January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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ELB
AWS provides a powerful software-based load balancer called classic load balancer. This was known as Elastic Load Balancer (ELB), which allows you to load balance network traffic to one or multiple EC2 instances. In addition, ELB can offload SSL/TLS encryption/decryption and it supports multi-availability zone.
So, why is it a classic load balancer in particular? This is because AWS introduced new types of load balancers: network load balancer (for L4) and application load balancer (for L7). Therefore, ELB became classic. However, while ELB is stable and robust, Amazon EKS will use load balancer by default, so we keep using ELB.
In the following example, an ELB is created and associated with a public subnet host, nginx (80/TCP). Because ...
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