Designing software for resilience

Designing for infrastructure resilience eod resilience resources 5 box 1 the need for strategic and spatial planning of infrastructure resilience in bangladesh parvin and shaw 2011 measurement of city resilience suggests poor to medium resilience in dhaka, bangladesh. Designing climate resilience for people and nature at the landscape scale. The daunting questions are how to slice design an application and which patterns to combine in order to best match your specific needs. It teamed academics, engineers, and industry researchers from around the world to subject a structure to what engineers refer to as continue reading designing resilience. Because firmware is essentially lowlevel software that only interacts with hardware components, early. A stakeholder summit on high performance resilient buildings and related infrastructure, national hazards and building experts developed comprehensive recommendations for increasing resiliency in six areas.

Strategies to address resilience apply at scales of individual buildings, communities, and larger regional and ecosystem scales. Climate resilience may motivate the design and engineering teams to change an hvac system or to place critical building operation equipment and mechanical systems on higher floors neither of these strategies add to a project budget, and both increase resilience. Mar 09, 2017 forget about not being able to access critical business applications like salesforce, office365, gotomeeting, adp or github, can you imagine a world or even 30minutes without access to your favorite social media sites like twitter, facebook and snapchatsome should consider a break but thats a subject for another day. The event, the worlds largest earthquake test, was a collaborative network for earthquake engineering simulation project. Designing climate resilience for people and nature at the. Resilience is a novel but promising concept in project management studies. Grenning works to help people manage dependencies in software development. Since 2015, the dria has been organizing an international symposium and design competition in singapore annually. Michael nygards circuit breaker pattern has been adopted by netflix and become established as a central part of resilient software design. Designing resilience ive just been listening to a talk by martin reeves on building resilient businesses that flourish in the face of change that speaks to 6 principles prudence, adaptation, embeddedness, modularity, redundancy, diversity of organizational sustainability.

The 7 quests of resilient software design slideshare. Resilience testing is a crucial step in ensuring applications perform well in real life conditions. Designing for resilience its not about the platform. Towards successful resilient software design infoq. Some of these solutions, such as the zerodown software developed by zeronines, allow for the quick shifting of application workloads from one hyperscale cloud provider to another without the loss of functionality or data. For example, he helps to ensure that code in embedded environments can be tested in any environment, not just embedded hardware which can become obsolete very rapidly. Mar 09, 2015 michael nygards circuit breaker pattern has been adopted by netflix and become established as a central part of resilient software design.

Feb, 2017 3 main points of value for ritual design inside orgs. Daniel jackson has written an article, dependable software by design, on how software design tools can be used to improve the resilience of software. Designing code for testability and resilience solutionsiq. Using the analytical power of geospatial data and software, coupled with the. Codesigning resilience this project focuses on finding innovative ways to communicate ideas about resilience and helping people build resilience. In addition to being an important trade center, the city is also known for its healthcare, automotive, software export and chemical industries. At the recently held designing for a resilient america. The target at which software designers have always aimed. Chennai formerly madras, the capital of tamil nadu state, also the secondlargest port in india, lies along bay of bengal in the eastern coast of south india. What are the principles of building resilient software systems. The proposal was appreciated for the interscalar and interdependent innovations. Patterns for resilient architecture part 1 adrian hornsby medium. Welcome to resilience information solutions, software. While dealing with resilient software design for several years meanwhile, i realized along the way that.

Building children, family and community resilience sims, margaret on. The ability of an app to recover from certain types of failure and yet remain functional from the customer perspective. Designing work processes to increase resilience and agility. The difference between reliable and resilient software. Many urban educators and school leaders we work with have students who must persevere in the face of underresourced schools, schooling practices that focus on student deficits, and povertyrelated obstacles to learning.

Uwe friedrichsen walks you through the foundations of resilient software design. Codesigning resilience urban resilience the opensource way. In scientific american he wrote an architectural marvel when it opened 11 years ago, the new denver international airports hightech jewel was to be its automated baggage handler. Designing for software resiliency and robustness in highperformance routing environments by steve vogelsang at the heart of todays advanced communications networks are ip routers supporting an evergrowing number of ipbased applications. Designing resilience in asia dria aims to promote and. Apr 19, 2019 many companies are achieving increased agility and resilience by making the resolution of crossteam boundary handoff issues a top priority in a managers work. Resilient design 101, resilient building design 1 of 24. Many companies are achieving increased agility and resilience by making the resolution of crossteam boundary handoff issues a top priority in a managers work. The 7 quests of resilient software design a guide for the adventurous software engineer uwe friedrichsen codecentric ag 20122017 2. This paper describes a methodology for designing resilient systems.

How much does potential downtime cost your business. Mitre just concluded another secure and resilient cyber architectures invitational, the seventh. Discussions at this years event explored the ways design principles could be used, identified concerns for metrics to assess operational gaps and compare alternatives, and spoke to the ongoing need to keep critical processes going despite disruptions, such as those resulting from cyber attacks. The entry the prize of water was one of the finalists in the design competition designing resilience in asia dria 2018. Resilience is the ability to absorb disturbances, to be changed and then to reorganise adapt weve spent time thinking about this and opted for an approach based on adaptive control valves which moves far beyond the basic circuit breaker approach used by netflix to increase resilience in its software. Its acclaimed author explains the benefits of resilient software design and why it matters exactly how we fail.

