CONFERENCE PROGRAM

Please note:
On this site, there is only displayed the English speaking sessions of the OOP 2021 Digital. You can find all conference sessions, including the German speaking ones, here.

The times given in the conference program of OOP 2021 Digital correspond to Central European Time (CET).

By clicking on "VORTRAG MERKEN" within the lecture descriptions you can arrange your own schedule. You can view your schedule at any time using the icon in the upper right corner.

Track: DevOps & Continuous Everything

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  • Wednesday
    10.02.
  • Thursday
    11.02.
14:30 - 15:30
Mi 9.3
Stories of Incremental Improvements on the Way to Continuous Everything
Stories of Incremental Improvements on the Way to Continuous Everything

After years of introducing “CI”/CD-Pipelines, after using Jenkins, CircleCI, Docker and K8s, your teams still don’t deliver software within minutes? And your customers still know about bugs before you do? Well, maybe you’re doing it wrong.

We’ll share our experiences on how to incrementally get organisations and systems to be able to leverage all the things associated with “continuous everything”. We argue for solutions tailored to individual situations, and more connected to software craftsmanship than to buzzwords and boxed solutions.

Target Audience: Everyone with the challenge to get functionality to customers - quick
Prerequisites: Some knowledge about general software development
Level: Advanced

Extended Abstract:
After years of introducing “CI”/CD-Pipelines, after using Jenkins, CircleCI, Docker and K8s, your teams still don’t deliver software within minutes? And your customers still know about bugs before you do?

Maybe designing the perfect world during your first sprint just doesn’t cut it. The beautiful docker scaling idea just doesn’t work, because the “microservice” can only run in one instance at a time. The testautomation framework the Ops team provided can unfortunately not test your windows application. Your elasticsearch needs more and more space, but none of the developers have removed a single exception notification. The awesome buildpipeline with the included tests has a great dashboard that shows a red build continuously, but no one cares and you still do hotfixes on the production system. And your last major “refactoring” branch has been running green for the last two month, but you just can’t merge it back into your production code without breaking a few minds.

Well, maybe you’re doing it wrong.

Companies that successfully employ continuous delivery usually don’t excel in their tools. They excel in the architecture of their software, they excel in the way the people in the company work together, they excel in the way everyone actually understands what they are doing. In such environments people are not afraid of magic things that might happen in some unknown system, but leverage tools to automate things they themselves know how to do - so good that it gets boring and thus these tasks are better done by tools.

We’ll share our experiences on how to incrementally get organisations and systems to be able to leverage all the things associated with “continuous everything”. We argue for solutions tailored to individual situations, and more connected to software craftsmanship than to buzzwords and boxed solutions.

After quite a while in software development in the last century Michael Mahlberg turned to consulting on software architecture and processes in general around the turn of the Millennium. Always with a strong focus on continuous improvement and sustainable change he now spends most of his time supporting clients in their quest for more effective ways to work, mostly by applying lean and agile concepts.
Falk Kühnel ist begeisterter Agilist auf der Suche nach dem Glück, großartigen Arbeitsumgebungen und mitarbeiterorientierten Unternehmen, die gute Gewinne erwirtschaften.

Falk beschäftigt sich seit dem Studium der Informatik mit XP und agilen Methoden.

Außerdem ist er ausgebildeter Mediengestalter, Diplom-Informatiker (Dipl.-Inf.), Certified Scrum Trainer (CST), Trainer für Certified Scrum Developer, CSM, CSPO, CSD und CSP, Team Kanban Practitioner und praktizierender Zyniker.

Michael Mahlberg, Falk Kühnel
Michael Mahlberg, Falk Kühnel
Talk: Mi 9.3
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11:00 - 11:45
Do 9.2
The Road to Site Reliability Engineering
The Road to Site Reliability Engineering

Introducing SRE is a challenging endeavor. Not only does it involve technological choices and practices but also processes, organization and culture. This talk will walk through the evolution of operations/SRE at Instana. Starting in the early days with just a handful of well-meaning family-and-friends customers over platform re-architectures and team growth to the present day with customers all around the world and 365/24/7 operations. It will touch the key challenges we had to face in each of these phases and how we approached them.

Target Audience
: Developers, Operators, DevOps, Project Leads, Managers
Prerequisites: None
Level: Basic



Bastian Spanneberg is part of the SRE team at Instana, having experienced its evolution since the early days of the company.
Bastian Spanneberg
Bastian Spanneberg
Talk: Do 9.2
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14:30 - 15:30
Do 9.3
Deployment Patterns for Confidence: Quality Delivery Pipeline
Deployment Patterns for Confidence: Quality Delivery Pipeline

DevOps as a software engineering practice unifies software development (Dev) and software operation (Ops). To assist with quality delivery in with DevOps you need to provide a “Quality Delivery Pipeline” to assure the delivery meets the requirements and proper validation and checks are done before releasing into full production. This talk will focus on the “Quality Delivery Pipeline” as a practice that can help sustain delivering with confidence by addressing important qualities in the pipeline.

Target Audience:
English, Developers, Architects, QAs, Testers, Product Owners
Prerequisites: Basic Understanding of architecture and microservices and familiarity with DevOps
Level: Advanced

Extended Abstract:
Many software development processes such as Agile and Lean focus on the delivery of working software that meets the needs of the end-users. Many of these development processes help teams respond to unpredictability through incremental, iterative work cadences, and through empirical feedback. There is a commitment to quickly deliver reliable working software that has the highest value to those using or benefiting from the software. DevOps has become a common practice to assist with quality delivery in these practices, specifically when developing using the microservices architectural style. DevOps as a software engineering practice unifies software development (Dev) and software operation (Ops). To assist with quality delivery in these practices you need to provide a “Quality Delivery Pipeline” to help assure the delivery meets the requirements and proper validation and checks are done before releasing into full production. At the end of the pipeline the validated system will be deployed into production. There are various deployment techniques to help successfully and reliably deploy more quickly. The goal is to give confidence by providing "reliable, working software" to the user (making the user confident in the system). Also, the teams will have more confidence the system is working. This talk will focus on the “Quality Delivery Pipeline” as a practice that can help sustain delivering with confidence by addressing important qualities in the pipeline.

Joseph (Joe) Yoder is president of the Hillside Group and principle of The Refactory. He is best known as an author of the Big Ball of Mud pattern, illuminating fallacies in software architecture. Joe teaches and mentors developers on agile and lean practices, architecture, flexible systems, clean design, patterns, refactoring, and testing. Joe has presented many tutorials and talks, arranged workshops, given keynotes, and help organized leading international agile and technical conferences.
Ademar Aguiar is a Professor at Faculty of Engineering of University of Porto (FEUP) and researcher at INESC Porto, with over more than 20 years of experience on software development, software architecture and design (patterns, frameworks, infrastructures), agile methods, wikis, and open collaboration tools.
Joe Yoder, Ademar Aguiar
Joe Yoder, Ademar Aguiar
Talk: Do 9.3
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