reconciling uml and bpmn models in updm€“ jfcom and strike coi for documenting joint close air...

Approved for Public Release: 09-4979

Fatma Dandashi

Mitre Corp.

Reconciling UML and BPMN Models in UPDM


Market Need

■ Architects have a need to model business processes us ing BPMN– BPMN provides richer semantics vs. UML Activity mod els

■ UPDM architects have a need to develop behavioral m odels using BPMN (within their UPDM architectures)

■ (UML based) SoaML tool vendors have a need to integr ate SoaML and BPMN

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Problem Statement

■ Existing OMG specs provide no capabilities to tightly link UML (including derivatives – UPDM, SoaML, etc.) and BPMN. By “tightly” we mean:– BPMN elements need to be stored within UML (UPDM)

packages

– UML (UPDM) relations need to target/start from BPMN elements

– UML (UPDM) elements can reference BPMN elements

– BPMN elements can be extended to fit UPDM – addition al UPDM properties

– BPMN elements can reference UPDM elements

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Goal

■ There is a market need to define links between elemen ts in UML/UPDM/SoaML models and BPMN models, along with an interchange format that can convey all these links

■ Users should be able to develop one model, rather that multiple, loosely coupled models

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Solution Statement

■ Definition: BPMN as a UML profile with notation – the BPMN meta model is retained and there is also a UML profi le for BPMN –with a mapping between the two. BPMN should l ook the same in either case.

■ Proposed Solution: Create a UML profile for BPMN to enable an architect to utilize BPMN for modeling operational/business architecture views. – The proposed RFC defines a mechanism to link elemen ts in

UPDM models, UML models, and BPMN models, along wit h an interchange format that conveys all these links

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Not proposing that we define/resolve/agree on what is " the right way" to " integrate BPMN and

UML models" in general


DoD UPDM Requirements

■ Ability to model BPMN elements in UML models, made necessary by the DoD requirement to enable:– Integrating the models in UML tools

– Exchanging these integrated models between UML tool s

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DoD Position Statement

■ For UPDM, UML is essentially used as an infrastructure for integrating various Enterprise Architecture (EA) viewpo ints such as capabilities, systems, organizations, informa tion, etc.– Based on OMG and market facts, there are currently no

infrastructures (other than UML profiles) at the OM G to enable the EA integration

■ DoD backs the intention to create a UML profile for BP MN in order to utilize BPMN for modeling some of the DoDAF/UPDM views

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Discussion (1 of 4)

■ DoDAF v 2 calls for Fit for Purpose Presentation & Models– Architects should be able to

use modeling notation that is appropriate or “fit” for the purpose or audience

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Modeling Notation

BPMNUML

SysML...


Discussion (2 of 4)■ DoD components now use BPMN for modeling operational

views, e.g.,– JFCOM and Strike CoI for documenting Joint Close Ai r Support

(JCAS) Scenario

– BTA for documenting DoD’s Business Enterprise Archi tecture (BEA)

■ Currently in UPDM, there is no automated mechanism for operational users (using BPMN) and system integrators (using UML) to link requirements/operational models to systems/solution models, such that:– Forward traceability between operational and system models is

maintained to ensure coverage of requirements

– Backward traceability from system to operational mo dels is maintained to ensure validity of solution

■ Creating a UML profile for BPMN would allow reusing BP MN within UPDM, in the same manner that SysML and SoaML are reused

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Discussion (3 of 4)

■ Some UML tool vendors are already providing support forBPMN within their tools– Military: DoD/NATO ISAF* application - two separate models:

the process model is in BPMN, the data model is in UML. “need for well-defined links between BPMN messages (i.e., specific or generic data put/gets) and UML object representatio ns of those data objects. .. Subsequently having SVs that link th ese UML class/objects to specific systems and SOA servic es. ”

– Commercial: “Native integration between BPMN and UP DM is a worthy goal as we lose the native link using tools today. So for example, we cannot query for impact analysis betwee n OV-2 and OV-5 (as BPMN) using a native UPDM implementati on. It has to be chained via meta-model transformation.”

