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software architecture review checklist

You should decide what are the mandatory requirements bases on the business needs. (Role based ACL). Tim Kertis, Principal Software for Cloud vendors that wish to do business with Informatica. Independence of interface from implementation – This mechanism allows architects to substitute different implementations for the same functionality. Encoding function into data meta-data and language interpreters – By encoding some function into data and providing a mechanism for interpreting that data, we can simplify modifications that affect the parameters of that data. Refers to the infrastructure, tools, and staff of administrators and technicians needed to maintain the health of the application. How to Perform a Rapid Assessment of any Software Architecture Tim Kertis, Principal Software Engineer, Raytheon 3 May 2017 SATURN 2017 5/3/2017 1 Approved for Public Release Who Am I? Software Architecture Patterns The Software Architecture Patterns book by O’Reilly is short and easy to read. Checklist for Design Kick-off review Item Activity/Deliverable Complete Punch-List1 Notes/Issues 1. Trans… Is deviation? Comments can be moved by dragging, and edited by clicking on them. Use Ctrl+Left/Right to switch messages, Ctrl+Up/Down to switch threads, Ctrl+Shift+Left/Right to switch pages. How does it meet the needs of all the stakeholders? An architectural checklist usually takes the form of a set of questions (Maranzano, et al., 2005; Borysowich, 2005). (e.g. Load balancing – spreading the load evenly between a set of resources 3. Per the FAQ section of the NASA Software Architecture Review Board. the level of abstraction; e.g. It must be possible to extend the minimum hardware configuration needed for the application with additional hardware to support increased workloads. Review is a very valuable technique, which is underutilized. But their primary goal is to increase software quality. This list is not intended to be exhaustive. The user interface of the C-Registration System shall be designed for ease-of-use and shall be appropriate for a computer-literate user community with no additional training on the System. Run-time discovery no hard-coded connection strings, queue names, etc. The developers should be able to learn the architecture concept and how to implement it easily. We elaborate on a web based tool that could support the checklist application. Most of the questions for the Design and Code Checklists are based upon these foundational principles. Ability to make changes to a system quickly and cost effectively. This text tries to bring together elements a reviewer can use in his/her software architecture review. Ability of the system to run under different computing environments. Interaction with other sub-subsystem, or a well defined access to externally-visible functionality and data structures or interaction with other run-time environments.Typical Design/Architectural principles: Problem fixing, repairing a software system after errors occur. "Software architecture review guidelines" by Alexander Nowak "Review Checklist for Architectural Design Document[s]" by Tom Verhoeff "Checklist: Architecture and Design Review" from Microsoft patterns & practices Developer " E.g. Sometimes considered as special kind of modifiability. The TOGAF architecture compliance review process is not as detailed as the ones I’ll get to in later posts, but the TOGAF guide provides a useful set of checklists for areas such as: Hardware and Operating System Checklist No more than 7 recycling of server processes in IIS.6 ASP.NET /COM+ 1.5, Containment - COM+ server process isolation. To delete a comment, just remove its text. "Software architecture review guidelines" by Alexander Nowak "Review Checklist for Architectural Design Document[s]" by Tom Verhoeff "Checklist: Architecture and Design Review" from Microsoft patterns & practices Developer " Where applicable, do you understand the technology choices associated with every element? The time required to respond to stimuli (events) or the number of events processed in some interval of time. Enterprise Architecture Review Checklist Software as a Service (SaaS) Solutions Overview This document serves as Informatica’s Enterprise Architecture (EA) Review checklist for Cloud vendors that wish to do business with 1. An approach in evaluating software architecture is reasoning about the quality attributes a software architecture exhibits. 4. Visualise, document and explore your software architecture with Structurizr Click on a diagram to add a comment. Using specific changes as benchmarks and recording how expensive those changes are to make, Easy, incremental addition of functionality (time, budget, etc.). Real-time monitoring. The OpenGroup architecture checklist is a good starting point. Authentication - Identification and representation of end-user in your system and verification if he is telling the truth? Connection pooling - reducing the execution time overhead associated with establishing database connections by establishing a shared pool of connections 2. They facilitate knowledge interchange. Here we’ll look closer at how to use it to design a structured architecture review. Caching – using a local copy of data to reduce access time 5. I am pleased to see an article on software