Designing resilient, sustainable systems request pdf. The dria international research programme integrates research, education and capacity building efforts, and translates research into practice through specific urban and architectural design solutions and innovative building. Lessons from netflix pdf, 3mb can be found on the qcon website, and the video will. According to pwcs global crisis survey 2019, nearly seven in 10 leaders 69 percent have experienced at least one corporate crisis in the last five years, while companies with more than 5,000 employees are likely to have experienced more than five crisesan average of one each year. As the term indicates, resilience in software describes its ability to withstand stress and. Designing for software resiliency and robustness in high.

Lessons from netflix pdf, 3mb can be found on the qcon website, and the video will be made available on infoq over the coming. Ever since hurricane sandy wrought havoc on the east coast, resilient design has been a hot topic of conversation and not just. Eight steps for designing a coronavirus crisis management. Designs using formal methods should include formal methods describing time if. Resilience design is a movement encapsulating a thinking. A reliable app functions just as the designer intended it to whenever and wherever a customer is connected. Designing firmware resilience for 3 top attack vectors.

May 20, 2019 grenning works to help people manage dependencies in software development. Resilient software design rsd for short is a topic that cannot be explained in a sentence or two which sometimes makes it hard to explain it to a person who is used to elevator pitch. Resilience testing is a crucial step in ensuring applications perform well in reallife conditions. Designing for resilienceits not about the platform. It is part of the nonfunctional sector of software testing that also includes compliance testing, endurance testing, load testing, recovery testing and others. Sep 28, 2017 the 7 quests of resilient software design 1.

Building children, family and community resilience. It starts at the infrastructure layer, progresses to the network and data, influences application design and. The slides for nora jones talk designing services for resilience. Forget about not being able to access critical business applications like salesforce, office365, gotomeeting, adp or github, can you imagine a world or even 30minutes without access to your favorite social media sites like twitter, facebook and snapchatsome should consider a break but thats a subject for another day. Designing resiliencepresents case studies of extreme events and analyzes the ability of affected individuals, institutions, governments, and technological systems to cope with disaster. It is the capacity to bounce back after a disturbance or interruption. Building resiliency recovering from failures and availability running in a healthy state without significant downtime into your apps begins with gathering requirements.

The components of the methodology include resilience characterization for threat models associated with various exposure modes, requirements mapping, subsystem ranking based on criticality, and selective implementation of mitigations to improve system resilience to a desired level. Designing for resiliency will be so 20 high scalability. Designing advisories for resilience educational leadership. In interviews, many executives in healthcare and hightechnology companies say that resolving handoff problems is a missioncritical management activity for achieving greater. May 24, 2006 garry peterson leave a comment daniel jackson has written an article, dependable software by design, on how software design tools can be used to improve the resilience of software. This has enabled both the academic program and clinical. This book details a process of creating a longterm sustainability and. The focus of any organization concerned with resilience should be on whatever assures the continuity of business operations and the systems in which theyre embedded.

It comes to down to designing code for flexible testability and resilience. Resilience methods within the software development cycle. The resilient design principles resilient design institute. Resilience is the capacity to adapt to changing conditions and to maintain or regain functionality and vitality in the face of stress or disturbance. Not only has the company been very receptive to our needs and thoughtful in designing a program for us, but the system has enabled us to track the clinical experiences of our physical therapy students in depth. Designing smarter houses is, i think, one of the most important posts.

If it systems are not available or do not run correctly, customers are dissatisfied and not willing to spend money on them. Designing resilience presents case studies of extreme events and analyzes the ability of affected individuals, institutions, governments, and technological systems to cope with disaster. Working together with practitioners, parents, young people, design academics and students, we have prototyped resilience tools and are finding out whether they are useful to people in practice. The designing resilient cities method formerly the urban futures method lombardi et al. Over a period of two years, ecoda experimental codesign approaches has investigated ways of scaling community resilience practices and opportunities for using digital technologies to amplify and connect them through processes of commoning.

Org discussion and wrapup explain to the students that people around the globe are striving to strengthen their communities selfreliance and resilience by redesigning systems such as food, transportation, energy, housing, waste, and decision making. When designing advisory programs, considering resilience as an organizing theme makes sense. Nov, 2017 designing resilience ive just been listening to a talk by martin reeves on building resilient businesses that flourish in the face of change that speaks to 6 principles prudence, adaptation, embeddedness, modularity, redundancy, diversity of organizational sustainability based in biological principles. This approach has emerged through linking resilience theory and practice with the commons and opensource commonsbased peer production movements. Designing for maintainability, failure resilience, and. We need to take risks into account at the design stage, and build for resilience.

Resilient software design rsd for short is a topic that cannot be explained in a sentence or two which sometimes makes it hard to explain it. Reliability society defines reliability as the probability of failurefree software operation for a specified period of time in a specified environment. This volume defines resilience as it relates to disaster management at specific stages. Designing for maintainability, failure resilience, and evolvability in ubiquitous computing software shankar ponnekanti, brad johanson, emre k. Designing for a resilent america homeland security home.

Nov 16, 2017 the slides for nora jones talk designing services for resilience. John robb, march 8, 2012 design fiction is a way for designers and artists to visually depict the future in inspiring ways. To raise awareness and educate multiple audiences, the. The system resilience software has developed for us has been excellent. The designing resilience in asia dria is an international research programme on urban and architecture resilience. Because firmware is essentially lowlevel software that only interacts with hardware components, early firmware hackers could modify the. Our approach in the ecoda project, we propose an opensource approach to urban resilience.