Request Forwarding

It specifies the service forwarding modes. Two service forwarding modes are available:

• iptables: traditional kube-proxy mode, which uses iptables rules to implement service load balancing. In this mode, too many iptables rules will be generated when many Services are deployed. Additionally, non-incremental updates will cause latency and obvious performance issues in the case of heavy service traffic.
• ipvs: optimized kube-proxy mode with higher throughput and faster speed. This mode supports incremental updates and maintains uninterrupted connections during Service updates. It is suitable for large-sized clusters.

Value Range

iptables or ipvs

Default Value

None

Modifiable

No. This parameter can only be configured during initialization.

Scope

CCE standard and CCE Turbo clusters

Suggestions

Select a forwarding mode based on the estimated number of Services used by clusters. If there are a great number of Services in use, set the parameter to ipvs.