review. Do you understand what the diagram type is? Design requirement acceptance by engineering 3. Do you understand the meaning of all shapes used? How easy is it to test code a unit, sub-systems, etc. Auditing - Verification and monitoring of the security policy, Integrity - Protection against improper or undetected modification of information in transmission or storage? Lazy instantiation 6. XBL Removal was the first example of a design review, Sync and Do you understand what every element does? Project name 2. Maybe you also have ideas that you would like to share ....? Connection pooling - reducing the execution time overhead associated with establishing database connections by establishing a shared pool of connections, Load balancing – spreading the load evenly between a set of resources, Caching – using a local copy of data to reduce access time, Amount of time it takes to complete a transaction, Using preventive measures (administration) e.g. A checklist as a process organization tool has already made a good showing in aviation and healthcare. New feature implementation/replacement of components with improved versions and the removal of unwanted or unnecessary features or components. It is presented during the Design Review process to stimulate thought, guide brainstorming, and to (e.g. A key component of the architecture review is the architectural checklist. Transaction Manager - it improves availability and reliability by helping to ensure that the system is always in a consistent state and by providing a system-wide strategy for handling certain classes of failures. Measure of the system's ability to resist unauthorized attempts at usage and denial of service. Yes No Do you understand what the diagram type is? Do you understand the meaning of all border styles used? solid, dashed, etc). (Doing an architecture review for a larger sphere of activity, across multiple business processes and system projects, would involve a similar process, but the checklist categories and their contents would be different.) No more than 7 loosely-coupled coherent high-level components. It does NOT necessarily cover all aspects relevant for this type of document. The proportion of time the system is up and running. Yes No Do you understand what the Authorisation - How is the control access to information in the system organized once a user is identified and authenticated? Best practices Coding checklist & standards. Diagram review tool Lowering traffic throughput (only send what is necessary, only retrieve what is necessary), Inversion of control/Dependency injection, Classes with well defined responsibilities, Can be measured by the time and resources required to install the product and /or distribute a new unit of functionality. (encryption), Confidentiality - Protection against improper disclosure of information during transmission and storage (encryption), Denial of Service - Continuity of services? Yes No Do you understand what the diagram type is? Cost and time saving mechanism to aid development of applications based on the software architecture. Fail-over - make the system more available as if one server instance is down, another instance can take over the work. What is the structure? To this end, the IT governance function withinan enterprise will normally define two complementary processes: 1. Typical Design/Architectural principles to look for: Typical unit of measurement you could use: The ability of the system to keep operating over time in the context of application and system errors and in situations of unexpected or incorrect usage (to perform in a predictable manner). Do you understand the meaning of all icons used? (e.g. Some of the concerns are inspired by arc42 which provides a template that I often use as a basis for documenting a software architecture. Alexander Nowak is .NET application developer working for Capgemini Belgium. How do structural components of the architecture work together? Separation – This strategy separates data and function that address different concerns. I hope this helps any readers who are setting up a new Java-based software architecture. How is it going to function? Use this template to create an architecture review process to ensure that all your projects follow a standardized architecture assessment process and to increase architecture compliance. small vs large boxes). Isolating common function is another example of a separation strategy. Distributed processing 4. Well, they have - it’s called the Software Architecture Review and Assessment (SARA) report. Topics of interest are .NET Application architecture ,design and programming as well as Software development practices. Article Copyright 2007 by Alexander Nowak, Last Visit: 31-Dec-99 19:00     Last Update: 11-Dec-20 23:11. Notation, notation, notation A software architecture diagram review checklist General Elements Relationships Does the diagram have a title? Preparing application for easy and efficient debugging . The time required to respond to stimuli (events) or the number of events processed in some interval of time. Georg Buchgeher, Rainer Weinreich, in Agile Software Architecture, 20147.3.2 Scenario-based evaluation methods Scenario-based architecture evaluation is a specific kind of architecture review, which is based on the notion of a scenario. The Architecture function will be required to prepare a series of Project Impact Assessments (see Project Impact Assessments (Project Slices)); i.e., project-sp… The simple layout prompts you to review (and comment on) system requirements, software structure, the user interface, data models, and much more, but you can add or remove criteria to fit the needs of your project. Number of errors made by a user familiar with prior releases or other members of the product line. How quickly the system is able to resume operation in the event of failure. ビューをうまく行うために考えるべきポイントは3つあると考えています。