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Network Topologies

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Network Topologies
NETWORK TOPOLOGIES

PRESENTED BY
Alex Daniel
Manjula
Sanjana NandaKumar
Sher Mohammed Babul
Sriram
Vamsi
Vinodhini
© 2013 Maveric Systems Limited

WHAT IS A TOPOLOGY ?

© 2013 Maveric Systems Limited

WHAT IS A TOPOLOGY ?
▸ In computer networking, topology refers to the layout of connected devices.
▸ Network topologies describe the ways in which the elements of a network are

mapped. They describe the physical and logical arrangement of the network nodes. ▸ Topology can also be defined as the geometrically interconnection pattern by which the stations are connected using suitable transmission media.

© 2013 Maveric Systems Limited

CATEGORIES OF NETWORK
TOPOLOGIES
▸ Physical Topology : The physical topology of a network refers to the configuration of cables, computers, and other peripherals

▸ Logical Topology : The logical topology shows how data flows within a network, regardless of its physical design.

© 2013 Maveric Systems Limited

Considerations When
Choosing a Topology
▸ Cost
▸ Flexibility
▸ Reliability
▸ Response Time

© 2013 Maveric Systems Limited

BUS TOPOLOGY

© 2013 Maveric Systems Limited

BUS TOPOLOGY
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▸ All the nodes (file server, workstations, and
▸

▸

peripherals) on a bus topology are connected by one single cable.
A bus topology consists of a main run of cable with a terminator at each end. All nodes (file server, workstations, and peripherals) are connected to the linear cable. Popular on LANs because they are inexpensive and easy to install.

© 2013 Maveric Systems Limited

BUS TOPOLOGY
BENEFITS

DRAWBACKS

• It is Cheap, easy to handle and implement.
• Require less cable
• It is best suited for small networks. • The cable length is limited.
This limits the number of stations that can be connected. • This network topology can perform well only for a limited number of nodes.

© 2013 Maveric Systems Limited

8

RING TOPOLOGY

© 2013 Maveric Systems Limited

RING TOPOLOGY
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References: ▸ Data Communications and Networking : Behrouz A. Forouzan, Tata MCGraw-Hill, 2nd Ed. ▸ http://en.wikipedia.org/wiki/Network_topology © 2013 Maveric Systems Limited THANK YOU QUERIES ? © 2013 Maveric Systems Limited 25
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