Software sustaining engineering metrics handbook

Lessons from 7 highly successful software engineering cultures. More must have metrics to drive continuous improvement. The borgmon program code, also known as borgmon rules, consists of simple algebraic expressions that compute timeseries from other timeseries. Publicprivate partnering for product support 10202016 2 cus does not preclude application to other product support elements2 within, or in addition to, those partnerships, and work is underway to provide additional authorities to encompass a broad.

How sustaining engineering is developed, established and. Ppp for product support guidebook under secretary of. Engineering kpis you must start measuring now journyx. These rules can be quite powerful because they can query the history of a single timeseries i. Bollinger tb and mcgowan c, a critical look at software capability evaluations, ieee software, 2541, july, 1991. Metrics are related to the four functions of management. In chapter 4 software metrics are introduced and di. The design, development, and sustaining support of launch processing system lps. These metrics can give ceos a sharper image of their software trajectory. Petroleum and nuclear engineers focus mostly on energy related concerns, including safely. International council on systems engineering systems. Reliability is a byproduct of quality, and software quality can be measured. Performance metrics for the maintenance function the asset reliability process represents the collection of all tasks required to support the maintenance function. It discusses the benefits that organizations have derived from metrication, it looks at why organizations have sought to introduce metrics programmes, how they have gone about introducing those programmes and the problems that they have encountered during implementation.

In 1989, when the initial work on the nasa systems engineering handbook was started, there were many who were concerned about the dangers of a document that purported to teach a generic nasa approach to systems engineering. He also describes the key metrics used by several major software developers and discusses software metrics data collection. The psm should focus on a few key outcomes, such as weapon system availability, mission reliability, logistics footprint, or overall system readiness levels, using the metrics as discussed in this guidebooks section 0, metrics. A software metric is a measure of some property of a piece of software or its specifications. Thus, software measurement gives rise to software metrics. As a followup to my last column, must have metrics for continuous improvement, the next musthave metrics are first pass yield fpy and rolled throughput yield rty. Exact definitions and details can be found in the jcids manual.

Collection and triage of all service use and maintenance data. Manual sizing for software metrics in software engineering is economical for. Psm guidebook 12192019 defense acquisition university. Software metrics massachusetts institute of technology. Security analysis tools can be used in the build process, in addition to more specialized evaluations and stress tests. When is sustaining engineering delivered and managed in the life cycle f. A software metric set for program maintenance management. If a step in the process is skipped, or performed at a substandard level, the.

Original binary for cocomo ii, manuals and documets for cocomo project. See the complete profile on linkedin and discover randis. It provides a set of software engineering requirements in generic terms to be applied throughout nasa and its contractor community. Rick garber is manager of it process engineering with corbis in seattle, wa. Advantage of using these process are also discussed. Undergraduate handbook 1016 downing hall 2300 sixth st. Today we depend on a virtual team of release managers to deploy our software to production. Application to an acquisition program also includes determining the fitness of a particular technology to meet the customers requirements and desired outcome for operations. Chapter 3 introduces software process improvements. The portions affected by this mandated revision are l isted in the summary of the change. These engineers typically deal with design tasks driven by warrantee issues, cost reduction activities, manufacturing support, and engineering custom applications based on your standard product. Citeseerx scientific documents that cite the following paper.

Security requirements are often simple and commonsensical, but the software development team needs to be mindful of them, and of the metrics derived from them. Even if a metric is not a measurement metrics are functions, while measurements are the numbers obtained by the application of metrics, often the two terms are used as synonyms. In regards to software project cost and underestimation, it is a problem that has not diminished in the last 70 years. Customer satisfaction engineerings customer, not end user supplier defect rate often the supplier is whoever is supplying specs and info to engineering technical metrics. All of them offer leaders insights into the various elements of building and sustaining successful software development organizationsincluding benchmarking, organizational design, and. Performing organization names and addresses defense acquisition university,9820 belvoir rd,fort belvoir,va,22060. Further, the university is dedicated to attracting and sustaining a cadre of faculty who are, through. The epms consists of engineering productivity metrics defined as a ratio of direct work hours to issued for construction ifc quantities, and productivity data are collected at the discipline level and below. A software metric is a standard of measure of a degree to which a software system or process possesses some property. Other readers will always be interested in your opinion of the books youve read. The success of a software project depends largely on the quality and effectiveness of the software design.