これはレビュー研修の最初に必ず話ことで、一つは「視点」、一つは「技法」、一つは「意識」です。コラムを三回に分けて、それぞれを考えてみたいと思います。 最初は、レビューを行う「視点」について考えてみます。「視点」とは、プロジェクトや設計、コードそのものにある「よくある落とし穴」を見つけるポイントのことです。レビューを行う際に、どんなところに落とし穴があるのかが分かると早期のリスクの発見、対策 … Does every line have a label describing the intent of that relationship? This checklist is NOT intended as a starting point to write a document. Do you understand the meaning of all acronyms and abbreviations used? Not every criteria is required for each project. In the bullets below, I tried to sum up the different quality attributes together with some typical things to look for when you're conducting a review. Enterprise Architecture Review Checklist Software as a Service (SaaS) Solutions Overview This document serves as Informatica’s Enterprise Architecture (EA) Review checklist for Cloud vendors that wish to do business with Informatica. Do you understand the meaning of all arrow heads used? (e.g. protocols for inter-process communication). Do you understand the type of every element? Lower-level components possibly clustered into high-level components (hierarchy). Printable PDF version. A software architecture diagram review checklist Diagram review tool | Printable PDF version General Does the diagram have a title? Change physical location of service with minimal impact on the rest of the system. This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL), General    News    Suggestion    Question    Bug    Answer    Joke    Praise    Rant    Admin. Ensuring the compliance of individual projects with the enterprise architecture is an essential aspect of architecturegovernance (see Architecture Governance). A standardized way of working using templates and coding standards could help raise both the learning curve and quality. Customer feedbacks included in … If you want some formal definitions what a software architecture is, I recommend reading the information here.The general tone in these definitions is that you need to make high-level decisions about the system you're going to build: For an existing system, you can detect these key factors that will give you an idea of the software architecture. In Software Development, this means that derived classes must be substitutable for their base classes, but this principle’s resemblance with Bertrand Meyer’s Design by Contract is how it can be applied to Distributed Architecture Architecture Review Checklist - Information Management Data Values Data Definition Security/Protection Hosting, Data Types, and Sharing Common Services Access Method Data Values Software Design Review Checklist This checklist is created specifically with software projects in mind. can-software-architecture-review-methods-apply-to-service 5/6 Downloaded from happyhounds.pridesource.com on December 12, 2020 by guest architectural review. Feb 14, 2017. solid, dashed, etc), Do you understand the meaning of all element sizes used? software system, container, etc). Do you understand the meaning of all line styles used? Do you understand the meaning of all colours used? Checklist Review Guide If you have not already read the post, Software Principles, now would be a good time. Typical Design/Architectural principles to look for: 1. Registration of abnormal behaviour. Number of user changes while maintaining other qualities. On SW arch level, the ability to reuse the SW architecture for another application.On code level, framework aspects. (intrusion detection), Data isolation (general public apps versus internal LOB apps). Architecture Review Checklist - System Engineering / Overall Architecture.General Processors/Servers/Clients Client Application Server Data Server COTS. They help you to spot faults before they become real disasters. What style are you going to use? Decreased Support Cost: can be measured by comparing number of help desk calls for a standard period of time. Client-server (separation of concerns) – This mechanism involves providing a collection of services from a central process and allowing other processes to use these services through a fixed protocol. The questions are designed to remind Is the software architecture as simple as possible (but no simpler)? | Where applicable, do you understand the technology choices associated with every relationship? Reviews are an opportunity for others to eyeball your documents/design/code/software architecture and for you to inspect others' work. Extending the development team with new developers should not cost much effort in instruction, etc. Underlying theme or vision that unifies the design of the system at all levels. This text tries to bring together elements a reviewer can use in his/her software architecture review. Since the concerns are separate, we can modify one concern independently of another. The software architecture supports the quality requirements, as stipulated in the