The 2.0 Component Model contains a hierarchical structure of XML objects used to enable 2.0 APIs and web services which subsequently allows developers to optimize component reuse and build other 2.0 XML objects.

1. Introduction to the OpenTravel 2.0
XML Object Suite Component Model
January 2013
1 © 2013 OpenTravel Alliance | www.opentravel.org

2. About OpenTravel
XML Standards for the Travel Industry
OpenTravel provides the preferred open source XML standard for
the travel and leisure industry.
1999 2001 2011
OpenTravel formed as a OpenTravel produces OpenTravel creates a
member funded, the first open standards second open standard-
not-for-profit for the travel industry. based schema product.
organization.
By using the OpenTravel specification, you’ll join a worldwide network of travel industry
suppliers, resellers, global distributors and integrators dedicated to
meeting their customer and trading partner XML distribution demands.
2 © 2013 OpenTravel Alliance | www.opentravel.org

3. About OpenTravel
Importance of Common Information Exchange Model
• OpenTravel maintains the
common information service interface
schema
standard
schema
application
schema
exchange model (CIEM)
created by and for the mapping mapping mapping
travel industry
trading partner 1
• Represents travel industry OpenTravel
data at rest (implementer Common
stored) and in motion Information
Exchange Model
(exchanged) (CIEM)
trading partner 2
• The foundation of all
OpenTravel specifications mapping mapping mapping
Travel segment contextual
service interface standard application
• schema schema schema
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4. 2.0 XML Object Suite Component Model
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5. OpenTravel 2.0 XML Object Suite Component Model
Hierarchical Component Model
The 2.0 Component
Model contains a
hierarchical structure
of XML Objects used
to:
• Optimize component reuse
• Build other 2.0 XML objects
• 2.0 enable web services
• 2.0 enable APIs
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6. OpenTravel 2.0 XML Object Suite Component Model
Component Model Map
Web Service Business Object Core Object Value w/ Attribute
Service Operation Core Object Value w/ Attribute Enumeration
Business Object Value w/ Attribute Enumeration Simple Type
Core Object Enumeration Simple Type Atomic Type
Value w/ Attribute Simple Type
Enumeration Simple Type
Simple Type Atomic Type
Atomic Type
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7. OpenTravel 2.0 XML Object Suite Component Model
Component Categories
Basic Components Extensible Components
• Not implementer extensible • Implementer extensible
• Enforce reuse throughout the open • Allow exchange of proprietary
distribution standard information
• Protect integrity of (and • Prevents business disruption by
investment in) the open allowing exchange of data while
distribution standard distribution standard is being
• Used as “building blocks” for enhanced
other 2.0 components
Examples:
Examples: • 2.0 Enumeration
• 2.0 Simple Type • 2.0 Core Object
• 2.0 Value with Attributes • 2.0 Business Object
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8. OpenTravel 2.0 XML Object Suite Component Model
Extensible Components: Enumerations Implementer
Extensible
Closed Enumeration Open Enumeration
• Non-value extensible enumerated list • Fully extensible enumerated list
• Static list of values and system actionable
metadata
• Alternate language extensible
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9. OpenTravel 2.0 XML Object Suite Component Model
Extensible Components: Business Objects Implementer
Extensible
Business Object
• Large-grained business objects
that are used to enable travel Examples
distribution by sharing data • Loyalty Account
across heterogeneous business • Profile
applications both internal and • Offer
external • Reservation
• Uniquely identifiable and define all • Itinerary
information known for the given object • Seat Map
• Typically associated with enterprise • Vacation Rental Property
business processes, such as: • Company
• Shopping and availability
• Activity
• Loyalty program management
• Reservation create, modify, cancel
and retrieve
9 © 2013 OpenTravel Alliance | www.opentravel.org

10. OpenTravel 2.0 XML Object Suite Component Model
Extensible Components: Core Objects Implementer
Extensible
Core Object Examples
• Logical groupings of parts of • Directions
• Copyright
an object
• Geocoding
• Used as “building blocks” in: • Seat
• Other core objects • Guest Room
• Business objects • Vacation Rental Unit
• Origin & Destination
• For example, an Address core • Payment Card
object is a component of: • Email Address
• A Company business object • Passport
• A Directions core object
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11. OpenTravel 2.0 XML Object Suite Component Model
Extensible Components: Facets
Facet Categories
2.0 Facet
Identifier
• Organized collections of data in A subset of the XML object data that uniquely identifies a
2.0 Components Business Object
• Provide XML object extensibility
at the facet category level Summary
A subset of descriptive XML data intended for use in thin-
• Provide XML binding substitution client services
mechanism
• Hierarchal inclusion structure Detail
A larger subset of descriptive XML data intended for use in
functionally richer services
includes Query
A subset of data that applies to a query process
includes includes
Custom
Proprietary implementer defined facet (business objects)
11 © 2013 OpenTravel Alliance | www.opentravel.org

12. OpenTravel 2.0 XML Object Suite Component Model
Extensible Components: Facet Substitution
Business Object Substitution Group Example: Airport
Substitution Groups
• Used with core and business I only need to
object facets exchange an IATA
airport code
• Allows XML binding to one
substitution group facet
I need to exchange
links for airport
contact & directions in
search results
ID
Summary I need to include airport
terminal lounge
Detail information and airport
ground transportation
information in a
reservation confirmation
12 © 2013 OpenTravel Alliance | www.opentravel.org

13. Questions?
www.OpenTravel.org
Valyn Perini, CEO
valyn.perini@opentravel.org
Bonnie Lowell, Specification Architect
bonnie.lowell@opentravel.org
MA Neff, Program Manager
MA.neff@opentravel.org
OpenTravel 2.0 XML Object Suite
Travel distribution just got cool.
13 © 2013 OpenTravel Alliance | www.opentravel.org