Why a physical ring topology does not require terminators?

Because In a ring topology, each node is connected to the two nearest nodes to forms a circle. Each workstation responds to packets addressed to it and then forwards the other packets to the next. So the ring networks do not require terminators because it has no "ends", and because data stop at their destination. Mostly twisted-pair or fiber-optic cabling is used as the physical medium.

In Ring Topology, all the nodes are connected to each-other in ring in such a way that they make a closed loop so there is no place of end terminator in this ring fashion.

Cheers!

Yes, both answers by Afsheen Atif  and Rameez are right!

In a Ring Topology, all the nodes are connected from both sides so there is no end that should be terminated by a terminator.

In communication networks, a topology is a usually schematic description of the arrangement of a network, including its nodes and connecting lines. There are two ways of defining network geometry: the physical topology and the logical (or si...

The physical topology of a network is the actual geometric layout of workstations. There are several common physical topologies, as described below and as shown in the illustration.

In the bus network topology, every workstation is connected to a main cable called the bus. Therefore, in effect, each workstation is directly connected to every other workstation in the network.

In the star network topology, there is a central computer or server to which all the workstations are directly connected. Every workstation is indirectly connected to every other through the central computer.

In the ring network topology, the workstations are connected in a closed loop configuration. Adjacent pairs of workstations are directly connected. Other pairs of workstations are indirectly connected, the data passing through one or more intermediate nodes.

If a Token Ring protocol is used in a star or ring topology, the signal travels in only one direction, carried by a so-called token from node to node.

The mesh network topology employs either of two schemes, called full mesh and partial mesh. In the full mesh topology, each workstation is connected directly to each of the others. In the partial mesh topology, some workstations are connected to all the others, and some are connected only to those other nodes with which they exchange the most data.

The tree network topology uses two or more star networks connected together. The central computers of the star networks are connected to a main bus. Thus, a tree network is a bus network of star networks.

Logical (or signal) topology refers to the nature of the paths the signals follow from node to node. In many instances, the logical topology is the same as the physical topology. But this is not always the case. For example, some networks are physically laid out in a star configuration, but they operate logically as bus or ring networks.

This is because all of the devices (computers) are connected as a ring.

A token ring topology has a token that passes the devices in a circular way. This token carries messages from a computer then goes in a circular way until it finds the intended recipient.

If we have, for example,4 computers, the token goes to com1 then to com2 then to com3 then to com4 and then com1 and so on. Let's say com1 would like to send a message to com4, it gets the token then puts a message in it. This token then goes to com2 but doesn't give it the message because it is not the intended recipient. The same happens to com3 but com4 will receive the message.

The ring topology is connected as a start topology but with a "logical ring" topology. You can look at the token ring topology as a circular linked list in computer programming where the last element refers to the1st element and the first element refers to the second elements and so on.

In case of ring topology data flow through circle or ring in one direction as node is arranged in ring .data flows continuously .

very well defined by Rameez Zubair

In a ring network layout, all of the computers are connected to one another in a circle. The data passes from one computer to the next one and then all the way around the ring layout until it reaches the destination computer.