I've spent the last month designing a hybrid setup between AWS and GCP to improve cost efficiency and resilience. I'm using GCP for our data pipeline and machine learning workloads, while leveraging AWS for application hosting and general computing power. I included failover strategies and cross-region redundancy, thinking it through thoroughly. However, after presenting my design, I received common concerns: Is this setup too complex? What happens if there's an issue between the two clouds? Shouldn't I just stick with AWS? While I believe I have solid responses, I'm starting to wonder if I've made things too complicated. Is the simplicity of a single cloud worth the potential vendor lock-in and higher costs? How can I determine whether a multi-cloud approach is genuinely beneficial or just over-engineered?
5 Answers
Before going hybrid, it's best to clarify your company's needs clearly. Talk to stakeholders about whether a multi-cloud strategy is necessary for contractual, reputational, or financial reasons. This way, when you present your design, you can either justify it with solid business rationale or simplify things based on feedback.
You should only pursue multi-cloud strategies if the benefits genuinely outweigh the additional complexities. That could mean finding unique capabilities in one cloud that the other doesn’t provide, which can reduce risks or costs in specific use cases.
Honestly, multi-cloud setups are often more expensive due to the overhead in maintenance. It's crucial to factor in egress costs when you're moving data between clouds. Sometimes, sticking with one provider for all your needs is simpler and more cost-effective.
The question is whether you can afford to lose one cloud without affecting your production. If AWS experiences another major outage, is your setup resilient enough to keep running? Consider how critical the GCP components are for your workloads. The complexity needs to be justified against the importance of these connections.
It sounds like you might be complicating things a bit. Relying on two cloud providers can create dependencies that make your setup less robust. A truly resilient multi-cloud strategy should ideally allow your systems to function independently if one provider goes down, otherwise, you're just doubling your risk.

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