Simple Notification Service (SNS)
Kinesis + MQ
Databases & Analytics
Cross Zone Load Balancing
  • The nodes for your load balancer distribute requests from clients to registered targets.
  • When cross-zone load balancing is enabled, each load balancer node distributes traffic across the registered targets in all enabled Availability Zones.
  • When cross-zone load balancing is disabled, each load balancer node distributes traffic only across the registered targets in its Availability Zone.
  • With CLBs and ALBs, cross-zone load balancing is enabled by default and for ALBs, it cannot be turned off and there are no charges for inter-AZ data transfer.
  • With NLBs, cross-zone load balancing is disabled by default. After you create the load balancer, you can enable or disable cross-zone load balancing at any time.
Last modified 11mo ago
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