Entries Tagged as 'Acquisition '

The Need to Specify Requirements for Off-Nominal Behavior

Acquisition , Safety-Related Requirements , Security-Related Requirements No Comments »

By Donald Firesmith
Senior Member of the Technical Staff
Acquisition Support Program

Don FiresmithIn our work with acquisition programs, we’ve often observed a major problem: requirements specifications that are incomplete, with many functional requirements missing. Whereas requirements specifications typically specify normal system behavior, they are often woefully incomplete when it comes to off-nominal behavior, which deals with abnormal events and situations the system must detect and how the system must react when it detects that these events have occurred or situations exist. Thus, although requirements typically specify how the system must behave under normal conditions, they often do not adequately specify how the system must behave if it cannot or should not behave as normally expected. This blog post examines requirements engineering for off-nominal behavior.

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A Summary of Key SEI R&D Accomplishments in 2011

Acquisition , Agile , Architecture Documentation , Binaries , Cyber-physical Systems , Fuzzy Hashing , Handheld Devices , Malware , Measurement & Analysis , Resilience Management Model (RMM) , Safety-Related Requirements , Security-Related Requirements , Software Cost Estimates , Team Software Process (TSP) , Technical Debt 1 Comment »

By Douglas C. Schmidt
Chief Technology Officer

Douglas C. SchmidtA key mission of the SEI is to advance the practice of software engineering and cyber security through research and technology transition to ensure the development and operation of software-reliant Department of Defense (DoD) systems with predictable and improved quality, schedule, and cost. To achieve this mission, the SEI conducts research and development (R&D) activities involving the DoD, federal agencies, industry, and academia. One of my initial blog postings summarized the new and upcoming R&D activities we had planned for 2011. Now that the year is nearly over, this blog posting presents some of the many R&D accomplishments we completed in 2011.

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The Latest Research from the SEI

Acquisition , CMMI , Insider Threat , Smart Grid Maturity Model No Comments »

By Douglas C. Schmidt,
Chief Technology Officer

Douglas C. Schmidt

As part of an ongoing effort to keep you informed about our latest work, I'd like to let you know about some recently published SEI technical reports and notes. These reports highlight the latest work of SEI technologists in Agile methods, insider threat,the SMART Grid Maturity Model, acquisition, and CMMI.  This post includes a listing of each report, author/s, and links where the published reports can be accessed on the SEI website.

 

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A Collaborative Method for Engineering Safety- and Security-Related Requirements

Acquisition , Safety-Related Requirements , Security-Related Requirements No Comments »

By Donald Firesmith,
Senior Member of the Technical Staff
Acquisition Support Program

This blog post is the third and final installment in a series exploring the engineering of safety- and security-related requirements.

Background: In our research and acquisition work on commercial and Department of Defense (DoD) programs, we see many systems with critical safety and security ramifications. With such systems, safety and security engineering are used to managing the risks of accidents and attacks. Safety and security requirements should therefore be engineered to ensure that residual safety and security risks will be acceptable to system stakeholders. The first post in this series explored problems with quality requirements in general and safety and security requirements in particular.  The second post, took a deeper dive into key obstacles that acquisition and development organizations encounter concerning safety- and security-related requirements. This post introduces a collaborative method for engineering these requirements that overcomes the obstacles identified in earlier posts.

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The Latest Research from the SEI

Acquisition , Operational Resilience , Service-Oriented Architecture No Comments »

By Douglas C. Schmidt,
Chief Technology Officer

Douglas C. SchmidtHappy Labor Day from all of us here at the SEI. I’d like to take advantage of this special occasion to keep you apprised of some recent technical reports and notes from the SEI. It’s part of an ongoing effort to keep you informed about our latest work. These reports highlight the latest work of SEI technologists in software architecture, operational resilience, standards-based automated remediation, and acquisition.  This post includes a listing of each report, author/s, and links where the published reports can be accessed on the SEI website.

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