This Course Video Transcript. A good software architecture will yield a good return on investment with respect to the desired outcome of the project, e. Software Architecture is a powerful tool because. The objectives of having a design plan are as follows − To negotiate system requirements, and to set expectations with customers, marketing, and. Requirement elicitation catering the perspective of software architecture is quite challenging and relatively less explored research area for the rapid software development. Conceptual integrity: a term introduced by Fred Brooks in The Mythical Man-Month toThe conceptual integrity is one of the quality attributes which could be closely related to software architectural design. Based on the architecture, a software has been built. Developers have long struggled to coin a succinct, concise definition of software architecture because the scope is large and ever-changing. These components can include things like organizations, people, facilities, products and. The architecture of a software system is a metaphor, analogous to the architecture of a building. To negotiate system requirements, and to set expectations with customers, marketing, and management personnel. Software architecture allows for organization of the program components. • “The software architecture of a program or computing system is the structure or structures of the system, which comprise software elements, the externally visible properties of those elements, and the relationships among them. Conceptual integrity: a term introduced by Fred Brooks in his 1975 book The Mythical Man-Month to denote the idea that the architecture of a software system represents an overall vision of what it should do and how it should. Similarly to how the design of a product platform involves the problem of multi-criteria comparison (Meyer and Lehnerd Citation 1997), also platform-based ecosystems have multiple possible building blocks, for which the designers have to make compromises. Buy The Conceptual Integrity of Software: Using Ontological Excavation and Analysis Towards Ensuring Conceptual Integrity in the Design and Architecture of Computing Applications on Amazon. The purpose of the software system is to deliver value to stakeholders ( Ring, 1998 ). Layered Architecture Style. It gives the developer more code control and data-manipulative powers at the. Could be an actor, an actuator, a sensor. “The software architecture of a system is the set of structures needed to reason about the system, which comprise software elements,. --Fred Brooks, The Mythical Man-Month after 20 years This is a well-known and accepted cornerstone of software engineering. even without an assembler or any other software at all. 5. Let’s continue investigating Software Architecture. and composition views have to be resolved in additional views, that link the composition and decomposition elements in order to preserve the conceptual integrity of the architecture [3]. This role is particularly important in the early stages of a software. IEEE defines architectural design as “the process of defining a collection of hardware and software components and their interfaces to establish the framework for the development of a computer system. In the study, we explain the multi-view software architecture design step by step starting with identifying the system context, requirements, constraints, and quality expectations. 2. the software architecture using five concurrent views (4+1) model. Welcome to the Architectural Patterns and Styles MCQs Page. e no - tions of concepts as abstract a ordances and of conceptual integrity are discussed, and a series of small examples of conceptual models is given. I also repeatedly launched surveys on architecture among engineers and managers as part. Architecting is a skill that agile teams embody, which means that Architect should not be a role. or from a very small number of agreeing resonant minds b. Hard rules Suggestions Left open. 2. In its simplest form, architecture is the hierarchical structure of program components (modules), the manner in which these components interact and the structure of data that are. architectural framework which defines how instances of those classes interact. General Design Concepts. There is a no consensus on one single way or method in the wider software architecture community. 28. Ralph Johnson famously defined software architecture as “the important stuff (whatever. the way chosen to decompose software into its building blocks and to hold the pieces together. The Definition of Software ArchitectureSoftware architecture alludes to the overall diagramming structure of the software and the ways in which that structure provides conceptual integrity/correctness for a system. Brooks also suggested that Conceptual Integrity can be. But, what is conceptual integrity, how is it measured, and how is it achieved?Software Architecture Architecture serves as a blueprint for a system. Software design is a process of defining the architecture, components, interfaces, and other characteristics of a system or component and planning for a software solution. Thus it allows us to explore the system from its earliest conception through evolution. Software is not the only field where design is involved. Software architectures evaluation has an important role in the life cycle of software systems. HNA122, What Brooks’ idea of conceptual integrity does for the user? Select one: a. This includes the way components or modules are designed. “for free” or “magically”. Audience This tutorial is designed for all software professionals, architects, and senior system design engineers. Conceptual Integrity. Study with Quizlet and memorize flashcards containing terms like How can Software Architecture help in dividing work across multiple teams?, How can Software Architecture help managing the complexity of system development?, What are Drivers? and