# linkerd

Published articles for linkerd.

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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。

## Service Mesh Architecture: Sidecar Overhead, Istio, and Alternatives Without Sidecars

DevFeed: [Service Mesh Architecture: Sidecar Overhead, Istio, and Alternatives Without Sidecars](<https://devfeed.tech/articles/service-mesh-sidecar-sidecar-33975.md>)

Original publisher: [Read original article](<https://quant67.com/post/architecture/76-service-mesh/service-mesh.html>)

Author: Liao Tonglang

Published: 2026-04-13T00:00:00Z

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: [Architecture & Design](<https://devfeed.tech/topics/architecture-design.md>), [istio](<https://devfeed.tech/topics/istio.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Cilium](<https://devfeed.tech/topics/cilium.md>), [eBPF](<https://devfeed.tech/topics/ebpf.md>), [linkerd](<https://devfeed.tech/topics/linkerd.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [cilium](<https://devfeed.tech/tags/cilium.md>), [ebpf](<https://devfeed.tech/tags/ebpf.md>), [envoy](<https://devfeed.tech/tags/envoy.md>), [istio](<https://devfeed.tech/tags/istio.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [observability](<https://devfeed.tech/tags/observability.md>), [proxy](<https://devfeed.tech/tags/proxy.md>), [security](<https://devfeed.tech/tags/security.md>), [service-mesh](<https://devfeed.tech/tags/service-mesh.md>), [sidecar](<https://devfeed.tech/tags/sidecar.md>), [tls](<https://devfeed.tech/tags/tls.md>)

### AI overview

This article explains the core problems addressed by service meshes and examines the Sidecar architecture, including traffic interception, proxy processing, Envoy's xDS configuration model, and Istio's istiod control plane. It focuses on the performance and operational overhead of Sidecars and compares them with approaches such as Cilium's eBPF-based implementation and Istio Ambient Mesh.

### Source excerpt

2023 年，某头部电商平台在全量接入 Istio 后发现：每个 Pod 的内存占用增加了 40-70 MB，p99 延迟从 12 ms 上升到 18 ms，整个集群每月多出数万美元的计算成本。这并非个例。CNCF 2024 年度调查显示，超过 60% 的受访企业已在生产环境中使用或评估服务网格（Service Mes...

## wasmCloud at KubeCon + CloudNativeCon NA 2025

DevFeed: [wasmCloud at KubeCon + CloudNativeCon NA 2025](<https://devfeed.tech/articles/wasmcloud-at-kubecon-cloudnativecon-na-2025-15447.md>)

Original publisher: [Read original article](<https://wasmcloud.com/blog/wasmcloud-at-kubecon-cloudnativecon-na-2025/>)

Author: Eric Gregory

Published: 2025-11-05T00:00:00Z

Content type: news

Language: en

Sources: [wasmCloud Blog](<https://devfeed.tech/sources/wasmcloud-blog.md>)

Topics: [Cloud](<https://devfeed.tech/topics/cloud.md>), [Cloud Native Ecosystem](<https://devfeed.tech/topics/cloud-native-ecosystem.md>), [Orchestration](<https://devfeed.tech/topics/orchestration.md>), [Instrumentation](<https://devfeed.tech/topics/instrumentation.md>), [linkerd](<https://devfeed.tech/topics/linkerd.md>), [webgpu](<https://devfeed.tech/topics/webgpu.md>), [GitOps](<https://devfeed.tech/topics/gitops.md>)

Tags: [cloud-native](<https://devfeed.tech/tags/cloud-native.md>), [gitops](<https://devfeed.tech/tags/gitops.md>), [instrumentation](<https://devfeed.tech/tags/instrumentation.md>), [kubecon](<https://devfeed.tech/tags/kubecon.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [maintainers](<https://devfeed.tech/tags/maintainers.md>), [talks](<https://devfeed.tech/tags/talks.md>), [wasi](<https://devfeed.tech/tags/wasi.md>), [wasmcloud](<https://devfeed.tech/tags/wasmcloud.md>), [webgpu](<https://devfeed.tech/tags/webgpu.md>)

### AI overview

wasmCloud announces its presence at KubeCon + CloudNativeCon NA 2025 in Atlanta, including a project kiosk and maintainer and contributor presentations on service meshes, Wasm instrumentation, WASI WebGPU, GitOps with Wasm workloads, and related topics.

