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linkerd VS runc

Compare linkerd VS runc and see what are their differences

linkerd logo linkerd

Linkerd is an ultralight service mesh for Kubernetes. It gives you observability, reliability, and security without requiring any code changes.

runc logo runc

CLI tool for spawning and running containers according to the OCI specification - opencontainers/runc
  • linkerd Landing page
    Landing page //
    2023-05-18
  • runc Landing page
    Landing page //
    2023-08-21

linkerd features and specs

  • Lightweight
    Linkerd is known for its minimal resource usage compared to other service meshes, making it a good choice for environments where resource constraints are a concern.
  • Ease of Use
    Designed to be user-friendly, Linkerd offers a simple installation process and an easy-to-understand interface for managing microservices.
  • High Performance
    Linkerd offers low-latency communication between services, providing efficient and high-performance service mesh functionality.
  • Security Features
    Linkerd provides built-in security features such as mTLS (mutual TLS) for service-to-service encryption, ensuring secure communications within the mesh.
  • Kubernetes Native
    Linkerd is designed to work seamlessly with Kubernetes, providing native integrations and simplifying operations for Kubernetes-based environments.

Possible disadvantages of linkerd

  • Feature Limitations
    Compared to some other service meshes, Linkerd offers fewer features and might not satisfy every use case, particularly for advanced scenarios.
  • Resource Overhead
    Although lightweight, running a service mesh introduces additional components that consume system resources, which might be a concern in very resource-constrained environments.
  • Ecosystem Maturity
    Linkerd's ecosystem and community are not as large as some other service meshes, potentially leading to fewer third-party integrations and support resources.
  • Complexity in Large Scale
    While simple for smaller deployments, managing Linkerd at scale can become complex, requiring more intricate configuration and monitoring.
  • Learning Curve
    Adopting Linkerd, like any service mesh, involves a learning curve that requires teams to understand concepts of service mesh architecture and operations.

runc features and specs

  • Standardization
    runc is part of the Open Containers Initiative (OCI), promoting standardization across container runtimes. This ensures interoperability and broad community support.
  • Lightweight
    As a lightweight and fast CLI tool, runc provides a minimal runtime for environments where resource efficiency is critical.
  • Security
    runc adheres to principles of secure software development and incorporates Linux kernel features like namespaces and cgroups to enhance security.
  • Broad Adoption
    As the reference implementation for OCI, runc is widely adopted and tested in production environments, ensuring reliability.
  • Flexibility
    runc offers the flexibility to handle low-level container configurations, making it suitable for advanced users needing granular control.

Possible disadvantages of runc

  • Complexity for Beginners
    The low-level nature of runc can be daunting for beginners who might prefer higher-level tools like Docker that abstract away complexities.
  • Minimalist Design
    While its simplicity is an advantage, runc lacks some of the advanced features and orchestration capabilities found in other container platforms.
  • Manual Configurations
    Users need to manually handle configurations, which can be error-prone and time-consuming compared to automated solutions.
  • Ecosystem Integration
    runc does not provide direct integration with tools and platforms by default, requiring additional setup for comprehensive ecosystem support.
  • Limited Features
    Compared to complete container platforms, runc offers fewer built-in features, requiring supplementary tools to achieve similar functionalities.

linkerd videos

Introduction to Linkerd for beginners | a Service Mesh

More videos:

  • Review - Deep Dive: Linkerd - Oliver Gould, Buoyant
  • Review - 60 seconds to a Linkerd service mesh on AKS | Azure Friday

runc videos

2/21/19 RunC Vulnerability Gives Root Access on Container Systems| AT&T ThreatTraq

More videos:

  • Review - Demo MONEY,TIME - RunC

Category Popularity

0-100% (relative to linkerd and runc)
Web Servers
45 45%
55% 55
Web And Application Servers
Developer Tools
51 51%
49% 49
Load Balancer / Reverse Proxy

User comments

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Social recommendations and mentions

Based on our record, linkerd should be more popular than runc. It has been mentiond 18 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

linkerd mentions (18)

