Sirius is the foundation of Capella, an open source modeling workbench now massively deployed and used. After an introduction providing an onverview of how Sirius and Capella developments are organized, this talk describes (and demonstrates) how multi-user is implemented in Capella and Sirius.

1. www.thalesgroup.com
Collaborative modeling
with Capella and Sirius
SIRIUSCON 2016
Stéphane Bonnet, Thales Corporate Engineering
November 15th, 2016

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Thales : A Wide Spectrum of Complex Systems
N°1
worldwide
Payloads
for telecom satellites
Air Traffic Management Sonars Security for interbank
transactions
N°2
worldwide
Rail signalling systems In-flight entertainment
and connectivity
Military tactical
radiocommunications
N°3
worldwide
Avionics Civil satellites Surface radars

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Sirius history
20132007 2008 2009 2016
Specification and
development of
Sirius
Open Source
First
Obeo/Thales
prototyping
Beginning of
Capella
development
Launch of Obeo
Designer product
First deployments of
Capella

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Capella Diagrams
FUNCTIONS,
DATAFLOWS STRUCTURE
BEHAVIOUR BEHAVIOUR
INTERFACES

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Examples of diagrams

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Figures
7 Years of intensive usage
30+ Different kinds of representations
1500+ End-users
>###M € (biggest Thales projects it is used on)
6m x 10p Most intensive collarative modeling

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2016: A typical year of collaboration (the Capella perspective)
March End of September NovemberJanuary April December
Capella 1.1
End of high-
level Sirius
evolutions
priorization
End of Capella
need capture
process
Sirius
4.0
Sirius
4.1.1

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Main challenges
Performance
Ergonomics
Collaboration

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3 years of strong focus on ergonomics

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Multi-user, « optimistic » approach

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Multi-user, « pessimistic » approach
Clearcase, SVN
Model
Shared
Model
Configuration management ≠ Multi-user

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Team 4 Capella, principles
Fine-grained, short duration,
and automated locks
Live update

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Working on a remotely shared model

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Working on a remotely shared model
Server host ID
Repository name
Login/password

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Administration

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Team 4 Capella (T4C) - DEMO
1 Jenkins server
1 T4C server
2 TC4 clients (User A, User B)
Basic lock ad update mechanisms, archives

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Obeo Designer Team Edition

18. www.thalesgroup.com
Thank You! Questions?
Capella website:
http://www.polarsys.org/capella/
LinkedIn
http://www.linkedin.com/company/capella-modelling-workbench
Twitter
https://twitter.com/capella_arcadia
Arcadia forum:
https://polarsys.org/forums/index.php/f/12/
Capella forum:
https://polarsys.org/forums/index.php/f/13/
IFE model & doc.:
http://www.polarsys.org/capella/start.html