The Multi-cloud has the multi-location advantage of provisioning load generating nodes that span beyond the limited geography of a single cloud provider (AWS, Azure, GPC etc)
Load generating architectures.
Region Specific Web Servers
With Applications that have consumers all over the globe architecting the infra on premise or even with a single cloud provider could be inefficient. A multi-cloud environment provides a stable and faster connection to the application.
Micro-services have the advantage of being completely independent blocks of functions hence the multi-cloud could have assets that are better suited for certain specialized functions.
AWS, Azure, GPC for instance could have AI and Machine learning assets and Storj could have decentralized storage.
Content Delivery Networks
Content Delivery Networks are more effective with nodes at more locations across cloud providers.
Vendor Lock-in proof Applications
Building a containerized application with components that could dynamically shift across cloud providers could be more cost effective, better performing, secure and more reliable.
AI and Machine Learning
AI and Machine learning has a vast number of functions, these functions could span across multiple cloud providers.