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Mark Wood & Tony Crosby, 4Tel delivered the presentation at ARA’s Telecommunications & Train Control Conference 2014. The ARA’s Telecommunications & Train Control Conference 2014 brought together passenger and freight rail operators, transport agencies, track owners, regulators and technology suppliers to assess telecommunications solutions and explored the capabilities of a shared future. For more information about the event, please visit: http://bit.ly/traincontrol14
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
INTEROPERABILITY OF DATA FOR IMPROVING THE PRODUCTIVITY OF
RAIL OPERATIONS
Tony Crosby, GM Services
Mark Wood, GM Communications & Electronics
4Tel Pty Ltd
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
Background
• Operation and maintenance contract for the NSW Country Regional Network awarded to John Holland
• 4Tel contracted to design, implement and maintain train control technology
• Interoperability approach has been applied successfully to achieve system integration
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CRN
JHR operates and maintains the CRN for 10 years as a public RIM
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Page - 3
4Tel has the technology Design, Construct and Maintenance role for the Network Management Centre
Rail Vehicle Detection – 160km
Train Order Working – 2,246km
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NMC Systems
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Use of System Interoperability
• Interfaces have been created for propriety systems
• Public networks are used for system connectivity
• Interoperability approach used to interface between systems
• Proven for transfer of Rail Safety data
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
Presentation Topics
• What is interoperability?
• Interoperability model for rail systems
• Use of public networks
• Use of interoperable data for rail safety applications
• Use of Interoperable data at the NSW Country Regional Network
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
WHAT IS INTEROPERABILITY?
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Interoperability Versus Harmonisation
• Harmonisation
– The preferred railway systems approach
– ‘One way’ lowers deployment risks
BUT
–Creates monopoly rents
– Stifles innovation
– Limits system integration
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
Interoperability Versus Harmonisation
• Interoperability
– Is demanding on standards & certification
BUT
–Promotes innovation
– Enables system integration
–Allows separation of complex system tasks
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
Interoperability Versus Harmonisation
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INTEROPERABILITY MODEL FOR RAIL SYSTEMS
Protecting People. Protecting AssetsProtecting People. Protecting Assets
Interoperability in Open Systems
1. Network connectivity
2. Methodology for describing data
3. Methodology for achieving security and operational integrity
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
Standardise Interfaces, not Systems
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Provide system connectivity
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Standardise Message Structure
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Apply security settings, Encryption
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System Interoperability
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System Interoperability is expandable
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USING PUBLIC NETWORKS
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Using Public Networks
• Exploit the $Billions invested into public networks for rail operations
• Public networks provide robust services for carriage of train control data
• Minimises the need for field infrastructure
• Reduced through life cost
• Network upgrade costs are with the carrier
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ARTC paid for extra Telstra 3G Sites
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Some 90 ‘rail’ sites installed
All sites are part of the Telstra Network and therefore are spt’d by Telstra
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USE OF INTEROPERABILITY FOR RAIL SAFETY APPLICATIONS
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Safety is an Application Layer Issue
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• Digital systems work differently
• Safety is an app issue; not media or host!!
• Interfaces between Layers in a system
• Protocols between same Layers
• The Internet uses Open Systems standards
Ho
stM
ed
iaA
pp
Interoperability is achieved via network connection interfaces
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Use for Rail Safety Applications
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Use for Rail Safety Applications
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INTEROPERABILITY IN THE NSW COUNTRY REGION NETWORK (CRN)
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NSW CRN IP Network
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Inte
rfa
ce
Inte
rface
Proprietary System 2
Proprietary System 1
NSW CRN IP Network
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NSW CRN IP Network
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CRN XML structure definition
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X
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Dedicated
VPN
Inte
rfa
ce
Inte
rface
Proprietary System 2
Proprietary System 1
Open Message
<Vehicle>
<ID>RL4537</ID>
<Time>2013-04-12
19:50:23</Time>
<Type>SC3T</Type>
<Loc>
<Lat>-31.4564</Lat>
<Lon>151.242</Lon>
</Loc>
</Vehicle>
CRN XML structure definition
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CRN XML structure definition
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Interoperable Data on the CRN
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Rail Safety Data on the CRNfor Electronic Authorities
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Rail Safety Data on the CRNfor Electronic Authorities
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TMACS Electronic Authorities
Encrypted XML
messaging and
Safety
Processing
Authority type selection added
Authority transmission status added
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Electronic Authorities over ICE
Train Orders
Shunt Orders
Alarms
ICE Display
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CONCLUSION
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Interoperability in Open Systems
• Three core elements are needed to achieve interoperability between systems:– Methodology for network connections
– Methodology for describing data
– Methodology for achieving security and operational integrity
• Interoperability is NOT Harmonisation
• Benefits from interoperability are being realised for the Country Regional Network
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Protecting People. Protecting AssetsProtecting People. Protecting Assets
• All systems can interoperate
• Create competition to reduce monopoly rents
• Promote innovation
• Improve efficiency and effectiveness
• Reduce operating costs
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Interoperability in Open Systems
Protecting People. Protecting AssetsProtecting People. Protecting Assets
For more information:
Tony Crosby
GM Services
4Tel
+61 409 360 393
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Mark Wood
GM Communications and Electronics
4Tel
+61 402 249 623
www.4tel.com.au