Load-balancing router enables merging two internet connections for better bandwidth. Requires separate internet connections from ISPs. Router configuration settings must be accessed through web browser. Router must support load balancing capabilities
NGINX Plus and Open Source can load balance HTTP traffic to server groups. Upstream directive defines groups, server directives configure individual servers. Requests are proxied to groups using proxy_pass directive
Controller can be installed via Helm chart or kubectl apply with YAML manifests. Most Kubernetes clusters require no additional configuration. Helm installation creates ingress-nginx namespace if it doesn't exist
Ingress enables external access to Kubernetes services via HTTP/HTTPS. Traffic routing is controlled by rules defined in Kubernetes API. Ingress controller manages traffic, typically using load balancer
F5 iRules are scripting language for controlling network traffic on BIG-IP load balancers. Based on TCL, iRules manipulate traffic at various OSI model layers. Create configuration objects that can be attached to multiple Virtual Servers
503 indicates server temporarily unable to handle requests. Error is server-side, not related to user or internet connection. Can appear as various variations like "503 Error" or "HTTP Error 503"