### Source excerpt

Meet wasmCloud at KubeCon + CloudNativeCon NA 2025 in Atlanta: project booth, maintainer talks on service meshes, WASI WebGPU, GitOps, and more.

## New Chainguard Images December 2024: Adoptium, AWX, CouchDB

DevFeed: [New Chainguard Images December 2024: Adoptium, AWX, CouchDB](<https://devfeed.tech/articles/new-chainguard-images-december-2024-adoptium-awx-couchdb-13175.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/new-chainguard-images-december-2024-adoptium-awx-couchdb>)

Published: 2025-01-16T00:00:00Z

Content type: release

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [Adoptium](<https://devfeed.tech/topics/adoptium.md>), [openjdk](<https://devfeed.tech/topics/openjdk.md>), [Ansible](<https://devfeed.tech/topics/ansible.md>), [Java](<https://devfeed.tech/topics/java.md>), [NoSQL](<https://devfeed.tech/topics/nosql.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Erlang](<https://devfeed.tech/topics/erlang.md>), [.NET MAUI](<https://devfeed.tech/topics/net-maui.md>), [Process](<https://devfeed.tech/topics/process.md>)

Tags: [adoptium](<https://devfeed.tech/tags/adoptium.md>), [ansible](<https://devfeed.tech/tags/ansible.md>), [apache](<https://devfeed.tech/tags/apache.md>), [awx](<https://devfeed.tech/tags/awx.md>), [chainguard](<https://devfeed.tech/tags/chainguard.md>), [chainguard-images](<https://devfeed.tech/tags/chainguard-images.md>), [container-images](<https://devfeed.tech/tags/container-images.md>), [couchdb](<https://devfeed.tech/tags/couchdb.md>), [erlang](<https://devfeed.tech/tags/erlang.md>), [helm](<https://devfeed.tech/tags/helm.md>), [java](<https://devfeed.tech/tags/java.md>), [jdk](<https://devfeed.tech/tags/jdk.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [net-11](<https://devfeed.tech/tags/net-11.md>), [nosql](<https://devfeed.tech/tags/nosql.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [opentofu](<https://devfeed.tech/tags/opentofu.md>)

### AI overview

Chainguard describes its December 2024 batch of 39 new Chainguard Images, highlighting images for Adoptium, AWX, and Apache CouchDB. The article notes FIPS-enabled variants and summarizes the intended uses and image characteristics.

### Source excerpt

Chainguard released several new images in December 2024, including images for Adoptium, AWX, CouchDB, and others. Check out the full list.

## New Chainguard Images October 2024: Swift, Dart, and more

DevFeed: [New Chainguard Images October 2024: Swift, Dart, and more](<https://devfeed.tech/articles/new-chainguard-images-october-2024-swift-dart-and-more-13180.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/new-chainguard-images-october-2024-swift-dart-and-more>)

Published: 2024-11-14T00:00:00Z

Content type: release

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [chainguard images](<https://devfeed.tech/topics/chainguard-images.md>), [container images](<https://devfeed.tech/topics/container-images.md>), [Swift](<https://devfeed.tech/topics/swift.md>), [Dart](<https://devfeed.tech/topics/dart.md>)

Tags: [chainguard](<https://devfeed.tech/tags/chainguard.md>), [chainguard-images](<https://devfeed.tech/tags/chainguard-images.md>), [container-images](<https://devfeed.tech/tags/container-images.md>), [cve](<https://devfeed.tech/tags/cve.md>), [dart](<https://devfeed.tech/tags/dart.md>), [fips](<https://devfeed.tech/tags/fips.md>), [jaeger](<https://devfeed.tech/tags/jaeger.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [swift](<https://devfeed.tech/tags/swift.md>), [zero-cves](<https://devfeed.tech/tags/zero-cves.md>)

### AI overview

Chainguard's October 2024 update announces 126 new CVE-free container images, including offerings for Swift, Dart, Linkerd, and Jaeger, along with new FIPS-enabled images and a notice about upcoming Developer tier changes.

