Services : Virtual IPs and service proxies
Every node in a Kubernetes cluster runs a kube-proxy. kube-proxy is responsible for implementing a form of virtual IP for Services of type other than ExternalName.
Proxy-mode: userspace :
Proxy-mode : iptables
Proxy-mode : ipvs
In this mode, kube-proxy watches Kubernetes Service and Endpoints, calls netlink interface to create ipvs rules accordingly and syncs ipvs rules with Kubernetes with the expectation.
ipvs provides more option for load balancing algorithm, such as :
Every node in a Kubernetes cluster runs a kube-proxy. kube-proxy is responsible for implementing a form of virtual IP for Services of type other than ExternalName.
Proxy-mode: userspace :
Proxy-mode : iptables
Proxy-mode : ipvs
In this mode, kube-proxy watches Kubernetes Service and Endpoints, calls netlink interface to create ipvs rules accordingly and syncs ipvs rules with Kubernetes with the expectation.
ipvs provides more option for load balancing algorithm, such as :
- rr : round-robin
- Ic : least connection
- dh : destination hashing
- sh : source hashing
- sed : shortest expected delay
- nq : never queue
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