How do you successfully bring the traditional, heterogeneous IT landscape into the cloud and thereby increase the reliability and availability of the systems? Edelweiss Air has found the answer with the support of 1stQuad: As a reference architecture, a “Cloud Transformation Blueprint” shows how dependencies can be reduced with a cloud transformation and how a better, future-proof IT can be built up.

The Swiss airline Edelweiss Air, like some companies, operates a very heterogeneous IT environment with many silo applications and strongly nested dependencies. The overview is hardly guaranteed, and unexpected and undesirable consequences can arise in the event of a system failure. If, for example, ticket bookings are not possible for several hours only, this is a threat to the existence of the company.

Edelweiss Air therefore approached 1stQuad to find a solution for this complex problem. It quickly became clear that only a decoupling of the systems and the definition of clear interfaces can lead to success. Not only the internal systems had to be taken into account, but also peripheral systems from third parties, which further increases the complexity.

Under these conditions and with a view to future requirements, only one approach was actually possible: The company’s own systems are transferred to the cloud as autonomous units, and a service bus and API management ensure correct communication. Together with the customer, 1stQuad conceptually developed a complete cloud architecture based on Microsoft Azure in a few meetings – a “Cloud Transformation Blueprint” was created. Three specific, mission-critical applications were architecturally designed in detail, which had caused problems in the past.

Edelweiss Air’s IT managers thus receive a concept that they can present to management. The Cloud Transformation Blueprint gives the company the security of being on the right track, at the same time demonstrating the feasibility and practicability of a cloud transformation and providing guidelines for the future evaluation and development of technologies and software.


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1stQuad accompanies companies and organizations on their way to the “Digital Enterprise”.

We are lateral thinkers, use state-of-the-art technologies and create convincing solutions with a focus on the essentials.
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Since 2009 we love what we do and take responsibility. We are constantly expanding our competencies and offering.
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