kube-vip vs Progress Kemp LoadMaster

kube-vip is free, open-source software that gives Kubernetes clusters a virtual IP and load balancing for control-plane traffic and LoadBalancer Services. It targets Linux, self-hosted deployments such as bare metal, on-premises systems, virtualization, and edge devices including ARM hardware and Raspberry Pi. Virtual IPs may be IPv4, IPv6, or DNS names. Networking modes are ARP, BGP, routing tables, and WireGuard; the documented modes are disjunctive, so only one can be enabled at a time. kube-vip can run as a static Pod or DaemonSet inside the cluster it serves. Control-plane options include leader election, kubeadm static Pods, and K3s or other distribution DaemonSets. Service support includes BGP across nodes, address pools, CIDR or ranges, DHCP, and UPnP. It uses Apache-2.0 licensing and provides Layer 4 routing, not Layer 7 routing.

Progress Kemp LoadMaster is an application delivery controller and server load balancer for managing application and user traffic. Its routing and delivery features include Layer 4 and Layer 7 balancing, persistence, health checks, SSL acceleration and offloading, and rule-based content switching. An integrated WAF covers protections such as OWASP Top Ten risks, SQL injection, cross-site scripting, and denial of service; other access controls include reverse proxy, single sign-on, pre-authentication, dual-factor authentication, IPS, and SSL bridging. GEO policies can direct clients to datacenters by location or proximity and support failover and failback. Progress offers hardware, virtual, and cloud forms, with on-premises and cloud deployment options. Cloud licenses can be pay-per-use, charged only for usage consumed, or perpetual BYOL. The temporary trial costs nothing for 30 days on the VLM-MAX model with Enterprise Plus Support, including ESP, WAF, and GEO. When that license expires, LoadMaster ceases to function; some features may also be lost if a permanent license has a different support tier.