Failover Concept

A plan or strategy designed to ensure the availability and continuity of a system or service in the event of a failure or disruption. external-link

FAIR dataset

The 'FAIR Guiding Principles for scientific data management and stewardship' were released in the journal Scientific Data in 2016. The authors' objective was to establish a set of guidelines that could enhance the discoverability, accessibility, interoperability, and reusability of digital assets. external-link

Fast Data

Real-time or near real-time data processing and analysis, typically characterized by high velocity, large volumes, and variety of data. external-link

Fault Detection and Exclusion

The process of identifying and isolating faults or anomalies in a system or process to prevent them from affecting the overall performance or functionality. external-link

FC Business Partner Digital Division

Refers to a business partner within the digital division of a company, specifically related to the FC (Finance and Controlling) functions. external-link

Feature gate

Feature gates in Kubernetes are a collection of keys (strings with no specific meaning) that allow you to manage which features are enabled or disabled in your cluster. To enable or disable these features, you can use the --feature-gates flag on the command line for each Kubernetes component. Each component has its own set of relevant feature gates that can be enabled or disabled. The Kubernetes documentation provides a comprehensive list of current feature gates and their associated functionalities. external-link

Federal Commissioner for Data Protection and Freedom of Information.

The Federal Commissioner for Data Protection and Freedom of Information is a governmental position responsible for safeguarding data protection and promoting freedom of information in a country. This independent authority oversees the enforcement and compliance of data protection laws, ensuring that individuals' personal data is collected, processed, and used lawfully and securely. The Commissioner also promotes transparency and accessibility of public information, advocating for the right to access government-held information. They play a vital role in protecting individuals' privacy rights, regulating data handling practices, and ensuring government transparency and accountability in matters related to data protection and freedom of information. external-link

Federal Communications Commission

An independent US agency that is responsible for regulating radio services and serves as a certification body for communication equipment. external-link

Federal IT cooperation

A cross-border initiative aimed at the structured analysis and promotion of cooperation in the field of administration and interoperability of IT systems at various levels. external-link

Federated Catalogue

The Federated Catalogue is a service provided within the Gaia-X Federation. Its purpose is to facilitate the discovery and selection of Service Providers and Service Offerings within the Gaia-X Ecosystem. external-link

Federated Trust Component

One of the components of the Federation Service is to ensure trust and reliability between Gaia-X and the interacting Identity System of the Participant. This component verifies the identity of the involved Participants to ensure that Gaia-X Participants are who they claim to be. external-link


A Federation is a collection of actors that interact with each other to consume, produce, or provide Assets and related Resources, either directly or indirectly. These Federations operate independently from other Federations. external-link

Federation (principle)

Technically, the federation allows for the establishment of connections and a network of confidence among various entities in the ecosystem(s). external-link

Federation Services

The Central Gaia-X Federation Services (FS) are essential for initiating a concrete Gaia-X operation, establishing the Gaia-X ecosystem based on these services, and facilitating the coordinated provision of Infrastructure Services, Interconnection Services, and Dataspace Services. external-link


Federators are individuals or entities selected within the federation to manage specific types of Federation Services. Each Federator is responsible for overseeing a particular set of Federation Services and is independent from other Federators within the same federation. Depending on the needs of the federation, there may be one or more Federators assigned to each type of Federation Service. external-link

Fiber To The Building/Basement

A connection using fiber optic cable to the building is referred to as "Fiber to the Building" (FTTB). Depending on how close the DSLAM (Digital Subscriber Line Access Multiplexer) is to the subscriber, the connection is referred to as "Fiber to the Curb" (FTTC) or "Fiber to the Node" (FTTN). In the case of FTTB, the DSLAM is located in the basement of a multi-family building. external-link

Fibre To The x

Fiber optic connection up to/in x enables a direct connection of fiber optic cables up to or into x. Here, x can refer to various components such as household, distribution node, building, etc. external-link


Fieldbus systems are components of automation technology that enable the networking of individual components such as sensors and actuators, both among themselves and with higher-level control and regulation systems. external-link


Finalizers are keys that you can add to Kubernetes objects to instruct the system to wait until certain conditions are met before deleting the objects. They are used to ensure that the objects are cleaned up correctly and that any dependent resources are also deleted. When you delete an object with finalizers, Kubernetes marks the object for deletion and enters a terminating state. The control plane and other components then execute any actions defined by the finalizers. Once these actions are complete, the finalizers are removed, and Kubernetes deletes the object. Finalizers are useful for controlling the garbage collection of resources, allowing you to clean up related resources or infrastructure before deleting the target resource. external-link

Flash File System

We are talking about file systems that have been specially developed for data carriers based on flash memory. These file systems are adapted to the special properties of such data carriers. external-link

Flash memory

Digital memory chips that enable non-volatile storage while consuming low energy. external-link


Flexibility refers to the ability to respond promptly to various requirements. In modular production, flexibility can occur at different points. For example, there can be flexibility in production, within a module, or related to tasks. Quantity flexibility is the ability to quickly vary the output quantity. Production flexibility involves changing the type within an existing part mix, while product flexibility involves adding new parts to the part mix. Flexibility related to system design includes machine flexibility, material handling flexibility, process flexibility, and extension flexibility. Operational flexibility relates to the variety of possible production methods, while routing flexibility refers to the variety of possible routes through a production system for consistent results.

Catena-X Automotive Network e.V.

Flexibility markets

Flexibility markets provide automated control mechanisms in electricity networks for businesses, commercial customers, and households, enabling them to respond to signals such as generation conditions, network load, or price fluctuations. external-link


FlexVolume was an interface for creating external volume plugins in Kubernetes. However, it has been deprecated and replaced by the Container Storage Interface (CSI), which addresses several issues with FlexVolume. FlexVolumes required root access to install driver binaries and dependencies on host machines, and it was challenging to maintain them. In contrast, CSI drivers provide a standardized API, are more flexible, and more manageable. Therefore, the Kubernetes Storage Special Interest Group (SIG) suggests implementing CSI drivers instead of FlexVolumes. More information about FlexVolume can be found in the Kubernetes documentation, and the Volume Plugin FAQ for Storage Vendors provides additional details. external-link

Floating Car Data

FCD technology, also known as Floating Car Data, is used in the automotive industry as a telematics service. It uses vehicles as mobile collection units to determine traffic data. external-link

Fork (GitHub)

Anyone can start their own branch of a Git repository, also known as a "fork," as all public Git projects are licensed under an open-source license. This way, everyone can work independently on a project and create their own version before bringing it back into the original project by making a "pull request." Alternatively, one can distribute a standalone version of the project. external-link


"Free Open Source Software" as in Wikipedia Foss First is an architectural principle for C-X shared services.

Catena-X Automotive Network e.V.

Frequency division duplex

A technique in mobile communications that utilizes paired frequency ranges within a band for both the transmit and receive directions. external-link

Full Disk Encryption

Disk encryption or hard disk encryption is a technology used to encrypt data on a storage device, using sophisticated mathematical algorithms. Encrypted data on a hard drive can only be accessed with a special key or password, preventing unauthorized access. This provides an additional layer of security against malicious hackers and other threats from the internet or network. external-link

Full Service Access Network Group

FSAN is a standardization body consisting of leading network operators, equipment manufacturers, and independent testing laboratories. One of the tasks of FSAN is to define standards for GPON. external-link