What Is Network-to-Network Interface (NNI)?
Network-to-Network Interface (NNI) education sounds interesting. Let us explain everything to you. NNI serves as a conduit for information exchange between two networks. Like a club's bouncer, it verifies patrons' identities before allowing them entry. The same is true with NNI, which ensures that only approved traffic is allowed to travel between networks. Telecommunications firms rely on NNI to establish connections with other networks, such as when a customer calls a number serviced by a different carrier. The NNI facilitates communication between the two networks and data exchange between them. Let's move on to some specialized terminology. Network Name Indication (NNI) is a protocol that runs at the Network Layer (Layer 3) of the Open Systems Interconnection (OSI) model and is commonly used in Voice over Internet Protocol (VoIP) networks. It's also worth noting that NNI can accommodate various media formats, including speech, data, and video. NNI interfaces can be either "physical" or "logical," depending on the nature of the data being exchanged. Connecting two network nodes, such as routers, physically is what the term "physical NNI interface" refers to. Conversely, a logical NNI interface is a virtual link between two networks that use a protocol like Border Gateway Protocol (BGP). NNI offers benefits over other network infrastructures. One reason why this is safer is that only approved data can go between networks. It also helps save the hassle and expense of setting up multiple network connections. NNI is a crucial concept in telecommunications since it facilitates data exchange between networks. Like a club's bouncer, it checks that only permitted data can transit between networks. Network Node Identification (NNI) functions at the OSI model's Layer 3 (the Network Layer), allowing for a wide variety of communication protocols to be supported. NNI interfaces can be either "physical" or "logical," depending on the nature of the data being exchanged. NNI is used by telecom firms due to its increased security and efficiency when compared to traditional network connections.
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