1. Exchange Development AND Standardization
Ricardo Coelho TMG
Portugal

2. APROACH What to exchange (Data Dictionary)
Separation of concepts
What to exchange (Data Dictionary)
DATEX II provides an excellent data dictionary (Payload Publications).
Situations, Measures, Elaborated Data, others…
How to exchange (Exchange Specification)
DATEX II provides a exchange specification based on a PIM (Platform Independent Model) and PSM (Platform Specific Model

3. Data exchange between Centres and Systems
standardization
Data Model
Content
Payload
Abstract Model
Data Exchange
Business Scenarios
Data exchange between Centres and Systems
Platfform ASN.1, XML, etc
CEN TS
Standard Multipart
Methodology
Location referencing
Situation Publication
VMS
Measured /Elaborated Data
Parking
CEN/ISO 19468
Business Scenario
Data Delivery
PIM/FEP Publish Subscribe
Collaborative ITS Services
Platform to be defined
ISO x
Message definition requirements
ASN.1
XML (Japan)
XML ( UE ) Web Services based on WS Notification (OASIS 2006)
Compatibility and Consistency of standards

4. Relationship between the standards
DATEX II
(XML Schema　
ver. 3.0)
(PIM ver.3.0)
Consistent
Platform
Specific
(XML)
Independent
(abstract)
19468
(PIM)
PIM : Platform Independent Model
PSM : Platform Specific Model
Profile B
NTCIP 2306
Profile A
Payload
Exchange

5. Exchange and the Business Scenarios
Exchange is based on Business Scenarios, two so far
Information Delivery
Collaborating ITS Services (CIS)
TMP Support

6. Exchange Context Diagram - Features

7. Exchange - Full Publish Subscribe FEP
Exchange specification features
Features
Subscription Contract
Contract
Catalogue
Subscription
Subscription life cycle;
Link Monitoring;
Information Management
Update Methods
Life cycle Management
Operating modes
Data delivery
Data request
Large Datasets Handling
Synchronization
Self-description
Handshake
Communication
Security
Compression

8. Ricardo Coelho