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DataPlane V2 Network Acceleration

Updated on 2025-02-18 GMT+08:00

DataPlane V2 can be enabled for clusters that use a Cloud Native Network 2.0. After this function is enabled, eBPF redirection will be enabled for higher performance.

DataPlane V2

Description

Technical implementation

DataPlane V2 integrates open-source Cilium to provide capabilities such as Service network acceleration and network policies.

Supported cluster versions

v1.27.16-r10, v1.28.15-r0, v1.29.10-r0, v1.30.6-r0, or later

Usage

  • When creating a CCE Turbo cluster, select Cloud Native Network 2.0 and enable DataPlane V2.
NOTICE:
  • After DataPlane V2 is enabled, secure containers (Kata Containers as the container runtime) are not supported.
  • Enabled DataPlane V2 cannot be disabled.
  • DataPlane V2 can only be enabled for new clusters.
  • After DataPlane V2 is enabled, the Guaranteed Egress Network Bandwidth capability of cloud native hybrid deployment cannot be enabled.

Supported OS

Huawei Cloud EulerOS 2.0

Accelerated data link

When a pod or node accesses the cluster IP address and external IP address of a Service, eBPF is used to directly resolve the Service address to the address of a pod at the Service backend.

Performance optimization

  • Pods or nodes use eBPF to directly access Services, eliminating the need for iptables or IPVS-based forwarding on the nodes. This greatly reduces request latency. The network performance is less affected in large-scale clusters, and the scalability is better.
  • EDT is used to limit the egress bandwidth. This makes bandwidth limitation more accurate and resource consumption lower.

Bandwidth

After DataPlane V2 network acceleration is enabled, pods on Huawei Cloud EulerOS 2.0 use EDT to limit the egress bandwidth. The ingress bandwidth limitation is not supported. In other network modes, a TBF qdisc is used to limit the bandwidth. For details, see Configuring QoS for a Pod.

NetworkPolicy

  • The implementation of network policies is different from that of container tunnel networks. For details, see Configuring Network Policies to Restrict Pod Access.
    • The IPBlock selector can only select CIDR blocks outside a cluster.
    • The IPBlock selector does not have good support for the except keyword, so this keyword is not recommended.
    • If a network policy of the egress type is used, the pod fails to access the IP addresses of the hostNetwork pod and node in the cluster.

Resource consumption

The resident cilium-agent process on each node is responsible for eBPF network acceleration. Each cilium-agent process may occupy 80 MiB of memory. Each time a pod is added, the cilium-agent memory consumption may increase by 10 KiB.

Components

After DataPlane V2 is enabled, components listed in the following table are installed.

Component

Description

Resource Type

cilium-operator

  • Synchronizes CRDs.
  • Removes the node.cilium.io/agent-not-ready taint of a node.
  • Tunes and recycles internal resources.

Deployment

yangtse-cilium

  • Installs the auxiliary CNI (cilium-cni) for CCE to adapt to Cilium.
  • Deploys cilium-agent.

DaemonSet

Change History

Add-on Version

Cluster Version

New Feature

Community Version

1.08

v1.27

v1.28

v1.29

v1.30

v1.31

  • Added Cloud Native Network 2.0 for CCE Turbo clusters.
  • Disabled host-based firewalls (by setting enable-host-firewall=false).
  • Disabled L7 network policies (by setting enable-l7-proxy=false).

v1.14.1

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