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Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
Architectural styles and patterns
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Architectural styles and patterns

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  • 1. Architectural styles and patterns 1 Dr. Himanshu Hora SRMS College of Engineering & Technology, Bareilly INDIA
  • 2. 2  Architecture is a high level description of a solution to a problem  architecture (high level design) includes- 1. Main Components Functionalities and properties of components 2. Major Relations Components collaborating among the components What is architecture ?
  • 3. 3  An architectural style, sometimes called an architectural pattern  It provides an abstract framework for a family of systems  An architectural style improves partitioning and promotes design reuse by providing solutions to frequently recurring problems What is Architectural Style ?
  • 4. 4  An Architectural Style defines a set of rules that describe: - The way in which the components interact CATEGORY ARCHITECTURAL STYLE Communication Service-oriented architecture(SOA), Message Bus Deployment Client/server, N-tier, 3-tier Domain Domain driven design Structure Component Based ,Object -Oriented, Layered Architecture What is Architectural Style ?
  • 5. 5 • architecture styles and patterns as sets of principles that shape an application • some architectural styles describe deployment patterns, some describe structure and design issues, and others describe communication factors What is Architectural Style ?
  • 6. The Definition of Architecture Styles 6 R. N. Taylor, N. Medvidović and E. M. Dashofy, Software Architecture: Foundations, Theory and Practice. Wiley, 2009. “An architectural style is a named collection of architectural design decisions that (1) are applicable in a given development context, (2) constrain architectural design decisions that are specific to a particular system within that context, and (3) elicit beneficial qualities in each resulting system.”
  • 7. 7  An architectural pattern is a general, reusable solution to a commonly occurring problem in software architecture within a given context  Architectural patterns are often documented as software design pattern What is Architectural Patterns?
  • 8. 8  An architecture pattern is determined by- 1)A set of element types(such as data repository or a component) 2)A topological layout of the element indicating their interrelationships 3)A set of semantic constraints(e.g. filters in a pipe-and- filter style ) 4)A set of interaction mechanisms that shows how the elements coordinate through the allowed topology. What is Architectural Patterns?
  • 9. Figure- A small catalog of architectural patterns organized by is-a-relation
  • 10. 10 R. N. Taylor, N. Medvidović and E. M. Dashofy, Software architecture: Foundations, Theory and Practice. Wiley, 2009. "An architectural pattern is a named collection of architectural design decisions that are applicable to a recurring design problem, parameterized to account for different software development contexts in which that problem appears “ The Definition of Architecture pattern
  • 11. 11 The main difference is that a pattern can be seen as a solution to a problem, while a style is more general and does not require a problem to solve for its appearance. Difference between Pattern and Styles
  • 12. 12 Thank You Dr. Himanshu Hora SRMS College of Engineering & Technology, Bareilly INDIA

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