In
telecommunications
Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of ...
, a user–network interface (UNI) is a
demarcation point
In telephony, the demarcation point is the point at which the public switched telephone network ends and connects with the customer's on-premises wiring. It is the dividing line which determines who is responsible for installation and mainte ...
between the responsibility of the service provider and the responsibility of the subscriber. This is distinct from a
network-to-network interface
In telecommunications, a network-to-network interface (NNI) is an interface that specifies signaling and management functions between two networks. An NNI circuit can be used for interconnection of signalling (e.g., SS7), Internet Protocol (IP) ( ...
(NNI) that defines a similar interface between provider networks.
Specifications defining a UNI
Metro Ethernet Forum
The
Metro Ethernet Forum
MEF, founded in 2001, is a nonprofit international industry consortium, of network, cloud, and technology providers. MEF, originally known as the Metro Ethernet Forum, was dedicated to Carrier Ethernet networks and services, and in recent years, ...
's Metro Ethernet Network UNI specification defines a bidirectional Ethernet reference point for Ethernet service delivery.
Optical Internetworking Forum
The
Optical Internetworking Forum
The Optical Internetworking Forum (OIF) is a prominent non-profit consortium that was founded in 1998. It promotes the development and deployment of interoperable computer networking products and services through implementation agreements (IAs) f ...
defines a UNI software interface for user systems to request a network connection from an
ASON
was a hereditary noble title in Japan, used mainly between the Asuka and Heian periods. At first, it was the second highest, below '' Mahito'', which was given to members of the Imperial family, but after the Heian period it became the highes ...
/
GMPLS Generalized Multi-Protocol Label Switching (GMPLS) is a protocol suite extending MPLS
Multiprotocol Label Switching (MPLS) is a routing technique in telecommunications networks that directs data from one node to the next based on labels rather th ...
control plane.
See also
*
Network termination
A Network Termination Device (NTD), network termination (NT), or NTE (for network termination equipment) is a customer-side network interface device used by the Australian National Broadband Network (NBN). Network termination devices provide m ...
External links
Metro Ethernet Forum
{{DEFAULTSORT:User-network interface
Network management