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Applies to SUSE CaaS Platform 4.2.4

6 Glossary

AWS

Amazon Web Services. A broadly adopted cloud platform run by Amazon.

BPF

Berkeley Packet Filter. Technology used by Cilium to filter network traffic at the level of packet processing in the kernel.

CA

Certificate or Certification Authority. An entity that issues digital certificates.

CIDR

Classless Inter-Domain Routing. Method for allocating IP addresses and IP routing.

CNI

Container Networking Interface. Creates a generic plugin-based networking solution for containers based on spec files in JSON format.

CRD

Custom Resource Definition. Functionality to define non-default resources for Kubernetes pods.

FQDN

Fully Qualified Domain Name. The complete domain name for a specific computer, or host, on the internet, consisting of two parts: the hostname and the domain name.

GKE

Google Kubernetes Engine. Manager for container orchestration built on Kubernetes by Google. Similar for example to Amazon Elastic Kubernetes Service (Amazon EKS) and Azure Kubernetes Service (AKS).

KVM

Kernel-based Virtual Machine. Linux native virtualization tool that allows the kernel to function as a hypervisor.

LDAP

Lightweight Directory Access Protocol. A client/server protocol used to access and manage directory information. It reads and edits directories over IP networks and runs directly over TCP/IP using simple string formats for data transfer.

OCI

Open Containers Initiative. A project under the Linux Foundation with the goal of creating open industry standards around container formats and runtime.

OIDC

OpenID Connect. Identity layer on top of the OAuth 2.0 protocol.

OLM

Operator Lifecycle Manager. Open Source tool for managing operators in a Kubernetes cluster.

POC

Proof of Concept. Pioneering project directed at proving the feasibility of a design concept.

PSP

Pod Security Policy. PSPs are cluster-level resources that control security-sensitive aspects of pod specification.

PVC

Persistent Volume Claim. A request for storage by a user.

RBAC

Role-based Access Control. An approach to restrict authorized user access based on defined roles.

RMT

Repository Mirroring Tool. Successor of the SMT. Helps optimize the management of SUSE Linux Enterprise software updates and subscription entitlements.

RPO

Recovery Point Objective. Defines the interval of time that can occur between to backup points before normal business can no longer be resumed.

RTO

Recovery Time Objective. This defines the time (and typically service level from SLA) with which backup relevant incidents must be handled within.

RSA

Rivest-Shamir-Adleman. Asymmetric encryption technique that uses two different keys as public and private keys to perform the encryption and decryption.

SLA

Service Level Agreement. A contractual clause or set of clauses that determines the guaranteed handling of support or incidents by a software vendor or supplier.

SMT

SUSE Subscription Management Tool. Helps to manage software updates, maintain corporate firewall policy and meet regulatory compliance requirements in SUSE Linux Enterprise 11 and 12. Has been replaced by the RMT and SUSE Manager in newer SUSE Linux Enterprise versions.

STS

StatefulSet. Manages the deployment and scaling of a set of Pods, and provides guarantees about the ordering and uniqueness of these Pods for a "stateful" application.

SMTP

Simple Mail Transfer Protocol. A communication protocol for electronic mail transmission.

TOML

Tom’s Obvious, Minimal Language. Configuration file format used for configuring container registries for CRI-O.

VPC

Virtual Private Cloud. Division of a public cloud, which supports private cloud computing and thus offers more control over virtual networks and an isolated environment for sensitive workloads.

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