http://www.sei.cmu.edu/feeds/topic/software-architecture/atom/?utm_source=blog&utm_medium=rss2024-08-19T00:00:00-04:00Updates on changes and additions to the SEI Blog for posts matching Software Architecture2024-08-19T00:00:00-04:002024-08-19T00:00:00-04:00Alejandro Gomezhttps://www.sei.cmu.edu/blog/building-quality-software-4-engineering-centric-techniques/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

Why 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.

2023-11-13T00:00:00-05:002023-11-13T00:00:00-05:00Sam Procterhttps://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_updates

Our 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.

2023-03-27T00:00:00-04:002023-03-27T00:00:00-04:00Alejandro Gomezhttps://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_updates

This post provides a tutorial with code samples on using Docker and NS-3 to Create Realistic Network Simulations.

2023-03-20T00:00:00-04:002023-03-20T00:00:00-04:00Mario Benitezhttps://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_updates

This 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.

2022-12-19T00:00:00-05:002022-12-19T00:00:00-05:00Stephany Bellomohttps://www.sei.cmu.edu/blog/experiences-documenting-and-remediating-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

This SEI Blog post provides examples of enterprise technical debt and the risk it represents taken from real-world projects.

2022-12-05T00:00:00-05:002022-12-05T00:00:00-05:00Stephany Bellomohttps://www.sei.cmu.edu/blog/what-is-enterprise-technical-debt/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

This 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.

2022-11-28T00:00:00-05:002022-11-28T00:00:00-05:00Nataliya Shevchenkohttps://www.sei.cmu.edu/blog/modeling-capabilities-with-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

This 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.

2022-07-25T00:00:00-04:002022-07-25T00:00:00-04:00Rick Kazmanhttps://www.sei.cmu.edu/blog/tactics-and-patterns-for-software-robustness/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

Robustness, 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.

2022-03-07T00:00:00-05:002022-03-07T00:00:00-05:00Sam Procterhttps://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_updates

The design of critical systems—those used in aircraft, medical devices, etc.—is becoming increasingly challenging as they increase in sophistication and complexity.

2022-02-14T00:00:00-05:002022-02-14T00:00:00-05:00Rick Kazmanhttps://www.sei.cmu.edu/blog/two-categories-of-architecture-patterns-for-deployability/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

This post, excerpted from the fourth edition of Software Architecture in Practice, discusses deployability and describes two categories of associated architecture patterns.

2022-02-07T00:00:00-05:002022-02-07T00:00:00-05:00Douglas Schmidt, Nickolas Guertinhttps://www.sei.cmu.edu/blog/six-acquisition-pathways-for-large-scale-complex-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

How to map technical reference frameworks (TRFs) to the pathways that compose the DoD’s Adaptive Acquisition Framework (AAF)

2021-12-20T00:00:00-05:002021-12-20T00:00:00-05:00Nickolas Guertin, Douglas Schmidthttps://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_updates

Strategies for creating architectures for large-scale, complex, and interoperable systems of systems that are composed of functions covering a broad range of requirements.

2021-05-10T00:00:00-04:002021-05-10T00:00:00-04:00Sam Procter, Sholom Cohenhttps://www.sei.cmu.edu/blog/integrating-safety-and-security-engineering-for-mission-critical-systems/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

Critical 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.

2021-04-26T00:00:00-04:002021-04-26T00:00:00-04:00Aaron Greenhousehttps://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_updates

This SEI Blog post presents an approach for modeling and validating confidentiality using AADL, and 11 analysis rules for ensuring security model consistency.

2021-04-19T00:00:00-04:002021-04-19T00:00:00-04:00Judy Hwanghttps://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_updates

This blog post summarizes an effective roadmap for detecting design problems that can be used to improve software development and performance.

2021-02-22T00:00:00-05:002021-02-22T00:00:00-05:00Nataliya Shevchenkohttps://www.sei.cmu.edu/blog/requirements-in-model-based-systems-engineering-mbse/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

This SEI blog post presents a comprehensive guide to effectively manage requirements in Model-Based Systems Engineering (MBSE) for better results.

2020-09-28T00:00:00-04:002020-09-28T00:00:00-04:00Brent Fryehttps://www.sei.cmu.edu/blog/8-steps-for-migrating-existing-applications-to-microservices/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

In this blog post, I describe a plan for how organizations that wish to migrate existing applications to microservices can do so safely and effectively.

2020-07-06T00:00:00-04:002020-07-06T00:00:00-04:00Michael Gagliardi, Michael Konrad, Douglas Schmidthttps://www.sei.cmu.edu/blog/addressing-open-architecture-software-cost-estimation/?utm_source=blog&utm_medium=rss&utm_campaign=my_site_updates

Identifying, estimating, and containing the cost of software is critical to the effective deployment of government systems....

2019-09-23T00:00:00-04:002019-09-23T00:00:00-04:00Nickolas Guertin, Douglas Schmidthttps://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_updates

In 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....

2019-08-12T00:00:00-04:002019-08-12T00:00:00-04:00Sarah Sheard, Suzanne Miller, Bill Nichols, Donald Firesmith, Michael Phillipshttps://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_updates

Today's major defense systems rely heavily on software-enabled capabilities. However, many defense programs acquiring new systems first determine the physical items to develop....