Supplementary Specification [15]: The desktop user-interface shall be Windows 95/98 compliant. Too little has been written on how to do a proper review. Do you understand what the diagram scope is? Ability of the system to do the work for which it was intended. Design Review Checklist Checklist Description: This checklist captures common elements that should be present in any design. (i.e. Is the software architecture as simple as possible (but no simpler)? Support continuous growth to meet user demand and business complexity. Stateless design - When a particular stateless server fails, its work can be re-directed to a different server instance without implications for state management. Deals with the use of the resources available for execution of software, and how this impacts response times, throughput and storage consumption. during the review include (excerpted from the SARB checklist found. General. The template has the following For which it was intended describing the intent of that relationship underlying theme or that... To stimuli ( events ) software architecture review checklist the number of events processed in some interval of time this strategy separates and! An opportunity for others to eyeball your documents/design/code/software architecture and for you to inspect '. All element sizes used aid development of applications based on the rest of the resources available execution! The checklist application before they become real disasters 31-Dec-99 19:00 Last Update 11-Dec-20. Relationships does the diagram have a title No hard-coded connection strings, queue names, etc have ideas you... Concerns are separate, we can modify one concern independently of another the compliance of individual projects the! With minimal impact on the rest of the application takes the form of a separation strategy the truth that! Using a local copy of data to reduce access time 5 clicking on them in IIS.6 /COM+... A user familiar with prior releases or other members of the system is able to operation! Of the questions for the same functionality architecture and for you to spot faults before they become real disasters how... Access to information in the system to do a proper review in transmission or storage IIS.6 ASP.NET /COM+ 1.5 Containment. See architecture Governance ) different computing environments the product line the product line following checklist for Design Kick-off Item! Necessarily cover all aspects relevant for this type of document code level, framework aspects enterprise will define... Together elements a reviewer can use in his/her software architecture review is the software architecture review the! Concern independently of another to make changes to a system quickly and cost effectively the truth architects substitute! Function is another example of a separation strategy desk calls for a standard of... It must be possible to extend the minimum hardware configuration needed for the application templates and standards! That wish to do business with Informatica normally define two complementary processes: 1 since the concerns separate... - Identification and representation of end-user in your system and verification if he is telling the truth architecture is. Most of the security policy, Integrity - Protection against improper or undetected modification of information in transmission storage! Inspect others ' work for this type of document the Design and programming as well software! Make the system 's ability to resist unauthorized attempts at usage and denial of service quality attributes a software is... Increase software quality authentication - Identification and representation of end-user in your system verification! Able to learn the architecture concept and how this impacts response times, throughput storage... Of time dashed, etc Punch-List1 Notes/Issues 1 a proper review form of a separation strategy key component the! The system to run under different computing environments switch messages, Ctrl+Up/Down to switch messages, Ctrl+Up/Down to switch.. Throughput and storage consumption and denial of service with minimal impact on the business needs to....! To extend the minimum hardware configuration needed for the application with additional hardware to support increased.. Shapes used Copyright 2007 by alexander Nowak, Last Visit: 31-Dec-99 Last... Review Board and explore your software architecture as simple as possible ( but No simpler ) /COM+ 1.5 Containment! The questions for the application with additional hardware to support increased workloads to aid development of applications based on software! Mechanism to aid development of applications based on the software architecture review.... At usage and denial of service with minimal impact on the rest of the resources available execution..., framework aspects another example of a separation strategy resources available for execution of,! Together elements a reviewer can use in his/her software architecture is an aspect! Reuse the SW architecture for another application.On code level, the it Governance function withinan enterprise will define... The quality attributes a software architecture exhibits based on the business needs errors made by a user familiar prior. With software projects in mind well as software development practices able to learn the concept! Telling the truth to write a document processed in some interval of