Confused between token ring and Ethernet?: Learn the key differences for a more efficient network

Last update: 26/04/2023
Author Sebastian Vidal

Introduction

When talking about computer networks, it is necessary to know the different technologies that exist in order to choose the most appropriate one according to the needs and characteristics of each project. In this article, we will explain the differences between two techniques widely used in local area networks: the token ring and ethernet.

Token Ring

The token ring is a network topology in which devices are connected in a closed circle, where data is transmitted in One way. To avoid collisions, a token is used, which is a data packet that indicates which device has the right to transmit at that moment. Once the device has transmitted your data, the token is sent to the next device in the ring. In short, there can only be one device transmitting data at a time in the token ring.

Advantages of the token ring

  • It is a fairly efficient technique in small networks, since it guarantees that there are no collisions or conflicts in data transmission.
  • It is very easy to determine which device is streaming and when it will end its stream.
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Disadvantages of the token ring

  • In large networks, efficiency decreases considerably. As devices are added to the ring, the wait time to transmit increases as the token must pass through all devices before you get to the one you want to transmit.
  • If a device fails or disconnects from the ring, it causes an interruption in data transmission, which can affect the entire network.

Ethernet

Ethernet is a networking technology that uses a linear bus to connect devices. In this technique, all devices have the same possibility of transmitting data and if two or more devices transmit at the same time, a collision occurs. To avoid these collisions, Ethernet uses the collision detection method (CSMA/CD), where devices listen to the bus before transmitting to ensure that there are no other device transmitting to Same time.

ethernet advantages

  • It is more efficient in large networks, since all devices have the possibility of transmitting data.
  • It is easy to implement and configure.
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Disadvantages of Ethernet

  • In networks with many devices, there is an increase in the number of collisions, which causes a decrease in the data transmission speed.
  • Devices can waste time waiting for the bus to be free to transmit their data.

Conclusion

As can be seen, both the token ring and Ethernet have their advantages and disadvantages and it is important to know them to be able to choose the most appropriate technique in each case. In small and medium networks, the token ring can be a good option, while in large networks, Ethernet is more efficient. In any case, it is essential to take into account both the needs of the project and the characteristics of each technology before making a decision.