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- QCon London 2025 Theme: Increasing adoption of multi-cloud environments to mitigate risk and address geopolitical shifts.
- Speaker and Topic: [Teena Idnani] from Microsoft guided attendees through building resilient apps across multiple cloud providers using a FinBank case study.
- Multi-Cloud Trends: 89% of organizations are leveraging multi-cloud, often with hybrid architectures.
- FinBank Scenario: Kept core banking on-premises and migrated other components like risk management to AWS and advanced analytics to Azure.
Technical Challenges and Mitigations:
- Addressing Latency: Use reliable connectivity options like Azure's ExpressRoute and AWS's Direct Connect, optimize code with compression and batch processing, and adjust timeout settings.
- Building Resilience: Implement event stores and resilience libraries like Kafka.
- Ensuring Event Ordering and Consistency: Use publisher-side sequencing and subscriber-side checks.
- Handling Duplicate Events: Implement defenses at publishing and processing stages.
- Other Critical Aspects: Focus on security and compliance, observability, and balance cloud-native and cloud-agnostic.
- Actionable Recommendations: Standardize event handling, continuously optimize, and invest in team skills.
QCon 伦敦 2025：跨多云边界的分布式事件驱动架构
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