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authorGeorg Kunz <georg.kunz@ericsson.com>2016-08-11 10:02:29 +0200
committerGeorg Kunz <georg.kunz@ericsson.com>2016-10-31 21:07:25 +0000
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-.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-.. http://creativecommons.org/licenses/by/4.0
-
-**Definition of terms**
-
-Different standards developing organizations and communities use different
-terminology related to Network Function Virtualization, Cloud Computing, and
-Software Defined Networking. This list defines the terminology in the contexts
-of this document.
-
-
-.. glossary::
-
- API
- Application Programming Interface.
-
- Cloud Computing
- A model that enables access to a shared pool of configurable computing
- resources, such as networks, servers, storage, applications, and
- services, that can be rapidly provisioned and released with minimal
- management effort or service provider interaction.
-
- Edge Computing
- Edge computing pushes applications, data and computing power (services)
- away from centralized points to the logical extremes of a network.
-
- Instance
- Refers in OpenStack terminology to a running VM, or a VM in a known
- state such as suspended, that can be used like a hardware server.
-
- NFV
- Network Function Virtualization.
-
- NFVI
- Network Function Virtualization Infrastructure. Totality of all hardware
- and software components which build up the environment in which VNFs are
- deployed.
-
- SDN
- Software-Defined Networking. Emerging architecture that decouples the
- network control and forwarding functions, enabling the network control
- to become directly programmable and the underlying infrastructure to be
- abstracted for applications and network services.
-
- Server
- Computer that provides explicit services to the client software running
- on that system, often managing a variety of computer operations. In
- OpenStack terminology, a server is a VM instance.
-
- vForwarder
- vForwarder is used as generic and vendor neutral term for a software
- packet forwarder. Concrete examples includes OpenContrail vRouter,
- OpenvSwitch, Cisco VTF.
-
- VIM
- Virtualized Infrastructure Manager. Functional block that is responsible
- for controlling and managing the NFVI compute, storage and network
- resources, usually within one operator's Infrastructure Domain, e.g.
- NFVI Point of Presence (NFVI-PoP).
-
- Virtual network
- Virtual network routes information among the network interfaces of VM
- instances and physical network interfaces, providing the necessary
- connectivity.
-
- VM
- Virtual Machine. Virtualized computation environment that behaves like a
- physical computer/server by modeling the computing architecture of a
- real or hypothetical computer.
-
- VNF
- Virtualized Network Function. Implementation of an Network Function
- that can be deployed on a Network Function Virtualization
- Infrastructure (NFVI).
-
- WAN
- Wide Area Network.