Ethernet is one of the traditional technologies which is used for connecting different devices using wired cables. The network administrator is responsible for connecting the devices through LAN and WAN modes. LAN is the local area network and WAN is abbreviated as wide area networks. This technique is helpful for enabling communication between different devices using a protocol. The protocol is defined as the set of required rules or in a simple language you can say a common network language. This is the complete information related to what is ethernet.
How does Ethernet Works?
The devices which are used in an Ethernet network consist of an Ethernet card which is known as the NIC and abbreviated as a network interface controller. Such devices are known as nodes and they initiate the working by communicating with each other with the help of protocols. These nodes are applicable for communicating through frames, and some sort of information is available in chunk format so that the nodes can easily send the information in the form of short messages.
The Ethernet protocol is responsible for setting the rules for constructing frames. These frames will work to carry the information which a node will use to send it to another node. Thus, in such contexts, we can say that if the protocol is a language, then frames are called sentences. The frame consists of the destination and the source location so that it can figure out the sender and receiver information of a frame. If there are two nodes then it is not possible that both of them will have the same address. The signals should be amplified to get the best quality output. Such amplifiers are known as Repeaters or you can call them signal boosters. These are the electronic devices that help to amplify the signal and then feasible to retransmit it.
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Why is Ethernet used?
As discussed above, the main objective of Ethernet is to connect devices to form a network connection. In the earlier times, the price was an issue but when the technology-enhanced then Ethernet concept ensures the people with its sustained popularity. These techniques are used to connect network devices to the accurate router or available modems on the premises. There is the number of cables which are used as per their standards and speed quality. For example, Cat 5 cables are feasible to work with traditional and 100BASE-T Ethernet. While the Cat5e cables are good to work with GbE. At last, Cat6 supports and works well with 10GbE.
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Types of Ethernet
- 802.3ac: This cable was launched to accommodate VLAN known as Virtual LAN and priority tagging.
- 802.3af: This type of ethernet is used for PoE which is derived as Power over Ethernet. Such concepts are crucial for Wi-Fi and internet protocol telephony deployments.
- There are plenty of Ethernets available for WLAN concepts like 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, and 802.11ax.
- 802.3u is used in 100BASE-T (twisted-pair cabling), this is also called Fast Ethernet. Here, the speed of data transmission is fast i.e., 100 Mbps.
- The Gigabit Ethernet has a speed of 1000 Mbps in which the speed of each connection keeps on increasing.
- 100 BASE-T cables are used for various purposes like connecting the end-user computers and similar electronic devices. They are able to manage servers and storage. It is easy to attain a high-speed network for backbone segments.
- The networking people can use the ethernet crossover cables for establishing the connection between two devices of the same type. In this technique, there is no need to make a connection with the router or switch.
Advantages OF Ethernet:
- It is used for high-speed connection and security purposes.
- This technique is completely reliable.
- Many hospitals, company offices, and college campuses use such concepts as of their reliability.
- Excellent performance for networking.
- The price is reasonable and affordable to a common man.
- The process of data transfer is efficient without losing data quality.
Disadvantages OF Ethernet :
- Only applicable for small distance networks.
- Unable to use long cables as this will create problems like crosstalk.
- This process is not feasible to work for real-time applications.
- If there is an increased traffic volume then it will hamper the speed.
- Here, the receivers don’t provide the acknowledgment when the data packets have arrived at the reception.
- This process is difficult to troubleshoot. Because, when the problem arises, the network administrator finds it time-consuming to check which cable or node is causing a problem.
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