Title: INTRODUCING SOA AND WORKFLOW MODELING TO NON-TECHNICAL STUDENTS
1INTRODUCING SOA AND WORKFLOW MODELING TO
NON-TECHNICAL STUDENTS
- Bruce J. Neubauer
- University of South Florida
2Paper 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.
3Familiar 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
4Traditional Distributed Applications
- Remote procedure calls across local networks
- Calls to DBMSs within organizations.
- CORBA
- DCOM
5CORBA Standards
6Web Services Standards
7Web 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
8Service-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
9Service-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
10- 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
11Business 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
12Orchestration and Choreography
13Workflow Design
14What software permits visual modeling of business
processes and outputs BPEL? AquaLogic (formerly
FuegoBPM)
15(No Transcript)
16The Interface is Intuitive
17- Business Process Change A Manager's Guide to
Improving, Redesigning, and Automating Processes
(2002)
18Simple Business Process Model
19(No Transcript)
20Convergent 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
21Convergent 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?
22Web 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.
23Business Process Using Multiple Web Services
- Verify customers credit
- Verify history of trade in vehicle
- Get three finance offers
- Calculate license plate fee
- Notify insurance company
24Conclusions
- 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.