Software architecture

1
Software architecture

• architecture -- components and boundaries
• case study -- a framework for multimedia feature
  detection
• native objects -- the language boundary
• embedded logic -- the paradigm boundary
• architectural styles -- distributed object
  technology
• cross-platform development -- Unix versus Windows

Additional keywords and phrases components,
information architecture, multimedia information
retrieval, feature detection, portability
2
Elements of Architecture
Wolf

• processing elements -- transformation on data
• data elements -- contain information
• connections -- glue that holds elements together

3
Models and Views
Kruchten95

• logical -- functional requirements
• process -- performance, availability,
  distribution
• physical -- scalability, configuration
• development -- organization of software modules
• scenarios -- instances of use cases

Definitions http//www.sei.cmu.edu/architect
ure/definitions.html
4
The software architecture of a program or
computing system is the structure of the system,
which comprises software components,
the externally visible properties of
those components, and their interrelationships.
Bass et al.
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Technological infrastructure
CS2001

• client-platform -- hardware, OS
• presentation services -- windows, multimedia
• application software -- code, business logic
• network -- communication support
• middleware -- distribution, (object) brokers
• server platform -- hardware, OS
• database -- data management system

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Distributed Object Patterns
CorbaPatterns
Framework
(class hierarchies)
Applications
(wrappers) System

(horizontal, vertical, metadata) Enterprise
(reference models,
infrastructure, policies) Intra/Internet

(standards)