The case’s raised edges around the camera and screen provide an additional shield against scratches and impact. The case is lightweight with a soft microfiber inner lining that adds protection to your phone without adding bulk. The ESR case is made of ultra-thin, soft leather that looks richer over time, with natural variations that make each case unique. None of these things will stop you from wirelessly charging your phone while it’s inside the case, which comes in Pink Rose, Navy Blue, and Etoff Cream. The wallet case also has a handy card holder on the inside for cash and credit cards. The full-grain leather is thin and expertly dyed to its brilliant color and is naturally waterproof. This delicately stylish flip folio case sports a sophisticated yet handcrafted look that protects your phone from bumps and shocks. It’s a sleek little number, hugging the curves of the iPhone 11 without adding bulk - and it’s wireless-charging compatible, so you won’t have to take the case off every time your phone needs juice. Also available in red or brown, its AiroShock technology provides excellent impact protection, while raised edges at the top and bottom ensure your phone screen stays safe from harm. Your phone may play a loud alarm on April 23 - here’s whyįor something a bit different, pick up this speckled black leather card case from Mous. IPhone 15: release date and price predictions, leaks, rumors, and moreĪ long-awaited Apple Pay feature is finally on your iPhone For more, see the CNI project page on GitHub. You just learned a bit about the usage of CNI for networking within Kubernetes.
There are many aspects of container orchestration and management with Kubernetes. Hence, there are multiple CNI plugins that do things differently to satisfy various use cases. And as you know, networking is a complex topic with a variety of user needs. Why are there multiple plugins?ĬNI provides the specifications for various plugins. Note: CNI plugins are executable and support ADD, DEL, CHECK, VERSION commands, as discussed above. The CNI plugin performs the required operations and reports the result.ĬNI is called twice by K8s (kubelet) to set up loopback and eth0 interfaces for a pod.The container runtime also provides related network configuration and container-specific data to the plugin.When the container runtime expects to perform network operations on a container, it (like the kubelet in the case of K8s) calls the CNI plugin with the desired command.Attempt to keep things simple and backward compatible.Defines basic execution flow and configuration format.Used by Mesos, CloudFoundry, Podman, CRI-O.These are limited functionality plugins and just for reference.
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Set of reference and example plugins - These can help you understand how to write a new plugin or how existing plugins might work.CNI specifications - Documents what the configuration format is when you call the CNI plugin, what it should do with that information, and the result that plugin should return.Interactive course: Deploy a cluster in Red Hat OpenShift Service on AWS (ROSA).Interactive course: Getting started with OpenShift.Kubernetes: Everything you need to know.ADD creates a new network interface for the container, and details of what is to be added are passed to CNI via JSON payload. The container runtime calls the CNI plugin with verbs such as ADD, DEL, CHECK, etc. The container/pod initially has no network interface. Where does CNI fit in?ĬNI is used by container runtimes, such as Kubernetes (as shown below), as well as Podman, CRI-O, Mesos, and others. It then assigns an IP address to the interface and sets up the routes consistent with the IP Address Management section by invoking the appropriate IP Address Management (IPAM) plugin. What is CNI?Ī CNI plugin is responsible for inserting a network interface into the container network namespace (e.g., one end of a virtual ethernet (veth) pair) and making any necessary changes on the host (e.g., attaching the other end of the veth into a bridge). This article de-mystifies what CNI means and does. If you have worked with Kubernetes (K8s) and tried to learn some of its inner workings, either on the job or in a training course, you must have learned a bit about Container Network Interface (CNI).
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