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qaware.de Ich brauche einen Abstraktions-Layer für meine Cloud. Cloud Native Night - Battle #1 Mario-Leander Reimer [email protected] @LeanderReimer

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QAware | 2 Layers of Lardo di Colonnata around a Bistecca alla Fiorentina

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Productivity & Quality

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QAware | 4 100 Meter Sprint Marathon Läufer Speed

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QAware | 5 Productivity

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“Too much cognitive load will become a bottleneck for fast flow and high productivity.” https://teamtopologies.com

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Minimize intrinsic cognitive load Eliminate extraneous cognitive load

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&

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https://teamtopologies.com ■ The Platform team as a key enabler for high productivity of stream-aligned DevOps teams. ■ Responsible to build and operate “a platform” to enable and support the teams in their day to day development work. ■ The platform aims to hide the inherent complexity to reduce the cognitive load for the other teams. – Abstractions – Standardization – Self-Service

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The 8 dimensions of software quality. Abstractions are key to good maintainability and portability. QAware | 10 Software Product Quality (ISO 25010) ● Modularity ● Reusability ● Analysability ● Modifiability ● Testability ● Adaptability ● Installability ● Replaceability ● Confidentiality ● Integrity ● Non-repudiation ● Authenticity ● Accountability ● Maturity ● Availability ● Fault Tolerance ● Recoverability Maintainability Portability Security Reliability ● Co-existence ● Interoperability Compatibility ● Time Behaviour ● Resource Utilization ● Capacity Efficiency ● Completeness ● Correctness ● Appropriateness Functional Suitability ● Operability ● Learnability ● UI aesthetics ● Accessibility Usability

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SoC Separation of Concerns. Modules, layers and components. Loose Coupling and High Cohesion.

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Separation of Concerns über die drei essentiellen Sichten einer Software-Architektur. QAware | 12 QAware | 12 Biz Dev Ops

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Ein “Vendor Lock-in” auf Ebene der TI Architektur ist normal und unvermeidbar. QAware | 13 QAware | 13 Biz Dev Ops

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Cloud Provider spezifische Abhängigkeiten und APIs auf den oberen Ebenen führen hingegen ins Verderben. QAware | 14 QAware | 14 Biz Dev Ops

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QAware | 16 Those Tasty Layers of Abstraction!

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qaware.de QAware GmbH Aschauer Straße 32 81549 München Tel. +49 89 232315-0 [email protected] twitter.com/qaware linkedin.com/company/qaware-gmbh xing.com/companies/qawaregmbh slideshare.net/qaware github.com/qaware