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-**Definition of terms**
-
-Different SDOs and communities use different terminology related to
-NFV/Cloud/SDN. This list tries to define an OPNFV terminology,
-mapping/translating the OPNFV terms to terminology used in other contexts.
-
-
-.. glossary::
-
- ACT-STBY configuration
- Failover configuration common in Telco deployments. It enables the
- operator to use a standby (STBY) instance to take over the functionality
- of a failed active (ACT) instance.
-
- Administrator
- Administrator of the system, e.g. OAM in Telco context.
-
- Consumer
- User-side Manager; consumer of the interfaces produced by the VIM; VNFM,
- NFVO, or Orchestrator in ETSI NFV [ENFV]_ terminology.
-
- EPC
- Evolved Packet Core, the main component of the core network architecture
- of 3GPP's LTE communication standard.
-
- MME
- Mobility Management Entity, an entity in the EPC dedicated to mobility
- management.
-
- 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.
-
- S/P-GW
- Serving/PDN-Gateway, two entities in the EPC dedicated to routing user
- data packets and providing connectivity from the UE to external packet
- data networks (PDN), respectively.
-
- Physical resource
- Actual resources in NFVI; not visible to Consumer.
-
- VNFM
- Virtualized Network Function Manager; functional block that is
- responsible for the lifecycle management of VNF.
-
- NFVO
- Network Functions Virtualization Orchestrator; functional block that
- manages the Network Service (NS) lifecycle and coordinates the
- management of NS lifecycle, VNF lifecycle (supported by the VNFM) and
- NFVI resources (supported by the VIM) to ensure an optimized allocation
- of the necessary resources and connectivity.
-
- 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 Machine (VM)
- Virtualized computation environment that behaves very much like a
- physical computer/server.
-
- Virtual network
- Virtual network routes information among the network interfaces of VM
- instances and physical network interfaces, providing the necessary
- connectivity.
-
- Virtual resource
- A Virtual Machine (VM), a virtual network, or virtualized storage;
- Offered resources to "Consumer" as result of infrastructure
- virtualization; visible to Consumer.
-
- Virtual Storage
- Virtualized non-volatile storage allocated to a VM.
-
- VNF
- Virtualized Network Function. Implementation of an Network Function that
- can be deployed on a Network Function Virtualization Infrastructure
- (NFVI).
-
-..
- vim: set tabstop=4 expandtab textwidth=80: