The Government

And

Service Oriented

Architecture

Presented by: Dan Pelman

• What is a Service Oriented Architecture?

• Who should be concerned and is it valuable?

• Where to start and how do I get there?

• Are there any government success stories?

• How should SOA be used to leverage value into the future?

A Short Review

What SOA is and is not SOA is:

An approach or framework A viable approach to reducing cost

• SOA is not:• A technology• A panacea • Distributed Computing or Modular

Programming• SOA should be:

• A Journey not a Jump• Flexible, Scalable and Accessible

Who in the Government should be interested in SOA?

Those that have to meet expanded business demands with lower budgets

Those that want to be prepared to leverage future technologies

Core Business Executives and Managers Chief Information Officers and Chief

Architects

When..Where..and How.. to Start When?

Once Your Enterprise Architecture includes it as a mandate… why?

Where? Data Web Services

Note: this is a technology implementation and having or using web services does not mean you have a SOA

How? Think Big, Start Small (Oliver Rist, InfoWorld, Nov 2007)

Consider provisioning using existing infrastructure.

A Case Study in Data Web Services

NAS Infrastructure

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XML (GML) Data Web ServiceUsed for Computer Aided Design 2D

Same Data Web Service used inInstrument Approach Procedure App

Data Web Service in CAD 3D

More Data Web Services in Use Today

How should working from a SOA now .. benefit us in the Future?

From

Presentation (GUI), Business Logic, and Data

To

N-Tiered

< Presentation Layer >-------< Business Layer >-----------< Data Layer >

To

Web Service Enabled

Presentation ]--web services--[ Business ]--web services--[ Data Layer

To

How should working from a SOA now .. benefit us in the Future?

Shared, Secured and Discoverable Web Services

Presentation Layer ---web service-à Business Layer ---web service-àData Layer ---web service-à

To

Full Featured Services

Presentation Layer ---web service-à Business Layer ---web service-àData Layer ---web service-à

To

Improved performance, shared code, less time to deliver new functionality

Full Featured Component/Composite Services that are discoverable, shared, and

secured

Questions?