more. It is the quality of a system where all the concepts and their relationships with each other are consistently applied throughout the system. The. Unfortunately, we are truly terrible at creating conceptual integrity. Quality may be defined from different perspectives. Monument Valley game. This vision should be separated from its implementation. Integration with Legacy Systems: the architecture of the legacy system being integrated will influence the overall system’s architecture. The process view − It describes the activities of the system, captures the concurrency and synchronization aspects of the design. Preface. Ralph Johnson famously defined software architecture as “the important stuff (whatever. • The architecture is the structure of program modules where they interact with each other in a specialized way. CCS Concepts • Software and its engineering Software organization and properties Software system structures Software architectures. To understand why conceptual integrity is important just think of few components which are using their own naming and. This is usually a centralised team with the valid and well-meaning aim of ensuring that all software built. The conceptual integrity is one of the quality. Expert in software design, including diverse methods and approaches such as object. Their application leads to an increased degree of formality and to an improved degree of conceptual integrity of the design description. ADLs must support the architecture components, their connections, interfaces, and configurations which are the building block of architecture description. The term “conceptual integrity” was popularized in Ref. There he argued for the utmost importance of conceptual integrity for software system design. We take conceptual integrity to be a judgment about the concepts embodied in a design. It provides an abstraction to manage the system complexity and establish a communication and coordination mechanism among components. Pros. Systems architecture is the art and science of structured decision making that cultivates conceptual integrity. This includes the way components or modules are designed. • Structure provides conceptual integrity for a system in a number of ways. Conceptual Integrity. , quality attributes like security, performanceBased upon your individual practical experience and existing skills, you will learn to derive architecture decisions from system goals and requirements. Future-proofing your software and your. 3 – Information Hiding 1. In this module you will learn about coupling and cohesion, separation of concerns, information hiding, and conceptual integrity. ” SEI – Carnegie Mellon (Bass, Clements, Kazman. g. Want to learn Software Architecture? Look no further – the recently released iSAQB Foundation Curriculum covers all your needs! A group of international software architecture experts has been working on optimizing and streamlining this systematic education path, resulting in the most systematic and practical curriculum ever. Conceptual Architecture . Lean offers a solid conceptual framework, values and principles, as well as good practices, derived. Conceptually, architecture governance is an approach, a series of processes, a cultural orientation, and set of owned responsibilities that ensure the integrity and effectiveness of the organization's architectures. Software Architecture Business within time and budget Figure 1. Product conceptual integrity means uncompromised adherence of the whole and entire system to the one and only software architectural concept and the implementation design, - in each and every programming unit, body of code, object, and component, as well as in process of creating architecture and producing the software product. The conceptual integrity of software is a measure of how well it conforms to a single, simple set of design principles, according to The Mythical Man Month by Fred Brooks [citation needed]. Constructing something whole and actionable from abstract ideas requires creating conceptual integrity. Enforcing communication only between adjacent layers and within a layer is key to good, layered architecture. Additional design principles will help you to create code that is flexible, reusable, and maintainable. Principles (concepts) are the foundation for conceptual integrity. Brooks also suggested that Conceptual Integrity can be attained by means of design principles, such astasks are all part of the job description for an architect. unless we are supported by practices. A similar kind of conceptual integrity is required for the result of data integration to be cohesive and sensible. #1 – Architects Understand the Process of Building. (This is the Answer)) Software architecture allows for organization of the program components and the structure of data used within the components. According UC San Diego, conceptual integrity is the principle that anywhere you look in your system, you can tell that the design is part of the same overall design. Design Expertise. , threads, processes,These security requirements are related to the confidentiality, integrity, availability (CIA) triad, authentication, access control, maintainability, resilience, data security and data sharing, security. • Step 1: Identify Architecture Objectives. The solution architecture has features, properties, and characteristics which satisfy, as far as possible, the problem or opportunity expressed by. The contract helps to monitor architectural integrity, standards adherence, and risk avoidance in the solution implementation. Human input for building and validation of software architectures. The conceptual integrity of software is a measure of how well it conforms to a single, simple set of design principles, according to The Mythical Man Month by Fred Brooks. I'm heavily influenced by the work of Fred Brooks, and therefore started with the importance of conceptual integrity in