Of course, the ultimate measure of success of engineering is that the delivered product as guided by product management drives revenue growth via new market addressability, higher marketing conversions, win rate, upsells to existing clients, etc. Sustaining engineering spans those technical tasks engineering and logistics investigations and analyses to ensure continued operation and maintenance of a system with managed i. Drivers, metrics, tools, and applications offers numerous ways to help engineers contribute towards global sustainable development while solving some of the grand challenges the world is facing today. Nasa software engineering handbook a service of the nasa office of the chief engineer. We will demonstrate how these quality metrics assist in the evaluation of software reliability. The level of repair analysis lora can be performed as either a noneconomic or an economic analysis. Andrew davies manager, current product engineering. No real urgent problems to solve, good team, we do engineer for customers, every request is different, tough to measure. The software sustaining engineering metrics hand book kern and stark, 1992 documents the stan dardized set shown in the third column of table 1. Software maintenance productivity measurement amazon s3.

Software engineering metrics and models benjamincummings. A quantitative indication of the extent, amount, dimension, or size of some attribute of a product or process e. While most companies i visit measure fpy, almost none measures rty, and therefore they miss exposing huge opportunities to improve flow, quality and financial performance. The engineering metrics workshop gives a comprehensive overview of how to measure and improve engineering project and team performance. Engineering documentation control handbook, third edition. At thirteen metrics, the mod software sustaining engi neering metric baseline is a moderately sized set. Who develops, delivers and manages sustaining engineering e. Motivations for using metrics in software engineering. Assessing technical maturity the mitre corporation. Software engineering, programming languages, knowledge engineering, knowledge. How to build and sustain a top quartile infrastructure november. While this is a part of the duties involved the sustaining engineering group should also be looking at the overall defect trends to help identify areas needing refactoring. In software engineering metrics and models by conte et al. Number of software problem reportschange requests new, open, closed, severity.

Its objectives are to define the concept of maintainability, to describe the factors influencing it and to define criteria by which maintainability can be quantitatively. Software development metrics is a handbook for anyone who needs to track and guide software development and delivery at the team level, such as project managers and team leads. Sustaining engineering consists of a combination of systems engineering and product support lifecycle management strategies to achieve the desired sustainment metric outcomes for the program. Hi, i changed companies and am now a manager of an engineering department. The development of metrics during each of these periods is then related to the treatment of software metrics and models in software engineering curricula during that same period. Releasing the sustaining engineering team frees up capacity and changes our team mindset to rapidly fix forward.

Product metrics are used to asses the state of the product, tracking risks and discovering potential problem areas. Nasa systems engineering handbook stanford university. This paper discusses how nasa projects, in conjunction with the satc, are applying software metrics to improve the quality and reliability of software products. The first part of the book covers the environmental, economic, and social impacts associated with projectproduct development as well as society as a whole. Randi bryant sustaining software engineer jadak llc.

Five ways project managers can make their projects more sustainable david goulden on friday, february 24, 2017 interest in environmental stewardship. Cii undertook the development of the engineering productivity metrics system epms to support productivity benchmarking and research. Sep 26, 2016 the single most important thing that a product manager can do to ensure the success of their product is to build in ways to measure the product. Lessons from 7 highly successful software engineering cultures mitch pronschinske, senior editor and content manager, hashicorp dan pink, who has authored several books on the changing workplace, says people are generally happier and more productive when they have autonomy, mastery, and purpose in. Measurement of engineering productivity performance metrics.

These metrics include the dod required key performance parameter kpp of availability. Linking key reliability, availability, maintainability, and supportability metrics to existing warfighter. Measurement theory overview of software metrics, basics of measurement theory. Ipa helps owner companies improve their cost engineering capabilities at both the individual project level and project system level. Computers and software are just as critical to engineering as a cnc machine is to your production. Thus, managing the risks inherent in software development and maintenance is becoming a highly visible and important field. Chapter 2 discusses the process of requirement engineering and requirements management followed by software requirements speci. The level of repair analysis defense acquisition university. The metrics effort within nasas mission operations directorate has helped managers and engineers better understand their processes and products. Software engineering program by software measurement guidebook, washington dc, rose pajerski, donald sova this document is a product of the nasa software program, an agencywide program to promote continual improvement of software engineering within nasa. Software engineering metrics and models benjamincummings series in software engineering. Sustaining engineering also includes the implementation of selected corrective actions to include configuration or maintenance processes and the monitoring of key sustainment health metrics. Software engineering implementing and executing software metrics is a cumbersome task as it is difficult to manage the technical and human aspects of the software measurement. A kanban system for sustaining engineering on software systems.

View randi bryants profile on linkedin, the worlds largest professional community. Measurement enables the product manager and anyone else to see whether the initial value propositio. Implementing software metrics the critical success. In boehms wellknown book software engineering economics 1981, the loc counting method counts lines as physical lines and includes executable lines, data definitions, and comments. Improvement support competitive software organizations sustain a culture of. My situation was well put by mark in first 90 days.

