Introducing soa and workflow modeling to non technical students
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INTRODUCING SOA AND WORKFLOW MODELING TO NON-TECHNICAL STUDENTS. Bruce J. Neubauer University of South Florida. Paper is intended to be a contribution to Pedagogy and to MIS. Generalist managers need to understand some implications of software engineering.

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INTRODUCING SOA AND WORKFLOW MODELING TO NON-TECHNICAL STUDENTS

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Introducing soa and workflow modeling to non technical students

INTRODUCING SOA AND WORKFLOW MODELING TO NON-TECHNICAL STUDENTS

Bruce J. Neubauer

University of South Florida


Paper is intended to be a contribution to pedagogy and to mis

Paper is intended to be a contribution to Pedagogy and to MIS

  • Generalist managers need to understand some implications of software engineering.

  • Programmers increasingly have reason to understand business processes.

  • Convergent engineering is the concurrent design of software applications and the business processes supported. See David Taylor.


Familiar benefits of modular design of software applications

Familiar Benefits of Modular Design of Software Applications

  • “Divide and conquer” approach to complexity

  • Facilitates coordination of team members

  • Project easier to document and comprehend

  • Opportunities for code reuse

  • Application easier to maintain


Traditional distributed applications

Traditional Distributed Applications

  • Remote procedure calls across local networks

  • Calls to DBMS’s within organizations.

  • CORBA

  • DCOM


Corba standards

CORBA Standards

  • Source: Wikipedia.com


Web services standards

Web Services Standards

  • Source: Wikipedia.com


Web services standards1

Web Services Standards

  • Built on Internet protocols

  • Facilitate creation of distributed applications for the Internet and intranets

  • Generally do not hold state

  • Tend to be slow because of overhead required by use of SOAP and XML

  • Used to implement Service Oriented Architectures


Service oriented architecture soa

Service-oriented Architecture (SOA)

  • Distributed systems in which some of the modules of software are Web Services

  • Involves the concept of SERVICES, that is not necessarily intuitive to either programmers or to business analysts


Service oriented architecture soa1

Service-oriented Architecture (SOA)

  • As I understand it, the design goal is not only to design the software code, but to integrate the design of business processes into the design of the software code.

  • Blurs the distinction between (business) analysis and design

  • The goal is convergent engineering as envisioned by David Taylor


Introducing soa and workflow modeling to non technical students

  • Business Process Modeling Language (BPML) is a meta-language for the modeling of business processes, just as XML is a meta-language for the modeling of business data. BPML was a proposed language, that has been dropped in favor of BPEL4WS.

    Source: Wikipedia.com


Business process execution language bpel

Business Process Execution Language (BPEL)

  • BPEL's focus on modern business processes,

  • BPEL uses Web services

  • BPEL is an orchestration language

  • Supports “programming in the large”


Orchestration and choreography

Orchestration and Choreography


Workflow design

Workflow Design


Introducing soa and workflow modeling to non technical students

What software permits visual modeling of business processes and outputs BPEL? AquaLogic (formerly FuegoBPM)


The interface is intuitive

The Interface is Intuitive


Introducing soa and workflow modeling to non technical students

Business Process Change: A Manager's Guide to Improving, Redesigning, and Automating Processes (2002)


Simple business process model

Simple Business Process Model


Convergent engineering

Convergent Engineering

  • We are designing both business processes and the software that automates processes

  • We define Roles, Rules and Activities

  • We identify unconditional and conditional paths between activities

  • We identify sub processes to address complexity


Convergent design

Convergent Design

  • Who are the actors (roles) in this business process?

  • What activies must be performed in what order?

  • Under what circumstances must conditional paths be possible?

  • What might we outsource using Web Services?


Web services and soa

Web Services and SOA

  • An activity can be implemented as a Web service and outsourced beyond the focal organization.

  • A Web service may be used to tap into part of the functionality of a legacy system, within or outside of a focal organization.


Business process using multiple web services

Business Process Using Multiple Web Services

  • Verify customer’s credit

  • Verify history of trade in vehicle

  • Get three finance offers

  • Calculate license plate fee

  • Notify insurance company


Conclusions

Conclusions

  • There is something important here.

  • BizTalk Server, orchestration, choreography of Web Services, convergent engineering

  • Service Oriented Architecture

  • On my first effort to teach this, I found the to actually do the design of business processes.

  • The BEA software got in the way of learning.


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