What is the difference between uni and nni

Hi there! A UNI is used for the user-side configuration of the Ethernet service. A UNI can receive multiple services. An NNI is used for the network-side configuration of the Ethernet service. Thank you! Like 3 Dislike 0 Favorite 0 Share Report.

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All operations performed using your account will be regarded as your own actions and all consequences arising therefrom will be borne by you. An NNI circuit can be used for interconnection of signalling e. A wireless router connects directly to a modem by a cable.

This allows it to receive information from — and transmit information to — the internet. The router then creates and communicates with your home Wi-Fi network using built-in antennas. As a result, all of the devices on your home network have internet access.

But since the switch does not have the capability to assign IP addresses, the computers connected to it will not be able to communicate with each other. You need to assign a static IP address to your computers. Your WAN port hooks up to your modem which, again, is what connects to the internet , while the LAN ports hook up to your computers and other clients. Most routers have four WAN ports. Serial: Connects a modem or other serial device to allow a WAN network interface to be used on the router.

Console: Serial configuration port for command-line access to router management and configuration. The latest network cabling standard currently in use is CAT6, which is designed to be faster and more reliable than CAT5e. It uses packet switching with fixed length packets of 53 bytes. ATM uses virtual circuits VC s. In the case of ATM networks, the routing decision is made for the first cell in a flow and a connection is established.

ATM uses both switching and multiplexing, and it can provide very high bandwidth with few delays. Instead of using frames like Ethernet uses, ATM uses byte, fixed-size cells. Fixed packet size. By using small fixed length cells the ATM becomes so efficient that it can offer a constant data rate even though it is using packet switching techniques. Cell: ATM uses fixed length of packets that are known as cell. In this Header is 5 bytes long and 48 bytes are reserved to carry the data.

ATM stands for Asynchronous Transfer Mode, is a high-speed, broadband transmission data communication technology based on packet switching, which is used by telcos, long distance carriers, and campus-wide backbone networks to carry integrated data, voice, and video information. A datagram is a basic transfer unit associated with a packet-switched network.

Datagrams are typically structured in header and payload sections. Datagrams provide a connectionless communication service across a packet-switched network.