A Lemongrass success story: Enhancing Multi-Region SD-WAN failover with AWS Cloud WAN
Networking & Content Delivery Blog
This article details how Lemongrass Consulting used AWS Cloud WAN to enhance multi-Region SD-WAN failover for an enterprise customer, addressing network connectivity challenges across multiple AWS Regions.
- Initial challenge was implementing dynamic failover between SD-WAN appliances across AWS Regions
- Solution used AWS Cloud WAN to enable BGP-based dynamic routing while preserving existing Transit Gateway infrastructure
- Implementation followed a five-phase approach: • Core network setup • Network segmentation • Transit Gateway integration • SD-WAN connection migration • Production cutover and validation
- Key benefits included automatic multi-Region failover, simplified network management, and minimal disruption during migration
- Architecture supports dynamic routing between three SD-WAN appliances across different AWS Regions
The solution provides a robust, scalable network design that enables automatic regional failover and future-proofs the customer's network infrastructure.
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