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The name Kubernetes originates from the Greek κυβερνήτης (kubernḗtēs), meaning 'governor', 'helmsman' or 'pilot'. Kubernetes is often abbreviated as K8s, counting the eight letters between the K and the s (a numeronym). [6]
OpenShift is a family of containerization software products developed by Red Hat.Its flagship product is the OpenShift Container Platform — a hybrid cloud platform as a service built around Linux containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux.
In software engineering, containerization is operating-system–level virtualization or application-level virtualization over multiple network resources so that software applications can run in isolated user spaces called containers in any cloud or non-cloud environment, regardless of type or vendor. [1]
Former logo. Docker is a set of platform as a service (PaaS) products that use OS-level virtualization to deliver software in packages called containers. [5] The service has both free and premium tiers.
CNCF's Certified Kubernetes Conformance Program (KCSP) enables vendors to prove that their product and service conformant with a set of core Kubernetes APIs and are interoperable with other Kubernetes implementations. At the end of 2018, there were 76 firms that had validated their offerings with the Certified Kubernetes Conformance Program. [103]
In that case, the upper layers of the ETSI NFV MANO architecture (i.e. the NFVO and VNFM) cooperate with a container infrastructure service management (CISM) function [5] that is typically implemented using cloud-native orchestration solutions (e.g. Kubernetes). The characteristics of cloud-native network functions are: [6] [7]
Helm is a package manager for Kubernetes. [1] [2] It uses 'charts' as its package format, which is based on YAML. Helm was accepted to Cloud Native Computing Foundation on June 1, 2018 at the Incubating maturity level and then moved to the Graduated maturity level on May 1, 2020. [3]
Virtual eXtensible LAN (VXLAN) is a network virtualization technology that uses a VLAN-like encapsulation technique to encapsulate OSI layer 2 Ethernet frames within layer 4 UDP datagrams, using 4789 as the default IANA-assigned destination UDP port number, [1] although many implementations that predate the IANA assignment use port 8472.