Cross-zone enabled Network Load Balancer now supports zonal shift and zonal autoshift
News
The article discusses the new support for zonal shift and zonal autoshift features on cross-zone enabled Network Load Balancers (NLBs) in AWS. This allows quickly shifting traffic away from an impaired Availability Zone (AZ) in case of failures or potential impact.
Specifically, the article covers:
- NLBs now support Amazon Application Recovery Controller's zonal shift and zonal autoshift features when enabled across zones
- Zonal shift allows manually shifting traffic away from an impaired AZ
- Zonal autoshift automatically shifts traffic away from an AZ when AWS identifies potential impact
- Enables recovering from events like bad deployments, gray failures, and AZ issues
- Requires two steps: enabling zonal shift on NLB, then triggering zonal shift/autoshift via Application Recovery Controller
- Available in all commercial and GovCloud AWS Regions
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