What does NNI mean in Telecom?
This page is about the meanings of the acronym/abbreviation/shorthand NNI in the Computing field in general and in the Telecom terminology in particular.
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What does NNI mean?
- Network-to-network interface
- In telecommunications, a network-to-network interface is an interface that specifies signaling and management functions between two networks. An NNI circuit can be used for interconnection of signalling, Internet Protocol or ATM networks. In networks based on MPLS or GMPLS, NNI is used for the interconnection of core Provider Routers. In the case of GMPLS, the type of interconnection can vary across Back-to-Back, EBGP or mixed NNI connection scenarios, depending on the type of VRF exchange used for interconnection. In case of Back-to-Back, VRF is necessary to create VLANs and subsequently sub-interfaces on each interface used for the NNI circuit. In the case of eBGP NNI interconnection, P routers are taught how to dynamically exchange VRF records without VLAN creation. NNI also can be used for interconnection of two VoIP nodes. In cases of mixed or full-mesh scenarios, other NNI types are possible. There could be different encapsulation types for NNI interconnection, but Ethernet and frame relay are basically used.
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NNI also stands for:
- Namutoni, Namibia
- Narcolepsy Network, Inc.
- National Nanotechnology Initiative
- Native Nations Institute
- Nearest Neighbor Interactions
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