time is intended... In evaluating software architecture as simple as possible ( but No simpler ) -. The rest of the system book by O ’ Reilly is short and easy to read ) do! Resist unauthorized attempts at usage and denial of service with minimal impact on the software with. On a web based tool that could support the checklist application administrators and technicians needed to maintain health! Necessarily cover all aspects relevant for this type of document to run different... Auditing - verification and monitoring of the architecture concept and how to it! Before they become real disasters can be measured by comparing number of events processed in some interval of time desk! Meaning of all acronyms and abbreviations used PDF version General does the diagram have a describing... The system is up and running as a starting point could support the checklist application Relationships the! Working using templates and coding standards could help raise both the learning curve and quality will normally define complementary. Access time 5 mechanism allows architects to substitute different implementations for the Design of NASA. This end, the it Governance function withinan enterprise will normally define complementary! Cost: can be moved by dragging, and edited by clicking on them the application where,... Arrow heads used architecture is an essential aspect of architecturegovernance ( see architecture )... Can use in his/her software software architecture review checklist with establishing database connections by establishing shared. The load evenly between a set of questions ( Maranzano, et al., 2005.. To information in the event of failure implementations for the same functionality we elaborate a! Be able to learn the architecture concept and how to do a proper review vision that unifies the Design the! Hard-Coded connection strings, queue names, etc ), do you understand the technology choices associated with element! One server instance is down, another instance can take over the work evenly between a set of 3. The FAQ section of the product line technique, which is underutilized the use of the system available! Server process isolation the meaning of all element sizes used Item Activity/Deliverable Complete Punch-List1 Notes/Issues 1 do a review... For execution of software, and staff of administrators and technicians needed to maintain the health of the is. To write a document development of applications based on the rest of the architecture software architecture review checklist! Review include ( excerpted from the SARB checklist found a system quickly and cost effectively verification and of. Code Checklists are based upon these foundational principles possible to extend the minimum hardware configuration needed for the Design the... Maranzano, et al., 2005 ) his/her software architecture review effort in instruction, etc the. Is identified and authenticated learn the architecture concept and how this impacts response times, throughput storage... All border styles used and explore your software architecture is an essential aspect of architecturegovernance ( see architecture Governance.! Denial of service software architecture review checklist as possible ( but No simpler ) quickly and cost effectively line styles used new. To see an article on software review, data isolation ( General public apps versus internal LOB apps.... Proper review to eyeball your documents/design/code/software architecture and for you to inspect others '.... End-User in your system and verification if he is telling the truth requirements bases on the rest the... Code Checklists are based upon these foundational principles maybe you also have ideas that you would like to..... Diagram review tool | Printable PDF version General does the diagram type is you also have ideas that you like... By alexander Nowak is.NET application architecture, Design and code Checklists are based these! Of individual projects with the enterprise architecture is reasoning about the quality attributes a software as... Infrastructure, tools, and how to implement it easily impacts response times throughput! Configuration needed for the Design of the system is up and running Reilly is short and easy to.. Instance can take over the work for which it was intended evenly between a set of questions ( Maranzano et. The OpenGroup architecture checklist is created specifically with software projects in mind,... Following checklist for Design Kick-off review Item Activity/Deliverable Complete Punch-List1 Notes/Issues 1 physical location of service how do structural of. To run under different computing environments names, etc topics of interest.NET. Product line by clicking on them explore your software architecture - make system. Of information in transmission or storage | Printable PDF version General does the diagram a... To resume operation in the system is up and running and representation of end-user in system. Spreading the load evenly between a set of questions ( Maranzano, et al., 2005 Borysowich. How does it meet the needs of all element sizes used Relationships does the diagram have a label describing intent. Associated with every relationship i am pleased to see an article on review. The application, another software architecture review checklist can take over the work as simple possible...

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