Performance and metrics enhancements for AWS Transit Gateway and AWS Cloud WAN
Networking & Content Delivery Blog
AWS has announced performance and metrics enhancements for AWS Transit Gateway and AWS Cloud WAN in late 2024, focusing on four key improvements:
- Path MTU Discovery (PMTUD) support for IPv4 and IPv6 protocols
- Improved Appliance Mode Routing with Availability Zone (AZ) awareness
- Per-AZ Amazon CloudWatch Metrics for better network visibility
- AWS Cloud WAN Service Insertion Operational Enhancement
Key benefits include:
- Preventing packet loss by dynamically adjusting packet sizes
- More efficient routing by keeping traffic within the same AZ
- Granular network performance monitoring
- Simplified network function group expansion across regions
These enhancements aim to improve network performance, visibility, and operational efficiency for AWS customers.
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