system design and all that this entails. In particular, it is difficult to draw a sharp line between design and architecture -- architecture is one aspect of design that concentrates on some specific features. Software architecture provides conceptual integrity in achieving the software system’s purpose and arises from the necessity of delivering value to customers. During architecture reviews, they assess. . Good software architecture will yield a good return on investment with respect to the desired outcome of the project, e. Conceptual Integrity: Defines the consistency and coherence of the overall design. This characteristic is desirable for two reasons. In addition, I will show you why it is important for a developer to know a little bit about software architecture and a lot of software design. Conceptual Integrity Definition: the integrity of the overall structure that is composed from a number of small architectural structures. g. In simple English, define design standards, coding convention, and have the consistency while designing all components. g. Clayton Christensen defines a product in a way that focuses on how components interact, fit, and work together [ Christensen 2013 ]: "A product’s architecture determines its constituent components and sub-systems and defines how they must interact – fit and work together – in order to achieve the targeted functionality. Central to beauty is conceptual integrity—that is, a. The. A quality attribute scenario has six parts, shown in the schematic: Source of Stimulus: the entity generating the stimulus. Report a Bug. If the pattern is ignored or violated by some aspect of the system's implementation this is a violation of the architecture. The activity of designing is pervasive in software development. It is a set of architectural principles used to guide the development of the software system. An approach in evaluating software architecture is reasoning about the quality attributes a software architecture exhibits. What concept is followed by Conceptual integrity? (a) Architecture should do different things in different ways (b) Architecture should do different things in similar ways (c) Architecture should do similar things in similar ways (d) None of the mentioned I got this question in an online quiz. 1 Software Conceptual Analysis . A. Informal conceptual analysis, with the central notion of conceptual integrity in the context of software , has been developed initially by Brooks in his book ³7KH 0\WKLFDO 0DQ -0RQWK´ %URRNV ,W appears again in (Brooks, 2010), where conceptual integrity is said to consist of three principles: orthogonality. • It does stimulate re-thinking ownership of Responsibility: Delivery. QUALITY ATTRIBUTES SCENARIOS: •A quality attribute scenario is a quality-attribute-specific requirement that are requried to design a good Software Architecture. The following table lists the common quality attributes a software architecture must have − Category Quality Attribute Description Design Qualities Conceptual Integrity Defines the consistency and coherence of the overall design. Software Design Software design provides a design plan that describes the elements of a system, how they fit, and work together to fulfill the requirement of the system. The architecture should do similar things in similar ways. The conceptual integrity is one of the quality attributes which could be closely related to software architectural design. Along the way, they. Software Architecture is a blueprint of a software system that helps stakeholders to understand how the system would be once it is implemented c. • Abstraction - allows designers to focus on solving a problem without being concerned about irrelevant lower level details • Software Architecture - overall structure of the software components and the ways in which that structure provides conceptual integrity for a system o Structural models - architecture as organized collection of components o Framework models - attempt to identify. Software design is a process of defining the architecture, components, interfaces, and other characteristics of a system or component and planning for a software solution. A software system’s architecture is the set of principal design decisions made about the system. The representation of software architecture allows the communication between all stakeholder and the developer. Conceptual Integrity is the most important consideration for software system design, as stated by Frederick Brooks. Conceptual integrity, cohesion, abstract data type, coupling, information hiding, rule of least astonishment, and more. Brooks also suggested that Conceptual Integrity can be. 2. E. There is a tradeoff here: conceptual integrity can introduce extra layers or generalize interfaces, and implementers may begin to erode the conceptual integrity. The goal is to ensure that your software is flexible, extensible, and can evolve as new requirements emerge. In that sense, our de nition is descriptive and not prescriptive, albeit indirectly. After the purpose and specifications of software is determined, software developers will design or employ designers to develop a plan for a solution. 1 Software Conceptual Analysis . Here, we provide a primer on the key concepts to understand for a modern network security architecture. In current prac-tice, software engineers and architects often break un-awarely the conceptual integrity of the architecture. A software architecture, or only an architectural view, may have an attribute called architectural style, which reduces the set of possible forms to choose from, and imposes a certain degree of uniformity to the architecture. Larger teams will confuse the solution strategy c. It’s often used for traditional web applications and enterprise applications. Software architecture alludes to the overall diagramming structure of the software and the ways in which that structure provides conceptual integrity/correctness for a system. Lean software development: applying agile principles to your organization. Conceptual Integrity: Defines the consistency and coherence of the overall design. Domain Drive Design Europe • NewCrafts Paris • Codecamp_Festival • Global Software Architecture Summit. 