> For the complete documentation index, see [llms.txt](https://dev7days.gitbook.io/dev7days/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev7days.gitbook.io/dev7days/aws/elb-and-asg/cross-zone-load-balancing.md). # Cross Zone Load Balancing It is a feature of ELB that allow to distribute traffic across AZ so It will balance request to all instance in any AZ if it is enable. ### Application Load Balancer this load balancer is enable this feature by default and you do not need to pay for using. ### Network Load Balancer & Gateway Load Balancer Both of these is not enable by default and you need to pay for using.