AWS+Certified+Solutions+Architect+Associate+Slides (dragged).pdf

Cross-Zone Load Balancing © Digital Cloud Training | https://digitalcloud.training  Cross-Zone Load Balancing When cross-zone load balancing is enabled: Each load balancer node distributes traffic across the registered...

Cross-Zone Load Balancing © Digital Cloud Training | https://digitalcloud.training  Cross-Zone Load Balancing 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 Application Load Balancers, cross-zone load balancing is always enabled With Network Load Balancers and Gateway Load Balancers, cross- zone load balancing is disabled by default © Digital Cloud Training | https://digitalcloud.training  Cross-Zone Load Balancing - Disabled Availability Zone A Public subnet 16.6% If cross-zone load balancing is disabled: 16.6% Each of the three 16.6% ELB Node 50% targets in Availability Zone A receives 16.6% of the traffic Availability Zone B Elastic Load Each of the two Public subnet 25% Balancer targets in Availability 25% 50% Zone B receives 25% of the traffic ELB Node © Digital Cloud Training | https://digitalcloud.training  Cross-Zone Load Balancing - Enabled Availability Zone A Public subnet 20% 20% If cross-zone load 20% ELB Node 60% balancing is enabled: Each of the five targets receives 20% Availability Zone B Elastic Load of the traffic Public subnet 20% Balancer 20% 40% ELB Node © Digital Cloud Training | https://digitalcloud.training