New development practices, including agile methodologies like scrum, have redefined which measurements are most meaningful and under what conditions you can benefit from them. Since quantitative measurements are essential in all sciences, there is a continuous effort by computer science practitioners and theoreticians to bring similar approaches to software development. The software metrics study was initiated to propose metrics of the maintainability of the software produced by the mdsf project. Evolving the system recovery manual and testing of disaster recovery.

Using metrics in management decision making computer. The software sustaining engineering metrics handbook 15 documents the standardized set. Engineering documentation control handbook engineering documentation control handbook by frank b. Handoff from the agile team to this team results in a loss of context and requires a dedicated effort for knowledge transfer. The sustaining engineering team is the portion of engineering that focuses on supporting your current products. Selection and use of software metrics for software development projects, lesson no. What are the engineering metrics that a program manager. Assessing the maturity of a particular technology involves determining its readiness for operations across a spectrum of environments with a final objective of transitioning it to the user.

Classification of software metrics in software engineering. This pamphlet prescribes pro cedures for the policy set forth in ar 700 127 relating to the armys imple mentation of performancebased life cycle. Jun 21, 2016 software metrics software engineering 1. Effort, productivity, and software cost assessment models cocomo. Our impact extends beyond our clients, having received awards from prestigious professional trade associations for our contributions to the field of cost engineering. The noneconomic lora is performed to assess and influence design from a supportability standpoint and typically occurs in the technology maturation and risk reduction tmrr phase of the life cycle management framework. Recipes for it best practices for achieving high performance it. Cox g, sustaining a metrics programme in industry, in software reliability and metrics eds fenton ne and littlewood b, elsevier, 1991, pp 115, 1991.

But those kinds of metrics are outside the scope of this post. Our conclusion is that software engineering curricula have indeed reflected the state of software engineering as the work in software metrics and models has progressed. According to the incose systems engineering handbook 2012, the purpose of the disposal process is to remove a system element from the operation environment with the intent of permanently terminating its use. The advanced guide to software engineering metrics anaxi. Software sustaining engineering metrics handbook, version 2. Linking key reliability, availability, maintainability, and supportability metrics to existing warfighter measures of performance and reporting systems is essential. Academic policies for the bachelor of science degree. A practical approach for systems and software assurance addisonwesley, 2017, the authors explain how to properly approach the cyber security topic, citing some of the real problems associated with a technical approach such as trying to bolt on security after a technology project has. How to build a top quartile infrastructure recipes for it. I need suggestions for metrics for my new job as engineering manager. Software metrics and reliability college of engineering and.

View andrew davies profile on linkedin, the worlds largest professional community. Historically, software quality metrics have been the measurement of exactly their oppositethat is, the frequency of bugs and defects. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Metrics for an engineering manager in his first 90 days. Metric classification software metrics can be divided into two categories.

We can accurately measure some property of software or process. Significant variation in software development estimates % actual software reuse achieved significantly less than planned 11% lack of metrics prevent accurate awareness of software activities in each development phase 10% software requirements are ambiguous. Environmental, biomedical, agricultural and chemical engineers benefit people by developing medicine, fertilizers or more efficient farming practices. See the complete profile on linkedin and discover andrews. Sustaining engineering both returns a system to its baselined configuration and capability, and identifies opportunities for performance and capability enhancement. Many in the software world define sustaining engineering as the bug fix team. Rotating devops role improves engineering service quality.

Hence, it is important to develop software metrics from which meaningful indicators can be derived. Size metrics, data structure metrics, logic structure metrics, software science composite metrics, effort and cost metrics. The goals and objectives of engineers change according to the genre of technology with which they work. The articles in this software development handbook offer a path forward for organizations looking to position themselves on the. The software sustaining engineering metrics handbook 15 documents the standardized set shown in the third column of table 1. They should be consistently defined within the program and traceable to the operational need. Common system engineering metrics include timeliness, efficiency and effectiveness, performance requirements, quality. Software sustaining engineering metrics handbook, version. In this paper the prerequisites for software maintenance productivity analysis. Boehm bw, software engineering economics, prenticehall, new york, 1981. Metrics in the software engineering curriculum springerlink. Applied to the field of software engineering it is presented in detail in. Introduction to software engineeringqualitymetrics. Issues in software metrics by dinesh thakur category.

Metrics software metrics report software engineering handbook. No way to measure property directly or final product does not yet exist for predicting, need a model of relationship of predicted variable with other measurable variables. Kan discusses several metrics in each of three groups of software quality metrics. At the top level, the sustainment metrics should focus on providing an effective system that is available and reliable with minimal down time at a reasonable cost. Software metrics are a measure of some property of a piece of software or its specifications. A systematic metricsa systematic metricsbased process thatbased process that assesses the maturity of critical technology elements ctes by antechnology elements ctes by an.