What do we deal with by the way? We … • Plan & Define • Architect & establish • Maintain & operate
… our Company’s Information System …
Department of Computer Sciences – University of Basel 2
What do we deal with by the way? What is a Company Information System? • Flight Booking System @ Lufthansa, Germany, mid 60ies
Department of Computer Sciences – University of Basel 3
What do we deal with by the way? A Company Information System is comprised of ... • Processes
Department of Computer Sciences – University of Basel 4
What do we deal with by the way? A Company Information System is comprised of ... • Function points and applications
Department of Computer Sciences – University of Basel 5
What do we deal with by the way? A Company Information System is comprised of ... • Data, Data Structures and Data Containers (Folders, Binders et al)
Department of Computer Sciences – University of Basel 6
What do we deal with by the way? A Company Information System is comprised of ... • Some sorts of technological infrastructure and underpinnings
Department of Computer Sciences – University of Basel 7
What do we deal with by the way? What has changed is that ... • „Things“ have taken off the ground ...
.. far beyond what was possible in the „things“ world of the mid 60ies Department of Computer Sciences – University of Basel 8
Architecture is not new The Solution Architect in the 60ies had to arrange processes, data, applications, tools, spaces and other means, fundamental to the given business models …
Department of Computer Sciences – University of Basel 9
Architecture is not new … similar to what the Solution Architects have to in 2008
... but the means changed in the meantime Department of Computer Sciences – University of Basel 10
Architectural disorientation Why bother?
Department of Computer Sciences – University of Basel 11
Architecture Disorientation Question for You Please think broadly about this and shout out all aspects and dimensions that span the concept of «Architecture» in an IT context
Department of Computer Sciences – University of Basel 12
Architectural disorientation Why bother?
What is architecture? What are you expected to do as an architect?
How is architecture manifested?
A tube
A brush
Department of Computer Sciences – University of Basel 13
Architectural disorientation Why bother?
How do you distinguish good from bad architecture? Where and when does architecture occur?
Why is architecture to be developed – why is it useful? Whereby is architecture developed? Who is responsible for architecture? How do you approach architecture? What do you need to know as an architect?
Department of Computer Sciences – University of Basel 14
Let’s do some Architecture Architecture Fingerfood
Department of Computer Sciences – University of Basel 15
Architectural disorientation Why bother?
Let’s stroll through an “architecture” flip-book
Department of Computer Sciences – University of Basel 16
every “thing” has an architecture
consciously created – or not
architecture is inherent
architecture does not stand still architecture evolves
architecture does not stand still architecture evolves
there is no architecture module not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
architecture is intangible in a system
architectures are models of systems not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
not the architecture module
models reduce complexity
INPUT
PROCESS
OUTPUT
architecture models focus main pillars
what is „main“ depends on viewpoint
Solution context A
Solution context B
architecture = system holism Stakeholder View Function / Process View
Component View
Deployment View Operational View
Function1
Function2
Function3
a view serves a specific viewpoint Aarau – public reality transport model population density buffer zones