2. Defining software architecture as a set of architectural design decisions is a step forward in solving the aforemen-tioned problems. It is imperative to think through software architecture for effective development methodically. It is the general conceptual design that informs the development and maintenance of software and defines what it can —. There are attributes of Software Architecture that one could call either good or not so good. Man Month from Fred Brooks is that conceptual integrity is the most important consideration in system design, and that conceptual integrity will only be achieved if the design comes from one,. g. Which of the following are the main aspects for the qualities of architecture? a) Conceptual Integrity b) Buildability c) Correctness and Completeness d) All of the mentioned. The. It can be achieved by a single builder, or a pair. Architecture as a set of Design Decisions. what is software architecture ? Software architecture is the higher level structure of a system, i. Numerical and operational constraints in the system help to follow the conceptual integrity in the system. What is Conceptual Integrity? In the field of software design, there is little agreement to be. When you first power on the device, all software starts automatically. Software Architecture helps Stakeholders understand and reason about without getting lost into a sea of details. Subscribe 7 648 views 3 years ago Software design and architecture Software Architecture Qualities ! Conceptual integrity, Buildability, Correctness and. Software architecture choices include specific structural options from possibilities in the design of the software. Ex-plicit design decisions help in creating the necessarySoftware Design. when all the pieces come together, the whole is. Home. Software Architecture is a description at a higher level of abstraction than. Conceptual Architecture . The purpose of system architecture architecture activities is to define a comprehensive solution based on principles, concepts, and properties logically related to and consistent with each other. At the. -A viewpoint defines the modeling and analysis techniques and conventions used to create a view that describes the concerns addressedSoftware Architecture courses Brooks law: Humor: Etc: In 1975, FredBrooks said: I will contend that Conceptual Integrity is the most important consideration in system design. For making the security architecture important, there are certain components that are involved in the design. The concepts, notions, and terminology introduced here form an underlying basis for understanding the role and scope of software design. "Knowing the concepts and integrity helps to make the architecture powerful in its own ways. We would like to show you a description here but the site won’t allow us. ADLs must support the architecture. Software architecture is the fundamental structure of a software system and the discipline of creating such structures and systems. Silver. Software detailed design: describing each component sufficiently to allow for its construction. Agile software development is an approach first codified in the Agile Manifesto in 2001. 4. The term “conceptual integrity” was popularized in Ref. Coupling and Cohesion 1. in terms of performance, quality, schedule and cost. By the end of this tutorial, the readers will develop a sound understanding of the concepts of software architecture and design concepts and will be in a position to choose and follow the right model for a given software project. We essentially agree with Brooks’ qualitative statement, and claim that its formalization in mathematical. Here a nice quote from Martin Fowler's book "Patterns of enterprise application architecture":Architecture is a term that lots of people try to. Fig. Building Evolutionary Architectures by Neal Ford, Rebecca Parsons, Patrick Kua. A system is said to be secure if its. An Iterative Elaboration of Software Architecture: If we go back to 1992, we already see one of the narrative threads that have shaped our conceptualization of, and discourse around, software architecture, architects, and architecting:. Concepts of software design. Central to beauty is conceptual integrity—that is, a. Brooks also suggested that Conceptual Integrity can be attained by. architecture is a conceptual model with a low level of abstraction, being oriented towards the design and development of real-time applications for the IIoT . In current prac. (True Answer)) Software architecture allows for organization of the program components and the structure of data used within the components. These stakeholders all have their own concerns with respect to the system. Introduction. 1-Tier Architecture. • Apply design guidelines for modularity, separation of concerns, information hiding, and conceptual integrity to create a flexible, reusable. Brooks also suggested that Conceptual Integrity can be attained by means of design principles, such as Propriety, and Orthogonality. 5. , 1995Neighbourhood cohesion is a concept describing the residents’ sense of community, engagement in acts of neighbouring, and attractiveness of living in the neighbourhood. He is co-author of Applied Software Architecture and Documenting Software Architectures: Views and Beyond. da29f8f4a4Software architecture Unit 1 notes - Download as a PDF or view online for free Submit Search. Reasoning about the architecture and analyzing the architecture can provide the insights necessary to make decisions about anticipated changes. A. txt) or read online for free. It consists of “6” parts like, Source of Stimulus: This is some entity (a human, a computer system, or any other actuator) that generated the stimulus. The physical view − It describes the mapping of software onto hardware and reflects its distributed aspect. 