Migrating an entire mainframe to the cloud.
Working with LzLabs, Swisscom migrated its entire mainframe application workload and data to a cloud infrastructure running the LzLabs Software Defined Mainframe® (SDM).
The
challenge.
- To relieve pressure from a highly competitive market, and reduce IT costs
- Minimize the risk of a declining mainframe skills pool
- Position Swisscom for innovation in the communications industry
The
solution.
- To relieve pressure from a highly competitive market, and reduce IT costs
- Minimize the risk of a declining mainframe skills pool
- Position Swisscom for innovation in the communications industry
It works. It really works.
You need to have the courage, and you have to face a change project, but it works. Go for it”
— Markus Tschumper, head of General IT Services, Swisscom

The Customer.
Swisscom, a major telecommunications and IT service provider in Switzerland, has been running mainframes for over 30 years.
The company competes in an industry that is modernizing rapidly, ripe with innovation that is challenging to sustain under the restrictions of legacy technologies. Trends towards digital transformation have driven Swisscom (and its competitors) to continually refresh existing business models, and much of this transformative journey is technology-enabled.
The results.
70%
saving on annual recurring core software license
60%
cost reduction compared to previous mainframe costs
20 TB
active mainframe storage moved
Round table Q&A
Markus Tschumper, Head of General IT Services at Swisscom, speaks to LzLabs’ Dale Vecchio, Thilo Rockmann and Mark Cresswell about the company’s mainframe migration to the cloud. In this expanded discussion, learn more about the opportunities created for Swisscom, following the world’s first migration of an entire mainframe workload to the cloud, without application or data changes.
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