http://www.sei.cmu.edu/feeds/topic/Updates on changes and additions to the SEI Blog for posts matching Software Architectureen-usMon, 19 Aug 2024 00:00:00 -0400https://www.sei.cmu.edu/blog/building-quality-software-4-engineering-centric-techniques/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesWhy is it easier to verify the function of a software program rather than its qualities? This post outlines 4 engineering-centric techniques to creating quality software.Alejandro GomezMon, 19 Aug 2024 00:00:00 -0400https://www.sei.cmu.edu/blog/building-quality-software-4-engineering-centric-techniques/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/the-osate-slicer-fast-reachability-query-support-for-architectural-models/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesOur post introduces the OSATE Slicer, a new extension to the Open Source AADL Tool Environment that adapts a concept called slicing to architectural models of embedded, critical systems.Sam ProcterMon, 13 Nov 2023 00:00:00 -0500https://www.sei.cmu.edu/blog/the-osate-slicer-fast-reachability-query-support-for-architectural-models/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/how-to-use-docker-and-ns-3-to-create-realistic-network-simulations/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis post provides a tutorial with code samples on using Docker and NS-3 to Create Realistic Network Simulations.Alejandro GomezMon, 27 Mar 2023 00:00:00 -0400https://www.sei.cmu.edu/blog/how-to-use-docker-and-ns-3-to-create-realistic-network-simulations/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/software-isolation-why-it-matters-to-software-evolution-and-why-everybody-puts-it-off/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis SEI Blog post discusses the practice of software isolation, which is one of the steps in large-scale refactoring efforts that most software development organizations go through.Mario BenitezMon, 20 Mar 2023 00:00:00 -0400https://www.sei.cmu.edu/blog/software-isolation-why-it-matters-to-software-evolution-and-why-everybody-puts-it-off/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware Architecturehttps://www.sei.cmu.edu/blog/experiences-documenting-and-remediating-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis SEI Blog post provides examples of enterprise technical debt and the risk it represents taken from real-world projects.Stephany BellomoMon, 19 Dec 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/experiences-documenting-and-remediating-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesTechnical Debthttps://www.sei.cmu.edu/blog/what-is-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis post provides examples of enterprise technical debt, and the risk it represents, taken from real-world projects on which SEI researchers served as architecture evaluators.Stephany BellomoMon, 05 Dec 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/what-is-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/modeling-capabilities-with-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis post examines the role of capabilities in systems engineering—their purpose, how they are modeled and analyzed using MBSE and SysML, and how they can be associated with business requirements.Nataliya ShevchenkoMon, 28 Nov 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/modeling-capabilities-with-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesModel-Based Systems Engineeringhttps://www.sei.cmu.edu/blog/tactics-and-patterns-for-software-robustness/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesRobustness, along with other quality attributes, such as security and safety, is a key contributor to our trust that a system will perform in a reliable manner.Rick KazmanMon, 25 Jul 2022 00:00:00 -0400https://www.sei.cmu.edu/blog/tactics-and-patterns-for-software-robustness/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/a-model-based-tool-to-assist-in-the-design-of-safety-critical-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThe design of critical systems—those used in aircraft, medical devices, etc.—is becoming increasingly challenging as they increase in sophistication and complexity.Sam ProcterMon, 07 Mar 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/a-model-based-tool-to-assist-in-the-design-of-safety-critical-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/two-categories-of-architecture-patterns-for-deployability/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis post, excerpted from the fourth edition of Software Architecture in Practice, discusses deployability and describes two categories of associated architecture patterns.Rick KazmanMon, 14 Feb 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/two-categories-of-architecture-patterns-for-deployability/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware ArchitectureDevopsQuality AttributesAgilehttps://www.sei.cmu.edu/blog/six-acquisition-pathways-for-large-scale-complex-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesHow to map technical reference frameworks (TRFs) to the pathways that compose the DoD’s Adaptive Acquisition Framework (AAF)Douglas Schmidt, Nickolas GuertinMon, 07 Feb 2022 00:00:00 -0500https://www.sei.cmu.edu/blog/six-acquisition-pathways-for-large-scale-complex-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware AssuranceSystem of SystemsOpen Systems