1. . Dive deep into the fascinating world of Architectural Patterns and Styles with our comprehensive set of Multiple-Choice Questions (MCQs). Conceptual Integrity is the most important consideration for software system design, as stated by Frederick Brooks. By the end of this tutorial, the readers will develop a sound understanding of the concepts of software architecture and design concepts and will be in a position to choose and follow the right model for a given software project. •. This simple fact hampers the communication of vision. Platform architecture. Security architecture is a framework for determining how your company's security controls and countermeasures fit into the broader system structure. 1 What Makes a Good Object Oriented Design? At the Software Engineering Institute, we are regularly asked to assess the design of large. e no - tions of concepts as abstract a ordances and of conceptual integrity are discussed, and a series of small examples of conceptual models is given. Software Architecture - A set of high-level decisions that determine the structure of the software solution. Clear objectives help you to focus on your architecture and on solving the right problems in your design. In this architecture, the database is directly available to the user. existing software. Compromised conceptual"conceptual integrity" [2]. NIST Special Publication 800-207 [1] provides a conceptual framework for zero trust. 110K Students Enrolled. These slides are designed to accompany Software Engineering: A Practitioner’s Approach, 7/e (McGraw-Hill, 2009) Slides copyright 2009 by Roger Pressman. The conceptual integrity of architecture ensures that a system is not modified to support functionality outside the one it was initially designed to provide. This modular Junos OS architecture provides a high level of performance, high availability, security, and device scalability not found in other operating systems. Computer security, cyber security, digital security or information technology security ( IT security) is the protection. Conceptual integrity: this term is coined to show an overall vision of what software should do and how to do it. Software Architecture describes system components and their connections. What is meant by functionality and architecture? (M AY/JUNE 2016) Functionality: It is the ability of the system to do the work for which it was intended. Software design provides a design plan that describes the elements of a system, how they fit, and work together to fulfill the requirement of the system. architectural framework which defines how instances of those classes interact. The objectives of having a design plan are as follows −. Since 2000’s the term ‘cohesion’ has also been used in geography and in spatial policy to represent the distribution of functions and opportunities in space. 3. txt) or read online for free. It is the underlying theme or vision that unifies all levels of the system's. Are applicable to ensuring that security requirements are addressed in subsequent phases of the ADM. Most. There is a considerable. Our approach to Conceptual Architecture in the Visual Architecting Process (VAP) has a long history, with roots in software architecture work we did at HP in the 1990's. It is a notation specification which provides features for modeling a software system’s conceptual architecture, distinguished from the system’s implementation. To place the field of Software Architecture into. Quality Attribute specific requirement consists of 6 parts. It can totally be used as an architecture design software. Software architecture alludes to the overall structure of the software and the ways in which that structure provides conceptual integrity for a system. INTRODUCTION Software architecture is a very important step in the software life cycle [1]. Many data-architecture leaders have pivoted from a central enterprise data lake toward “domain-driven” designs that can be. But more recently, he agreed that "Conceptual integrity is the vital property of a software product. This tension exists betweenHow comparison of building architecture and software architecture reveals the differences, congruences, and commonalities between the two. Architecture governance is a way to keep Conceptual Integrity. Conceptual integrity is of the essence in system development in that what lacks conceptual integrity cannot be easily perceived as a coherent system. Erder and P. Conceptual Integrity: A term introduced by. In his famous book, The Mythical Man-Month, Frederick Brooks contends that conceptual integrity is the most significant consideration in system design. Software architecture constrains its allocation to structure when other quality attributes areacdc14102453dff6a3a582f123da29f8f4a4 - Free download as PDF File (. CorelCAD. In some ways, the architecture of a system is largely irrelevant to its end users. It is a notation specification which provides features for modeling a software system’s conceptual architecture, distinguished from9. ” [SHA95a] Structural properties. g. It has gain growing interest due to reusability of existing modules with less. Database systems can be centralized, or client. Business quality goals (e. The architecture includes the main components, their main attributes,. The model assigns a set of properties for each component, which will then define the data relationships. It will also show conceptual integrity in the architecture, which, while not measurable, leads to smooth development. Conceptual Design of So ware: A Research Agenda Daniel Jackson, MIT Abstract A research agenda in so ware design is outlined, focusing on the role of concepts . Phase 1: The conceptual model. It is the underlying theme or vision