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About ObjectWatch and Roger Sessions

 
ObjectWatch was founded in 1994 by Roger Sessions, who now serves as its CTO. He is the originator of The Software Fortress Model for Enterprise/Service-Oriented Architectures and is widely recognized for his decades of experience in enterprise architectures, distributed systems and Service-Oriented Architectures.  To learn more about how to contract with Mr. Sessions and put his extensive experience to work for your company as you create your next-generation enterprise solutions check out our consulting services.
Sessions' Background

  • Board of Directors of the International Association of Software Architects (current)

  • One of a handful of enterprise architects in the United States to be named a Microsoft Most Valuable Professional.

  • Lead IT Architect for Software Arts

  • Lead Product Architect for Object Persistence for IBM

  • Lead Architect for the CORBA Persistence Specification for the OMG

  • Lead Architect for IBM's Persistence Implementation

  • Enterprise Interoperability partner with Microsoft
Sessions' Books

  • Simple Architectures for Complex Enterprises by Roger Sessions (200 pages) Prentice-Hall (expected: January 2008). This book describes the SIP (Simple Iterative Partitions) methodology.

  • Software Fortresses; Modeling Enterprise Architectures by Roger Sessions (277 pages) Addison-Wesley (February 2003) This book is the essential book of The Software Fortress Model.

  • COM+ and the Battle for the Middle Tier by Roger Sessions (400 pages) John Wiley and Sons. (January 2000) This book gives an overview of COM+ and how it compares to EJB and CORBA 3.0.

  • COM and DCOM; The Microsoft Vision for Distributed Objects by Roger Sessions (600 pages) John Wiley and Sons. (November 1997)

  • Object Persistence: Beyond Object-Oriented Databases by Roger Sessions (250 pages) Prentice Hall, Englewood Cliffs, N.J. (1996)

  • Class Construction in C and C++; Object-Oriented Programming Fundamentals by Roger Sessions (477 pages) Prentice Hall, Englewood Cliffs, N.J. (1992) Japanese Translation (1993)  This is a gentle introduction to object-oriented programming and C++ for C programmers.

  • Reusable Data Structures for C by Roger Sessions (180 pages) Prentice Hall, Englewood Cliffs, N.J. (1988) Japanese Translation (1990). This book describes the basics of creating reusable data structures for the C programming language.

Sessions' Magazine Articles

  • Interview with John Zachman in Perspectives of the International Association of Software Architects (April 2007)

  • Interview with Parker Harris  in Perspectives of the International Association of Software Architects (December 2006)

  • SOAs and the Changing Nature of Data in Perspectives of the International Association of Software Architects (December 2005)

  • A Conversation with Roger Sessions and Terry Coatta in ACM Queue Magazine (September 2005).

  • Fuzzy Boundaries: Objects, Components, and Services in ACM Queue Magazine (January 2005)

  • Transaction Boundary Management by R. Sessions in Software Magazine V20 #3

  • COMWare Drama: Where Components and TPMs Meet by R. Sessions. in Software Magazine, V 20, #1.

  • Enter Web Services by Roger Sessions in Software Magazine May, 2001

  • Three Roads Diverged by Roger Sessions in Component Strategies, June 1999. A comparison of CORBA, EJB, and COM+

  • Component Oriented Middleware by R. Sessions. Component Strategies, October 1998. Compares and contrasts the OMG architecture to Microsoft's Distributed Component Architecture.

  • Component-Oriented Middleware for Commerce Systems by R. Sessions, IEEE Software, September 1998

  • The Convergence of TPMs and Components by R. Sessions. Component Strategies, December 1998. Discusses how these two important technologies are coming together in the next generation of component oriented infrastructures.

  • The Distributed Object Primer by R. Sessions. LAN Magazine, March 1997.

  • Microsoft's Component Tier by R. Sessions. Software Development December 1997

  • Polymorphism, Frameworks, and littleDogs (A description of the relationship between polymorphism and object frameworks), by R. Sessions. OS/2 Magazine, Feb. 1996.

  • Encapsulation, and the EPIC Nature of Dogs by R. Sessions. OS/2 Magazine, March 1996. A study of the characteristics of Exchangeable, Protection, Isolatable, and Confidential in object-oriented systems.

  • Distributed Objects by R. Sessions. OS/2 Magazine, April 1996. Gives an introduction to distributed object programming.

  • Metaclass, and the dogs of Shakespeare (An explanation of the basic principals of metaclass programming) by R. Sessions. OS/2 Magazine, May 1996.

  • Your dog on Java (An introduction to the Java programming language) by R. Sessions. OS/2 Magazine, June 1996.

