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loxilb is an open source cloud-native load-balancer based on GoLang/eBPF with the goal of achieving cross-compatibility across a wide range of on-prem, public-cloud or hybrid K8s environments. loxilb is being developed to support the adoption of cloud-native tech in telco, mobility, and edge computing.
Kubernetes defines many service constructs like cluster-ip, node-port, load-balancer, ingress etc for pod to pod, pod to service and outside-world to service communication.
All these services are provided by load-balancers/proxies operating at Layer4/Layer7. Since Kubernetes is highly modular, these services can be provided by different software modules. For example, kube-proxy is used by default to provide cluster-ip and node-port services. For some services like LB and Ingress, no default is usually provided.
Service type load-balancer is usually provided by public cloud-provider(s) as a managed entity. But for on-prem and self-managed clusters, there are only a few good options available. Even for provider-managed K8s like EKS, there are many who would want to bring their own LB to clusters running anywhere. Additionally, Telco 5G and edge services introduce unique challenges due to the variety of exotic protocols involved, including GTP, SCTP, SRv6, SEPP, and DTLS, making seamless integration particularly challenging. loxilb provides service type load-balancer as its main use-case. loxilb can be run in-cluster or ext-to-cluster as per user need.
