AWS provides several load balancer types that can be used in conjunction with a Kubernetes ingress, including both transport-based layer 4 (L4) and application-based layer 7 (L7) options. The choice of load balancer type is crucial as it affects how traffic is routed to the Ingress Controller, and this decision depends on four key criteria: where to terminate TLS, how to manage certificates, how to handle cleartext redirection, and how to preserve client information. L7 load balancers are able to more intelligently decide how to route requests, but are typically less efficient, while L4 load balancers are typically very efficient but can be limited in the types of traffic they can route and how intelligently they are routing requests to the Ingress Controller. The choice of load balancer type also affects how TLS certificates are managed, how cleartext redirection is handled, and whether client information is preserved.