### Source excerpt

Go over all the new Chainguard container images released in October, including new offerings for Swift, Dart, Linkerd, Jaeger, and more.

## Spotlight on CNCF Deaf and Hard-of-hearing Working Group (DHHWG)

DevFeed: [Spotlight on CNCF Deaf and Hard-of-hearing Working Group (DHHWG)](<https://devfeed.tech/articles/spotlight-on-cncf-deaf-and-hard-of-hearing-working-group-dhhwg-17582.md>)

Original publisher: [Read original article](<https://www.kubernetes.dev/blog/2024/09/30/cncf-deaf-and-hard-of-hearing-working-group-spotlight/>)

Author: The Kubernetes Authors

Published: 2024-09-30T00:00:00Z

Content type: article

Language: en

Sources: [Kubernetes Contributors Blog](<https://devfeed.tech/sources/kubernetes-contributors-blog.md>)

Topics: [User interface design](<https://devfeed.tech/topics/ui-design.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Kubernetes](<https://devfeed.tech/topics/kubernetes.md>), [Cloud Native Ecosystem](<https://devfeed.tech/topics/cloud-native-ecosystem.md>), [Maintainers](<https://devfeed.tech/topics/maintainers.md>), [linkerd](<https://devfeed.tech/topics/linkerd.md>)

Tags: [accessibility](<https://devfeed.tech/tags/accessibility.md>), [diversity](<https://devfeed.tech/tags/diversity.md>), [inclusion](<https://devfeed.tech/tags/inclusion.md>), [inclusive](<https://devfeed.tech/tags/inclusive.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [linkerd](<https://devfeed.tech/tags/linkerd.md>), [maintainers](<https://devfeed.tech/tags/maintainers.md>), [open-source](<https://devfeed.tech/tags/open-source.md>)

### AI overview

An interview with Catherine Paganini explores the CNCF Deaf and Hard-of-Hearing Working Group, its role in improving inclusion and accessibility, and pathways for people with disabilities to contribute to cloud native open-source projects such as Kubernetes.

### Source excerpt

In recognition of Deaf Awareness Month and the importance of inclusivity in the tech community, we are spotlighting Catherine Paganini , facilitator and one of the founding members of CNCF Deaf and Hard-of-Hearing Working Group (DHHWG). In this interview, Sandeep Kanabar , a deaf member of the DHHWG and part of the Kubernetes SIG ContribEx Communications team , sits down with Catherine to explore the impact of the DHHWG on cloud native projects like Kubernetes. Sandeep's journey is a testament to the power of inclusion. Through his involvement in the DHHWG, he connected with members of the Kubernetes community who encouraged him to join SIG ContribEx - the group responsible for sustaining the Kubernetes contributor experience. In an ecosystem where open-source projects are actively seeking contributors and maintainers, this story highlights how important it is to create pathways for underrepresented groups, including those with disabilities, to contribute their unique perspectives and skills. In this interview, we delve into Catherine's journey, the challenges and triumphs of establishing the DHHWG, and the vision for a more inclusive future in cloud native. We invite Kubernetes contributors, maintainers, and community members to reflect on the significance of empathy, advocacy, and community in fostering a truly inclusive environment for all, and to think about how they can support efforts to increase diversity and accessibility within their own projects. Introduction Sandeep Kanabar (SK): Hello Catherine, could you please introduce yourself, share your professional background, and explain your connection to the Kubernetes ecosystem? Catherine Paganini (CP): I'm the Head of Marketing at Buoyant , the creator of Linkerd , the CNCF-graduated service mesh, and 5th CNCF project. Four years ago, I started contributing to open source. The initial motivation was to make cloud native concepts more accessible to newbies and non-technical people. Without a technical backgrou