# destination-controller

Published articles for destination-controller.

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## 【Istio 控制面】Linkerd 对照：非 xDS 的控制面机制

DevFeed: [【Istio 控制面】Linkerd 对照：非 xDS 的控制面机制](<https://devfeed.tech/articles/istio-linkerd-xds-34002.md>)

Original publisher: [Read original article](<https://quant67.com/post/istio-xds/14-linkerd-contrast/14-linkerd-contrast.html>)

Author: Liao Tonglang

Published: 2026-08-11T00:00:00Z

Content type: article

Language: zh

Sources: [土法炼钢 - 系统与基础设施](<https://devfeed.tech/sources/source-4.md>)

Topics: [istio](<https://devfeed.tech/topics/istio.md>), [linkerd](<https://devfeed.tech/topics/linkerd.md>), [API](<https://devfeed.tech/topics/api.md>), [proxy](<https://devfeed.tech/topics/proxy.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [control-plane](<https://devfeed.tech/tags/control-plane.md>), [destination-controller](<https://devfeed.tech/tags/destination-controller.md>), [envoy](<https://devfeed.tech/tags/envoy.md>), [go](<https://devfeed.tech/tags/go.md>), [identity](<https://devfeed.tech/tags/identity.md>), [istio](<https://devfeed.tech/tags/istio.md>), [istiod](<https://devfeed.tech/tags/istiod.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [mechanism-comparison](<https://devfeed.tech/tags/mechanism-comparison.md>), [network](<https://devfeed.tech/tags/network.md>), [policy](<https://devfeed.tech/tags/policy.md>), [proxy](<https://devfeed.tech/tags/proxy.md>), [route](<https://devfeed.tech/tags/route.md>), [rust](<https://devfeed.tech/tags/rust.md>), [service](<https://devfeed.tech/tags/service.md>), [serviceaccount](<https://devfeed.tech/tags/serviceaccount.md>), [sidecar](<https://devfeed.tech/tags/sidecar.md>), [xds](<https://devfeed.tech/tags/xds.md>)

### AI overview

This article compares Linkerd's control-plane architecture with Istio's istiod and xDS model. It describes Linkerd's separately deployed destination, identity, and proxy-injector components; its proxy-specific gRPC APIs; and its CSR-based identity issuance, contrasting these with Istio's consolidated control plane and xDS/SDS resource model. It explicitly avoids declaring either system superior without workload-specific evidence.

### Source excerpt

以官方文档为准，对照 Linkerd destination/identity 控制面与 Istio istiod/xDS 的机制差异：资源模型、订阅形状、身份签发路径；只讲机制边界，不判定优劣。