  • Evaluating 2 Popular Service Meshes
    The decision to add a Service Mesh to an application comes down to how your application communicates between itself. If for instance your design is heavily asynchronous and relies on events and messages, then a service mesh isn't going to make a lot of sense. If however, you've built an application that is heavily reliant on APIs between itself, then a service mesh is a great piece of technology that can make this... - Source: dev.to / 7 months ago
  • Fastly and the Linux kernel
    The open source projects Fastly uses and the foundations we partner with are vital to Fastly’s mission and success. Here's an unscientific list of projects and organizations supported by the Linux Foundation that we use and love include: The Linux Kernel, Kubernetes, containerd, eBPF, Falco, OpenAPI Initiative, ESLint, Express, Fastify, Lodash, Mocha, Node.js, Prometheus, Jenkins, OpenTelemetry, Envoy, etcd, Helm,... - Source: dev.to / 11 months ago
  • eBPF, sidecars, and the future of the service mesh
    William: My first pick would be Linkerd. It's a must-have for any Kubernetes cluster. I then lean towards tools that complement Linkerd, like Argo and cert-manager. You're off to a solid start with these three. - Source: dev.to / 11 months ago
  • Optimal JMX Exposure Strategy for Kubernetes Multi-Node Architecture
    Leverage a service mesh like Istio or Linkerd to manage communication between microservices within the Kubernetes cluster. These service meshes can be configured to intercept JMX traffic and enforce access control policies. Benefits:. - Source: dev.to / about 1 year ago
  • Ultimate EKS Baseline Cluster: Part 1 - Provision EKS
    From here, we can explore other developments and tutorials on Kubernetes, such as o11y or observability (PLG, ELK, ELF, TICK, Jaeger, Pyroscope), service mesh (Linkerd, Istio, NSM, Consul Connect, Cillium), and progressive delivery (ArgoCD, FluxCD, Spinnaker). - Source: dev.to / almost 2 years ago
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runc mentions (11)

  • Setup multi node kubernetes cluster using kubeadm
    For kubeadm , kubetlet , kubectl should same version package in this lab I used v1.31 to have 1.31.7 References: Https://kubernetes.io/docs/reference/networking/ports-and-protocols/ Https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/ Https://github.com/opencontainers/runc/releases/... - Source: dev.to / about 2 months ago
  • Comparing 3 Docker container runtimes - Runc, gVisor and Kata Containers
    Previously I wrote about the multiple variants of Docker and also the dependencies behind the Docker daemon. One of the dependencies was the container runtime called runc. That is what creates the usual containers we are all familiar with. When you use Docker, this is the default runtime, which is understandable since it was started by Docker, Inc. - Source: dev.to / 6 months ago
  • You run containers, not dockers - Discussing Docker variants, components and versioning
    Now we have dockerd which uses containerd, but containerd will not create containers directly. It needs a runtime and the default runtime is runc, but that can be changed. Containerd actually doesn't have to know the parameters of the runtime. There is a shim process between containerd and runc, so containerd knows the parameters of the shim, and the shim knows the parameters of runc or other runtimes. - Source: dev.to / 6 months ago
  • US Cybersecurity: The Urgent Need for Memory Safety in Software Products
    It's interesting that, in light of things like this, you still see large software companies adding support for new components written in non-memory safe languages (e.g. C) As an example Red Hat OpenShift added support for crun(https://github.com/containers/crun), which is written in C as an alternative to runc, which is written in Go( - Source: Hacker News / over 1 year ago
  • Why did the Krustlet project die?
    Yeah, runtimeClass lets you specify which CRI plugin you want based on what you have available. Here's an example from the containerd documentation - you could have one node that can run containers under standard runc, gvisor, kata containers, or WASM. Without runtimeClass, you'd need either some form of custom solution or four differently configured nodes to run those different runtimes. That's how krustlet did... Source: over 2 years ago
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What are some alternatives?

When comparing linkerd and runc, you can also consider the following products

Istio - Open platform to connect, manage, and secure microservices

Docker Hub - Docker Hub is a cloud-based registry service

Apache Thrift - An interface definition language and communication protocol for creating cross-language services.

Eureka - Eureka is a contact center and enterprise performance through speech analytics that immediately reveals insights from automated analysis of communications including calls, chat, email, texts, social media, surveys and more.

SkyDNS - DNS service discovery for etcd. Contribute to skynetservices/skydns development by creating an account on GitHub.

Apache ZooKeeper - Apache ZooKeeper is an effort to develop and maintain an open-source server which enables highly reliable distributed coordination.