Software migration of 4.5 million lines of code
Customer Profile:
Sector: Public finances
- major French administrative bodies
- 21'000 internal users
Software Application: Hélios
- 2'600 accounting officers
- 170'000 budgets processed per year
Budget, accounting and financial
management for the local public
sector
The Need
The Solution
The Result
business
Atos (consulting company) and
Obeo committed itself to a fixed
application of Hélios was in the
Obeo jointly proposed a solution to
fee and its responsiveness and
process of being rolled out in
modernize UDS-Forté towards Java
receptiveness played a major part
France,
and won the migration bid.
in ensuring the project’s success.
Just
as
shutdown
platform,
the
SUN
core
announced
of
on
the
the
UDS-Forte
which
the
Hélios
business layer was based.
This
Obeo
and
Atos
teams
have
success
has
further
strengthened the relationship of
therefore worked together closely
trust
that
has
been
built
up
to develop a migration factory,
between the two parties, based on
Finances
making full use of the various
expertise and commitment.
General Directorate (DGFIP) was
capabilities offered by the Obeo
therefore seeking a solution to
Agility solution:
migrate its application to Java
●
Reverse Modeling
quality requirements have been
technology, without this affecting
●
Analysis of the existing code
met: the Java code generated fully
the 2,600 accounting items and
●
Traceability
meets the target architecture for
21,000 users concerned.
●
Anomaly tagging
optimum maintenance, and the
●
Flexible configuration
number
The
French
Public
All the delivery milestones and
Requirements:
of
manual
adjustments
made was less than 4.10-4 (fewer
●
100% isofunctional migration
In
●
Cohabitation
aspects,
of
applications
addition
to
Obeo
the
has
technical
proved
than 4 per 10,000 lines of code).
its
during the migration process
credentials as a genuine partner of
Obeo has demonstrated both its
●
Equivalent performance levels
Atos, bringing its expertise as an
technological and methodological
●
Very short delivery times
application
specialist,
capacity to adjust to complex
●
No development freeze during
reflected, in particular, through its
architectures, thereby delivering a
the migration
rigorous
highly-technical
migration
control
modernization
To
these
requirements can
be
of
the
methodologies
service
of
impeccable quality.
implemented.
added major constraints in terms of
architecture and the complexity of
a technical code, which includes a
proprietary persistence layer.
A few figures
- 4.5 million lines of code migrated
- 4-year project
- Fewer than 4 per 10,000 lines of code
adjusted ex-factory
“When the project was launched, we asked Obeo to prepare and
industrialize the migration from the Forté application to Java using
its Obeo Agility workbench. The quality of Obeo’s work, along with
its professionalism and its commitment to this major Conversion
project deserve to be highlighted.”
Pascal S. - Technical Director, DGFiP, Bureau SI1G
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