Blog Posts
A Model-Based Tool to Assist in the Design of Safety-Critical Systems
The design of critical systems—those used in aircraft, medical devices, etc.—is becoming increasingly challenging as they increase in sophistication and complexity.
• By Sam Procter
In Software Architecture
Two Categories of Architecture Patterns for Deployability
This post, excerpted from the fourth edition of Software Architecture in Practice, discusses deployability and describes two categories of associated architecture patterns.
• By Rick Kazman
In Software Architecture
Six Acquisition Pathways for Large-Scale, Complex Systems
How to map technical reference frameworks (TRFs) to the pathways that compose the DoD’s Adaptive Acquisition Framework (AAF)
• By Nickolas Guertin, Douglas C. Schmidt
In Software Architecture
Toward Technical Reference Frameworks to Support Large-Scale Systems of Systems
Strategies for creating architectures for large-scale, complex, and interoperable systems of systems that are composed of functions covering a broad range of requirements.
• By Douglas C. Schmidt, Nickolas Guertin
In Software Architecture
Integrating Safety and Security Engineering for Mission-Critical Systems
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.
• By Sam Procter, Sholom Cohen
In Software Architecture
Automating System Security with AADL: 11 Rules for Ensuring a Security Model
This post presents an approach for modeling and validating confidentiality based on the Bell–LaPadula security model using the Architecture Analysis and Design Language (AADL). It also presents 11 analysis rules …
• By Aaron Greenhouse
In Software Architecture
When Your Software’s “Check Engine” Light Is On: Identifying Design Problems that Impact Software Failure
This blog post summarizes an effective roadmap for detecting design problems that can be used to improve software development and performance.
• By Judy Hwang
In Software Architecture
Requirements in Model-Based Systems Engineering (MBSE)
Although MBSE does not dictate any specific process, any MBSE process should cover four systems engineering domains: requirements/capabilities, behavior, architecture/structure, and verification and validation. In this blog post, I describe …
• By Nataliya Shevchenko
In Software Architecture
8 Steps for Migrating Existing Applications to Microservices
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.
• By Brent Frye
In Software Architecture
Addressing Open Architecture in Software Cost Estimation
Identifying, estimating, and containing the cost of software is critical to the effective deployment of government systems....
• By Michael Gagliardi, Michael Konrad, Douglas C. Schmidt
In Software Architecture