that unifies all levels of the system's. The term “data lake” was coined by the Chief Technology Officer of Pentaho, James Dixon, to. Software Architecture. For a computer this is the. Software Architecture - It refers to the overall structure of the software and the ways in which that structure provides conceptual integrity for a system. Software Architecture - It refers to the overall structure of the software and the ways in which that structure provides conceptual integrity for a system. They are: Architectural Design: The architecture of a system can be viewed as the overall structure of the system & the way in which structure provides conceptual integrity of the system. Software architecture provides conceptual integrity in achieving the software system’s purpose and arises from the necessity of delivering value to customers. So metimes different design approaches try to achieve similar objectives. The architecture should do similar things in similar ways. · Conceptual integrity is the underlying theme or vision that unifies the design of the system at all levels. View Software Design and Architecture_lab_weeklybreakup. In software, Conceptual Integrity increases maintainability, while decreasing build effort. 16. A good estimation is very much essential for keeping a project under budget. 1 What Makes a Good Object Oriented Design?Software Architecture & Design Introduction . Key Architectural Decisions - system decomposition - cross-cutting concerns - conceptual integrity. Informal conceptual analysis, with the central notion of conceptual integrity in the context of software , has been developed initially by Brooks in his book ³7KH 0WKLFDO 0DQ -0RQWK´ %URRNV ,W appears again in (Brooks, 2010), where conceptual integrity is said to consist of three principles: orthogonality. The process of creating a database schema is called data modeling. A complete product or system is created and constructed around it. g. However, the lack of formalization for Conceptual Integrity posed serious obstacles for its systematic application in practice and deeper understanding of the ideas. While not comprehensive to all information technology this conceptual framework can be used as a tool to understand and develop a ZTA for an enterprise. This v. Software architecture is a key discipline in software engineering as it performs a central role in many modern software development paradigms. The Software Engineering Institure maintains a collection of further definitions. Also known as POSA-1. additional indirect objectives can lead to confidentiality and integrity of the. Codd proposed the relational Model to model data in the form of relations or tables. conceptual integrity is one of the quality attributes which could be closely related to software architectural design. In that sense, our de nition is descriptive and not prescriptive, albeit indirectly. Software architecture is the process of determining programs and how to create the programs. d. At the highest level of ______________ a solution is stated in broad terms using the language of the problem environment. In its simplest form, architecture is the hierarchical structure of program components (modules), the manner in which these components interact and the structure of data that are. Software Architecture. Generally speaking, a secure SDLC involves integrating security testing and other activities into an existing development process. Perhaps you studied it at some point at college but your memory of it. Conceptual Software Design is of utmost importance for software development due to its focus on the Conceptual Integrity of software systems. AN ARCHITECT OR AN ARCHITECTURE TEAM In his wonderful book The Mythical Man-Month, Fred Brooks wrote that a challenging project must have one architect and only one. Common Quality Attributes The following table lists the common quality attributes a software architecture must have – Category Quality Attribute Description Design Qualities Conceptual Integrity Defines the consistency and coherence of the overall design. In the Software Design and Architecture Specialization, you will learn how to apply design principles, patterns, and architectures to create reusable and flexible software. and computer/software architectural principles — doing right things,. Because ease of use is the purpose, this ratio of function to conceptual complexity is the ultimate test of system design. The objectives of having a design plan are as follows −. Computer security. What is trulyClearly, software architecture and building architecture have many things in common, at least in. The components are people, process and the tools. 1. prevent the. Conceptual Integrity Outside Software Systems This paper refers to Architecture of buildings in general, following Brooks’ metaphors used in his books to illustrateCarriere [32] reconstructed given software systems’ architecture using conceptual integrity as a guideline. Main motive of data management is to manage and safeguard the people’s and organization data in an optimal way so that they can easily create, access, delete,. However, having a clean internal structure is essential to. The user did. Like many in the software world, I’ve long. The architecture of a database system is very much influenced by the primary computer system on which the database system runs. Conceptual. pdf), Text File (. A software system’s architecture is the set of principal design decisions made about the system. event sequences) • Guarding the conceptual integrity of the software ar-chitecture. in terms of performance, quality, schedule and cost. The design phase is where the requirements identified in the previous phase are used as the basis to develop the new system. SOFTWARE ARCHITECTURE TWO MARK WITH ANSWER 2013 REGULATION - Free download as PDF File (. This was a statement of core values that became associated with a set of principles and practices.