The document discusses the importance of an abstraction layer in cloud architecture to enhance productivity and manage cognitive load. It outlines the role of platform teams in supporting development teams by simplifying complexity through standardization and self-service. Additionally, it covers software quality dimensions and the inevitability of vendor lock-in at different architectural levels.

1. qaware.de
Ich brauche einen Abstraktions-Layer
für meine Cloud.
Cloud Native Night - Battle #1
Mario-Leander Reimer
mario-leander.reimer@qaware.de
@LeanderReimer

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

3. Productivity
&
Quality

4. QAware | 4
100 Meter Sprint
Marathon Läufer
Speed

5. QAware | 5
Productivity

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

7. Minimize
intrinsic cognitive load
Eliminate
extraneous cognitive load

8. &

9. 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

10. 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

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

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

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

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

16. QAware | 16
Those Tasty Layers of Abstraction!

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