■ Each vendor/user is defining their own path forward. T hisprevents common mapping and interchange

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Discussion (4 of 4)

■ Several exchange mechanisms for BPMN exist:– Two exchange mechanisms for BPMN are being develope d by

OMG: BPMN XMI and XML Schema serialization

■ Defining a UML profile for BPMN and utilizing profile within UPDM enables:

■One format for exchange across UML/SysML tools (the se are the UPDM submitters) with UML XMI

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UPDM 1 + BPMN = UPDM 2

UPDM v2UPDM v2

UPDM L1

SoaML

UML

UPDM L0SysML

BPMN v2

UPDM v1UPDM v1

UPDM L1

SoaML

UML

UPDM L0SysML

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UPDM v2 with BPMN-SoaML Integration

UPDM v2-beforeUPDM v2-before

UPDM L1

SoaML

UML

UPDM L0SysML

BPMN v2

UPDM v2-afterUPDM v2-after

UPDM L1

SoaML

UML

UPDM L0SysML

BPMN v2

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Deliverables

■ UML-BPMN mapping

■ UML extensions for BPMN structures (a UML profile)

■ XSLT transformation between UML and BPMN models, based on UML-BPMN mapping

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Work Completed so far

■ UML – BPMN mapping

■ Draft UML profile for BPMN

■ Draft spec for “UML profile for BPMN” (autogenerated)

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How does this affect UML tool vendors

■ UML Profile for BPMN will provide the ability to defin e integrated models, linking software architectures to h igher level business processes

■ UML Profile for BPMN will allow interchange of UML mo dels across UML tools

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How does this affect BPMN tool vendors

■ Impact on the "business" world is minimal-to-none, since this standard affects UML tool vendors only. Business analysts that care little about UML will see absolut ely no change

■ BPMN tool vendors will have a standard means for converting their models to UML, given there is a stand ard mapping and XSLT transformations

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Target Users for BPMN Profile

■ UML modelers and architects who want to introduce BPMN diagrams in their models. BPMN has richer semantics, an d business-user friendly notation and semantics for model ing business processes within an architecture model

■ Business Analysts (indirect audience)- Definition of the BPMN profile defines a common mapping to UML, which helps to hand-off BPMN diagrams to UML modelers in a common way. This provides model traceability from syst em design and solution architecture models back to busine ssmodels

■ Organizations currently using UML and BPMN tools with a need for model interchange

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BMI View in General

■ UML modelers and UPDM modelers have expressed their need to use both BPMN and UML in a single model

■ Discussion ensued within the BMI concerning possible methods for meeting the requirement. The table below captures informal results of those discussions

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http://www.doodle.com/q3v57nx7tmp7ce27

Not in time for UPDM v2.0

They remain separate standards

BPMN is a UML profile with notation

Create is a unified model encompassing both

Semantic models with UML and BPMN viewpoints

BPMN replaces UML activity diagrams

BPMN grows to make UML not required

BPMN and UML are separate models, mapped with QVT

There are ways to make links between them

Other

2 5 15 8 4 0 2 3 0


Current supporters

■ Armstrong Process Group

■ Artisan (vendor)

■ Canadian National Defence

■ KnowGravity (vendor)

■ MEGA (vendor)

■ Model Driven (vendor)

■ No Magic (vendor)

■ Mitre

■ Oose Innovative Informatik GmbH

■ Sandia National Laboratories

■ Sodius (vendor)

■ Softeam (vendor)

■ Sparx Systems (vendor)

■ US DoD

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Next steps

■ Get agreement within OMG that a “UML profile for BPMN” is a solution for this problem scope/audience

■ Find a TaskForce for “UML profile for BPMN”

■ Polish the mapping/profile/spec. Create XSLT

■ Issue RCF for the next TC meeting (March, 2010)

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Summary

■ The proposed RFC defines a mechanism to link element s in UPDM models, UML models, and BPMN models, along wit h an interchange format that can convey all these links

■ The UPDM requirements are:– BPMN elements need to be stored within UPDM package s

– UPDM relations need to target/start from BPMN eleme nts

– UPDM elements can reference BPMN elements

– BPMN elements can be extended to fit UPDM

– BPMN elements can reference UPDM elements

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Not proposing that we define/resolve/agree on what is " the right way" to " integrate BPMN and

UML models" in general


BACKUPS

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Definitions

■ Business Process Model and Notation (BPMN)– Supports business users by providing a notation tha t is

intuitive (for business/military users), yet able t o represent complex process semantics

■ Unified Modeling Language (UML) – The way the world (systems and software engineers) models

application structure, behavior, and architecture

■ Unified Profile for DoDAF/MODAF (UPDM)– Provides industry standard UML representation of

DoDAF/MODAF architecture models

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reconciling uml and bpmn models in updm€“ jfcom and strike coi for documenting joint close air...

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