AXA Belgium’s Journey to Running .NET Web APIs on AWS Lambda
.NET on AWS Blog
AXA Belgium conducted a comprehensive proof of concept (PoC) to evaluate running .NET Web APIs on AWS Lambda, focusing on three key considerations:
- Minimizing development effort for migration
- Maintaining compatibility with .NET Web API standards
- Preserving application performance
Key findings from their testing include:
- Native AOT compilation in .NET 8 achieved 83% improvement in cold starts
- Potential to reduce memory allocation and save up to 50% in costs
- AWS Lambda SnapStart showed mixed performance benefits depending on implementation
- x86 architecture performed better than ARM for their specific use case
The team recommends starting with small, non-critical APIs to build confidence and gradually migrating more complex applications to serverless architectures.
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