  • My girl scouts are badder than your girl scouts (A discussions of a basic gaming framework designed to teach the principals of framework programming) by R. Sessions. OS/2 Magazine, July 1996.

  • Lost in the Garden (An overview of the SOM 3.0 beta product) by R. Sessions. OS/2 Magazine, August, 1996.

  • A kilometer is not a kilometer (Measuring performance in distributed object systems) by R. Sessions, OS/2 Magazine, September, 1996.

  • Ten Rules for Distributed Object Systems by R. Sessions, OS/2 Magazine, October 1996.

  • Dynamic Frameworks (A discussion of the role of dynamic class loading) by R. Sessions, OS/2 Magazine, December 1996.

  • The Netwars (An analysis of the battle for control of the interface to the Internet) by R. Sessions, OS/2 Magazine, January 1996. (Also translated into Japanese.)

  • SOMobjects Developer Toolkit: Sharing SOM Objects with DSOM, by Erickson, C., N. Coskun, and R. Sessions. OS/2 Developer, Jan/Feb 1994

  • SOMObjects Developer Toolkit: An Overview, by Sessions, R., N. Coskun, and C. Erickson. OS/2 Developer, Nov/Dec 1993

  • Method Resolution in SOM, by Sessions, R., and N. Coskun. OS/2 Developer, Spring 1993

  • SOM Enchanted Evening, by Sessions, R., and N. Coskun. Computer Language, April 1993

  • SOM Overview, by Sessions, R. First Class Objects (OMG) Summer 1992

  • Class Objects in SOM, by Coskun, N., and R. Sessions. OS/2 Developer, Summer 1992

  • Object-Oriented Programming in OS/2, by Sessions, R., and N. Coskun. OS/2 Developer, Winter 1992

  • C Data Concepts, by Sessions, R. Computer Language, 3, 2

A few of Sessions' ObjectWatch Quarterly Newsletter Articles

  • IT Architectures and Weddings  by R. Sessions in The ObjectWatch Quarterly Newsletter #54 (A discussion of the importance of partitioning in IT architectures).

  • SOAs and the ObjectWatch Technology Life Cycle by Roger Sessions in The ObjectWatch Quarterly Newsletter #53.

  • What Is A Service-Oriented Architecture? by R. Sessions in The ObjectWatch Quarterly Newsletter #45.

  • Predicting Enterprise Costs by R. Sessions in The ObjectWatch Quarterly Newsletter #43

  • Objects and Components: Differentiating These Two Technologies in The ObjectWatch Quarterly Newsletter #28

  • Why I don't have a Lamborghini - A comparison of high end boutique computers and low end generic clusters by R. Sessions in The ObjectWatch Quarterly Newsletter #23

  • Matters of State: An overview of the relationship between instance state management and scalability of component systems by R. Sessions in The ObjectWatch Quarterly Newsletter #13
Speaking Engagements and Classroom Instruction Sessions has given many talks at conferences and companies throughout the world -  far too many to list in their entirety. More than 50,000 people in more than 20 countries have attended one or more of Sessions’s workshops on building and designing high-end software architectures. 

Most recently Sessions has given these talks:

  • Featured Presentation at NYC Meeting of the International Association of Software Architects: Simple Architectures for Complex Enterprises.
  • Featured Presentation at St. Louis C# Users' Group: Simple Architectures for Complex Organizations.
  • Keynote talk at The Business Process Integration & Workflow Conference (October 2005): Workflow; The Whole Picture
  • Featured talk at The International Association of Software Architects (Austin, August 2005): Service-Oriented Architectures: The Next Generation.
  • Breakout talk at Tech-Ed (June 2005): Next Generation Service-Oriented Architectures.
  • Breakout talk at Academic Days (June 2005): Designing Service-Oriented Architectures.
  • Keynote talk at The Austin Interoperability Conference (Austin): SOAs, Benefits and Challenges. (October 2004)
  • Keynote talk at The Microsoft Architect Council (Florida): Succeeding in a Service-Oriented World. (June 2004)
  • Keynote talk at The Microsoft IT Summit (Boston, Austin, San Jose): The Road to Interoperability. (January 2004).
  • Keynote talk at The Austin Software Architects User Group: Ten Common Mistakes in Enterprise Architectures
Contacting Roger Sessions Roger Sessions can be reached at roger@objectwatch.com, by phone at 979-836-2244, or by post at:

Roger Sessions
ObjectWatch, Inc. #232
13359 Hwy 183 North, Ste 406
Austin, Texas, USA 78750
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