How to get from cloud to multi-cloud

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3 • Software engineering – TU Wien • Backend with Java and Kotlin • Frontend with Typescript and React • DevOps and Cloud platforms • Data mesh • https://www.linkedin.com/in/damjan-gjurovski- 362b3a206/ Damjan Gjurovski CTO Posedio GmbH

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HOW TO GET FROM CLOUD TO MULTI-CLOUD 4 July 2024

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5 IS THIS MULTI-CLOUD

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THE WHY 1

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7 USE THE RIGHT TOOL FOR THE JOB • Cloud providers specialize in some areas • Teams know best what they need • Unlock the full potential of your organization

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8 MANAGE RISK • Avoid Vendor lock-in • Utilize best-priced offering • Disaster recovery and business continuity FinOps Alliance - https://finopsalliance.com/wp-content/uploads/2022/05/FinOps_Shared_Responsibility_Model-2.png

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9 IT HAPPENED • Shadow IT • Difficult to recognize impact • Usually as a result of the organization ignoring the first two reasons Cisco - https://blogs.cisco.com/cloud/shadow-it-rampant-pervasive-and-explosive

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THE HOW 2

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11 BASE SETUP • Assess the organizational need • Set up conventions for naming and labeling • Aim for centralized governance and decentralized services

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12 NETWORKING • Connection to on-prem • Connection to other cloud provider • Careful with the IP range allocation

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13 SECURITY AND IAM • Principle of least privilege • Avoid long living credentials • Hook into user lifecycle management

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14 SHARED SERVICES • Let teams decide which cloud provider to use • Provide a golden path for developers • Allow easy migration between providers

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15 IS THIS MULTI- CLOUD

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16 MULTI-CLOUD GOES BOTH WAYS • Use lessons learned to improve both cloud platforms • Remember, goal is multi-cloud, not cloud replacement • Have a single cloud team to avoid silos

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17 FROM CLOUD TO MULTI-CLOUD 1 2 3 4 • Assess existing solution • Check for risks • Enable teams to make decisions • Set up new solution • Follow best practices • Don’t repeat mistakes • Ensure interoperability • It’s multi-cloud, not new cloud • Migration should be easy • Use knowledge on both sides • Improve on old solution • Share knowledge

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THANK YOU! POSEDIO GMBH +43 660 9154419 [email protected] Weyringergasse 1-3/DG, 1040 Wien, Millenium Park 4, 6980 Lustenau www.posedio.com