ArchitecturesAchieving Modular Open System Architectures in DOD AcquisitionAcquisition Transformationhttps://www.sei.cmu.edu/blog/toward-technical-reference-frameworks-to-support-large-scale-systems-of-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesStrategies for creating architectures for large-scale, complex, and interoperable systems of systems that are composed of functions covering a broad range of requirements.Nickolas Guertin, Douglas SchmidtMon, 20 Dec 2021 00:00:00 -0500https://www.sei.cmu.edu/blog/toward-technical-reference-frameworks-to-support-large-scale-systems-of-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware AssuranceSystem of SystemsOpen Systems ArchitecturesAchieving Modular Open System Architectures in DOD AcquisitionAcquisition Transformationhttps://www.sei.cmu.edu/blog/integrating-safety-and-security-engineering-for-mission-critical-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesCritical systems must be safe from harm and secure, but safety and security practices have evolved in isolation. The SEI is improving coordination between safety and security engineering.Sam Procter, Sholom CohenMon, 10 May 2021 00:00:00 -0400https://www.sei.cmu.edu/blog/integrating-safety-and-security-engineering-for-mission-critical-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSafety-Related RequirementsSecurity-Related Requirementshttps://www.sei.cmu.edu/blog/automating-system-security-with-aadl-11-rules-for-ensuring-a-security-model/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis SEI Blog post presents an approach for modeling and validating confidentiality using AADL, and 11 analysis rules for ensuring security model consistency.Aaron GreenhouseMon, 26 Apr 2021 00:00:00 -0400https://www.sei.cmu.edu/blog/automating-system-security-with-aadl-11-rules-for-ensuring-a-security-model/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSecurity-Related RequirementsArchitecture Analysis and Design Language (AADL)https://www.sei.cmu.edu/blog/when-your-softwares-check-engine-light-is-on-identifying-design-problems-that-impact-software-failure/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis blog post summarizes an effective roadmap for detecting design problems that can be used to improve software development and performance.Judy HwangMon, 19 Apr 2021 00:00:00 -0400https://www.sei.cmu.edu/blog/when-your-softwares-check-engine-light-is-on-identifying-design-problems-that-impact-software-failure/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updateshttps://www.sei.cmu.edu/blog/requirements-in-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesThis SEI blog post presents a comprehensive guide to effectively manage requirements in Model-Based Systems Engineering (MBSE) for better results.Nataliya ShevchenkoMon, 22 Feb 2021 00:00:00 -0500https://www.sei.cmu.edu/blog/requirements-in-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesDigital EngineeringData Modeling and AnalyticsModel-Based Systems Engineeringhttps://www.sei.cmu.edu/blog/8-steps-for-migrating-existing-applications-to-microservices/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesIn this blog post, I describe a plan for how organizations that wish to migrate existing applications to microservices can do so safely and effectively.Brent FryeMon, 28 Sep 2020 00:00:00 -0400https://www.sei.cmu.edu/blog/8-steps-for-migrating-existing-applications-to-microservices/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware Architecturehttps://www.sei.cmu.edu/blog/addressing-open-architecture-software-cost-estimation/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesIdentifying, estimating, and containing the cost of software is critical to the effective deployment of government systems....Michael Gagliardi, Michael Konrad, Douglas SchmidtMon, 06 Jul 2020 00:00:00 -0400https://www.sei.cmu.edu/blog/addressing-open-architecture-software-cost-estimation/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware Cost EstimatesSoftware Architecturehttps://www.sei.cmu.edu/blog/impacts-and-recommendations-for-achieving-modular-open-systems-architectures-fifth-post-in-a-series/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesIn this series of blog posts, adapted from a recently published paper, we sought to demonstrate how layered business and technical architectures can leverage modular component design practices....Nickolas Guertin, Douglas SchmidtMon, 23 Sep 2019 00:00:00 -0400https://www.sei.cmu.edu/blog/impacts-and-recommendations-for-achieving-modular-open-systems-architectures-fifth-post-in-a-series/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesAchieving Modular Open System Architectures in DOD AcquisitionAcquisition Transformationhttps://www.sei.cmu.edu/blog/why-software-architects-must-be-involved-in-the-earliest-systems-engineering-activities/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesToday's major defense systems rely heavily on software-enabled capabilities. However, many defense programs acquiring new systems first determine the physical items to develop....Sarah Sheard, Suzanne Miller, Bill Nichols, Donald Firesmith, Michael PhillipsMon, 12 Aug 2019 00:00:00 -0400https://www.sei.cmu.edu/blog/why-software-architects-must-be-involved-in-the-earliest-systems-engineering-activities/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updatesSoftware Sustainment