Networking tutorial for beginer and advanced user

Ring Topology

As name says it, it’s a ring base topology in which network is like a ring. In this topology each node connects with 2 node and data pass through each node for its destination.

In ring topology each device has to wait for its turn for data transmit. Most common type in Ring topology is Token ring (IEEE 802.5).In token ring topology a token Contain the data, it reach to destination and then extract data. Empty token pass on for another device to use.

Ring Topology

 

 

Benefit of Ring Topology

1.      Data packet travel at great speed.

2.      No collision of data as data travel in one direction only

3.      Easier to fault find. If any point gets broken you can trace that easily.

4.      No terminator Required

Drawback of Ring topology

1.      In Ring topology it require more cable than bus topology

2.      A break in Ring will take the whole network down.

3.      Not very common so fewer devices are available and that too costly.

4.      Adding removing any node can affect entire network.

5.      Much slower in Ethernet network at normal load.

 Bus Topology

It is also known as linear bus topology. In this topology one main cable go to straight and other cable attach with this main cable and get connected with computer or device.

To understand this in more simpler way you can take example of government supplied water pipe line. There is only one main pipe line for your row and from that main pipe line you got one connection at your home with a small pipe.

Here the main pipe line is the main cable of your bus topology network, this main cable is also known as back bone. The small pipe that gives water supply to your home is small cable attached with main line and second side is connected with computer. This part of cable is known as segment and the each computer connected with a segment is called node.

Now you can understand that In bus topology network is maintained by a only a single cable the main backbone cable goes down entire network will be down.

Each cable segment must end with a terminator. Again same example you would not want to get your precious water in drain so their must be one tape at the end of the row. Similarly there must be one terminator at all the of a segment.

IEE Standard of bus topology is IEE 802.3

Advantage of bus topology 

1. It is inexpensive in installation

2. Adding of new stations is very much easy in bus topology

3. Bus topology require less cable then other topologies

4. Work well for small networks. 

Disadvantage of bus topology

1. Bus topologies are no more recommended any more.

2. If back bone breaks whole network goes down.

3. Limited number of device can be attached in bus topology

4. As it share only one cable for complete network so response time in network is slow comparison to other topologies.

5. No specif fault tolerance method

In todays time bus topology is no more in use in main stream line so cant give you any uses of the same

Next is Ring Topology

Network Topology

There can different meaning of topology we have to study for the same in terms of network only.

The actual layout of a network and its media is known as topology. Network Topology is classification of different network. Each topology contain a specific type of hardware, software configuration with other peripheral device.

There are multiple topology in network topology, when you decide which topology you should choose for your network then there are few basic point that you need to take care.

Factors that decide which topology you should choose.

Cost :-> cost is a factor that plays an important role for the decision of topology. If you want to create a network for 4-5 computer you would not want to expense very much in network.

Scalability:-> What is the size of the network that you need to make and is it possible in that kind of topology

Bandwidth capacity-> The required speed of the network that can be taken care by any particular topology.

Ease of installation:-> is it easy to install the network using selected topology.

Ease of fault finding and maintenance:-> If you have a network you will definitely get the problem also so will it be easy for network administrator to identify the problem and give the solution with ease and lease possible time.

Type of Topology

1. Bus

2. Ring

3. Star

4. Mesh

5. Hybrid

6. Tree Topology

I will explain each topology with advantages and disadvantage of each topology in coming posts.