St. Louis Ballroom A & B [Floor Plan]
Session Chair: Wolfgang Emmerich
[Slides]

Biography: Dr. Jon Siegel, OMG's Vice President of Technology Transfer, heads OMG's technology transfer program with the goal of teaching the technical aspects and benefits of the Model Driven Architecture (MDA) based on OMG's industry-standard Unified Modeling Language (UML) and its foundation standards: the MetaObject Facility (MOF), XML Metadata Interchange (XMI), and the Common Warehouse Metamodel (CWM).

Siegel's scope also includes OMG's industry-standard middleware, the Common Object Request Broker Architecture (CORBA), and the Object Management Architecture (OMA) comprised of the CORBAservices, the CORBAfacilities, and the Domain specifications in vertical markets ranging from life sciences and telecommunications to manufacturing and financial systems. In this capacity, he presents tutorials, seminars, and company briefings around the world, and writes magazine articles, web pages, and books including the popular "CORBA 3 Fundamentals and Programming" and "Quick CORBA 3". With OMG since 1993, Siegel previously chaired the Domain Technology Committee responsible for OMG specifications in the vertical domains.

Dr. Siegel moved to OMG after twelve years with Shell Development Company, the research arm of Shell Oil, where his last position was in the Computer Science Research Department. Siegel's background includes extensive experience in distributed computing, object-oriented software development, and geophysical computing, as well as theoretical and computational work done at Argonne National Laboratory. While at Shell, he served as that company's representative to OMG, playing an active role in several OMG subgroups, chairing the Life Cycle Services Evaluation working group and the End User SIG, and serving on the Object Services Task Force. He holds a doctoral degree in Theoretical Physical Chemistry from Boston University.

Abstract: OMG's Model Driven Architecture® (MDA®) defines an application fundamentally in terms of its business functionality and behavior instead of its technology, and supports a sound IT architecture that lowers the barriers to enterprise integration. Software development in the MDA starts with a technology-independent model of an application, built in the Unified Modeling Language (UML). This model remains stable as technology evolves, extending and thereby maximizing software ROI. MDA development tools, already available from vendors, convert the technology-independent model to a working implementation on virtually any middleware platform: Web Services, XML/SOAP, EJB, C#/.Net, OMG's own CORBA, or others. Portability and interoperability are built into the architecture. OMG's industry-standard modeling specifications support the MDA: UML, now at Version 2.0; the MetaObject Facility (MOF); the Common Warehouse Metamodel (CWM); and XML Metadata Interchange (XMI). Version 2.0 of UML enhances Component, Architectural, Behavioral, and Business Modeling, and integrates representation of structure and behavior. OMG Task Forces organized around industries including Telecommunications, Finance, Manufacturing, Biotechnology, and others use the MDA to standardize facilities in their domains.

St. Louis Ballroom A & B [Floor Plan]
Session Chair: Wolfgang Emmerich
[Slides]

Biography: Michael Hirsch is partner and software engineering consultant with Zuehlke Engineering AG in Zurich, Switzerland. He has been active in software development for more than 20 years in various roles, including project manager, software architect and software developer. His current interests are agile development methods, software architectures, and open source software. He holds a degree in Electrical Engineering from HTL Bregenz in Austria and a degree in Software Engineering from HTL Bern in Switzerland.

St. Louis Ballroom A & B [Floor Plan]
Session Chair: David Rosenblum
[Slides]

Biography:Eric Brechner is the director of development excellence for Microsoft Corporation. His group is responsible improving the processes and practices of software development across Microsoft through the application of Human Performance Technology. Prior to his current assignment, Eric was director of development training, and the head of development for an Office shared feature team. Before joining Microsoft in 1995, Eric was a Senior Principal Scientist at The Boeing Company where he worked in the areas of largescale visualization, computational geometry, network communications, data-flow languages, and software integration.

He was the principal architect of FlyThru(tm), the walkthrough program for the 20GB, 500+ million polygon model of the Boeing 777 aircraft. Eric has also worked in computer graphics and CAD for Silicon Graphics Inc., GRAFTEK, and the Jet Propulsion Laboratory. He holds five patents, a BS and MS in mathematics, and a Ph.D. in applied mathematics from Rensselaer Polytechnic Institute.

Abstract: Like many software companies, Microsoft has been doing distributed application development for many years. However, recent changes in the market have altered the rules, both in terms of customer expectations and programming models for ubiquitous interconnected smart devices. These changes have provoked two dramatic shifts in the way we develop software. The first is the creation and use of the .NET Framework as a simple, secure, and robust platform for device independent software development, data transfer, and communications. The second is an agile yet highly disciplined approach to designing, testing, implementing, and verifying our software which presumes all bugs are unacceptable and must be found and fixed early before they impact internal groups, external partners, and eventually our customers. This paper discusses the nature and impact of these two dramatic shifts to the development practices at Microsoft.

St. Louis Ballroom A & B [Floor Plan]
Session Chair: David Rosenblum
[Slides]

Biography: Roy T. Fielding is the chief scientist of Day Software. He is best known for his work in developing and defining the modern World Wide Web infrastructure by authoring the Internet standards for HTTP and URI, defining the REST architectural style, and as co-founder and former chairman of the Apache Software Foundation. Dr. Fielding received his Ph.D. degree in Information and Computer Science from the University of California, Irvine, and serves as an elected member of the W3C Technical Architecture Group.

This talk features a survey of the state-of-the-practice in open source development in regards to software architecture, with particular emphasis on the modular extensibility interfaces within several of the most successful projects, including Apache httpd, Eclipse, Mozilla Firefox, Linux kernel, and the World Wide Web (which few people recognize as an open source project in itself). These projects fall under the general category of collaborative open source software development, which emphasizes community aspects of software engineering in order to compensate for the often-volunteer nature of core developers and take advantage of the scalability obtainable through Internet-based virtual organizations.