Situational Awareness 17

18 Smooth transition to SDN controlled architectures hybrid control for ATM grade networks Traditional networking Forwarding and control plane are physically combined. Hybrid SW Defined SDN NW decentralised (SDN) Uniting Separating traditional control network and design forwarding with (user SDN plane) overlay ATM grade overlay Open APIs Network Forwarding Control 18

19 Awareness Application layer Cross-layer QoS Active probing Passive monitoring Routing WAN selection Flow control Abstraction layer IP SLA probe Web GUI ATM grade applications QoS monitor Bandwidth estimator API Agent Flow optimizer Command line IF Event trigger logic Parameter adaptation NetBroker Info base xxx ONOS distributed core Safety & security Open APIs White listing Backbone layer Centre Access Aggregation VCX-IP SAT Microwave IP TDM Fibre Site B Site A 19 NetBroker

20 Awareness Application layer Cross-layer QoS Active probing Passive monitoring Routing WAN selection Flow control Abstraction layer IP SLA probe Web GUI ATM grade applications QoS monitor Bandwidth estimator API Agent Flow optimizer Command line IF Event trigger logic Parameter adaptation NetBroker Info base xxx ONOS distributed core Safety & security Open APIs White listing Backbone layer Centre Access Aggregation VCX-IP SAT Microwave IP TDM Fibre Site B Site A 20 NetBroker

21 Detecting degradation in quality, traffic re-routing if needed to ensure performance Traditional network Received traffic: Remote 1 ß à Centre Network with NetBroker Received traffic: Remote 1 ß à Centre 175pps 175pps 150pps 125pps 100pps 75pps Impairment (packet loss)? 150pps 125pps 100pps 75pps Brownout detection and switchover to another path 50pps 50pps 25pps 25pps t t Degradation over time. w/o overlay à may be it returns back to normal or not NB senses degradation à For some apps more critical than for others à Can act according to app needs 21

22 Detecting degradation in quality, traffic re-routing if needed to ensure performance Conventional IP network NetBroker ATM-grade network 22 Public 2017 Frequentis AG

23 From backbone-centric connectivity to application-centric communication IP WAN 1. Network transparency decoupling of applications and backbone infrastructure 2. ATM-grade routing Routing based on application SLAs and real-time network KPI measurements 3. Increased availability Integration of multiple technologies and backbones 23

24 The solution provides DECEA a high level of operational flexibility and scalability for future Brazil ATM demands 24 Public 2017 Frequentis AG

25 Correlating alarms plus flexibility in nationwide re-configuration and simulation of scenarios Monitoring Central Network Management Simulation Configuration National Technical Lab Regional Network I IP IP Regional Network II Pan-Brazil backbone connects all independent regional networks Anticipate preventive maintenance Reduce recover time Support investment decisions 25

26 Today, manual re-configuration of more than 2000 TDM channels is required Initial situation Manual re-configuration of TDM channels End-to-end view and automated switch-over Roll-out of new situation New levels of operational flexibility From manual to automatic switch-over Increased availability, safety and reliability From <99,99% to >99,999% availability Reduced operational costs 90% bandwidth savings 26

27 Air Traffic Management Defence Maritime Public Transport Public Safety