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NETWORK TOPOLOGY
Definition of
Network Topology
Types of
Network Topology
Differentiation Between the
Types of Network Topology
CONTENT
What is a Topology ?
The physical topology of a network
refers to the configuration of cables,
computers and other peripherals.
DEFINITION
Bus network.
Ring network.
Star network.
TYPES OF NETWORK TOPOLOGY
All computers and devices
connected to central cable or bus.
Consists of a main run of cable
with a terminator at each end.
Popular on LANs because they
are inexpensive and easy to
install.
BUS TOPOLOGY
BUS TOPOLOGY
Cable forms closed ring or loop,
with all computers and devices
arranged along ring.
Data travels from device to
device around entire ring, in
one direction.
Primarily is used for LANs,
but also is used in WANs.
RING TOPOLOGY
RING TOPOLOGY
All devices connect to a
central device, called
hub.
All data transferred
from one computer to
another passes through
hub.
STAR TOPOLOGY
STAR TOPOLOGY
WHAT IS DIFFERENTIATION
BETWEEN THE THREE OF
NETWORK TOPOLOGY?
SEARCH IN THE INTERNET
DIFFERENTIATION BETWEEN THE THREE
TYPES OF NETWORK TOPOLOGY
ADVANTAGE DISADVANTAGE
1) Easy to connect computer or
peripheral to a linear bus.
1) Entire network shuts down if
there is a break in the main
cable.
2) Requires less cable length
than a star topology.
2) Terminators are required at
both ends of the backbone
cable.
3) Difficult to identify the
problem if the entire network
shuts down.
BUSBUS
DIFFERENTIATION BETWEEN THE THREE
TYPES OF NETWORK TOPOLOGY
ADVANTAGE DISADVANTAGE
1) Data is quickly transferred. 1) Data packets must pass
through every computer
between the sender and
recipient therefore, this makes
it slower.
2) The transmission of data is
relatively simple as packets
travel in one direction only.
2) If any of the nodes fail then the
ring is broken and data cannot be
transmitted successfully.
3) It is difficult to troubleshoot
the ring.
RINGRING
DIFFERENTIATION BETWEEN THE THREE
TYPES OF NETWORK TOPOLOGY
ADVANTAGE DISADVANTAGE
1) Easy to install and wire. 1) Requires more cable length
than a linear topology.
2) Security can be implemented
in the hub/switch.
2) If the hub or concentrator
fails, nodes attached are
disabled.
3) Easy to detect faults and to
remove parts.
3) More expensive than linear
bus topologies because of the
cost of the concentrators.
STARSTAR
DIFFERENTIATION BETWEEN THE THREE
TYPES OF NETWORK TOPOLOGY
DEFINITION
•All computers
and devices
connected to
central cable
DEFINITION
•All computers
and devices
connected to
central cable
BUS TOPOLOGY
ADVANTAGE
•Easy to connect a
computer or
peripheral to a linear
bus.
ADVANTAGE
•Easy to connect a
computer or
peripheral to a linear
bus.
•Requires less cable
length than
a star topology.
•Requires less cable
length than
a star topology.
DISADVANTAGE
•Entire network shuts
down if
there is a break in the
main cable.
DISADVANTAGE
•Entire network shuts
down if
there is a break in the
main cable.
•Terminators are
required at both
ends of the backbone
cable.
•Terminators are
required at both
ends of the backbone
cable.
•Difficult to identify
the problem
if the entire network
shuts down.
•Difficult to identify
the problem
if the entire network
shuts down.
SUMMARY
RING TOPOLOGY
DEFINITION
•Cable forms
closed ring or
loop, with all
computers and
devices arranged
along ring.
DEFINITION
•Cable forms
closed ring or
loop, with all
computers and
devices arranged
along ring.
ADVANTAGE
•Data is quickly
transferred without a
‘bottle neck’.
ADVANTAGE
•Data is quickly
transferred without a
‘bottle neck’.
•The transmission of
data is relatively
simple as packets
travel in one direction
only.
•The transmission of
data is relatively
simple as packets
travel in one direction
only.
DISADVANTAGE
•Data packets must pass
through every computer
between the sender and
recipient therefore, this
makes it slower.
DISADVANTAGE
•Data packets must pass
through every computer
between the sender and
recipient therefore, this
makes it slower.
•If any of the nodes fail
then the ring is broken
and data cannot be
transmitted successfully.
•If any of the nodes fail
then the ring is broken
and data cannot be
transmitted successfully.
•It is difficult to
troubleshoot
the ring.
•It is difficult to
troubleshoot
the ring.
SUMMARY
DEFINITION
•All devices
connect to a
central device,
called hub.
DEFINITION
•All devices
connect to a
central device,
called hub.
ADVANTAGE
•Easy to install and
wire.
ADVANTAGE
•Easy to install and
wire.
•Security can be
implemented
in the hub/switch.
•Security can be
implemented
in the hub/switch.
DISADVANTAGE
•Requires more cable
length
than a linear topology.
DISADVANTAGE
•Requires more cable
length
than a linear topology.
If the hub or
concentrator fails,
nodes attached are
disabled.
If the hub or
concentrator fails,
nodes attached are
disabled.
More expensive than
linear bus topologies
because of the cost of
the concentrators.
More expensive than
linear bus topologies
because of the cost of
the concentrators.
STAR TOPOLOGY
•Easy to detect faults
and to
remove parts
•Easy to detect faults
and to
remove parts
SUMMARY

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Network topology

  • 2. Definition of Network Topology Types of Network Topology Differentiation Between the Types of Network Topology CONTENT
  • 3. What is a Topology ? The physical topology of a network refers to the configuration of cables, computers and other peripherals. DEFINITION
  • 4. Bus network. Ring network. Star network. TYPES OF NETWORK TOPOLOGY
  • 5. All computers and devices connected to central cable or bus. Consists of a main run of cable with a terminator at each end. Popular on LANs because they are inexpensive and easy to install. BUS TOPOLOGY
  • 7. Cable forms closed ring or loop, with all computers and devices arranged along ring. Data travels from device to device around entire ring, in one direction. Primarily is used for LANs, but also is used in WANs. RING TOPOLOGY
  • 9. All devices connect to a central device, called hub. All data transferred from one computer to another passes through hub. STAR TOPOLOGY
  • 11. WHAT IS DIFFERENTIATION BETWEEN THE THREE OF NETWORK TOPOLOGY? SEARCH IN THE INTERNET DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY
  • 12. ADVANTAGE DISADVANTAGE 1) Easy to connect computer or peripheral to a linear bus. 1) Entire network shuts down if there is a break in the main cable. 2) Requires less cable length than a star topology. 2) Terminators are required at both ends of the backbone cable. 3) Difficult to identify the problem if the entire network shuts down. BUSBUS DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY
  • 13. ADVANTAGE DISADVANTAGE 1) Data is quickly transferred. 1) Data packets must pass through every computer between the sender and recipient therefore, this makes it slower. 2) The transmission of data is relatively simple as packets travel in one direction only. 2) If any of the nodes fail then the ring is broken and data cannot be transmitted successfully. 3) It is difficult to troubleshoot the ring. RINGRING DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY
  • 14. ADVANTAGE DISADVANTAGE 1) Easy to install and wire. 1) Requires more cable length than a linear topology. 2) Security can be implemented in the hub/switch. 2) If the hub or concentrator fails, nodes attached are disabled. 3) Easy to detect faults and to remove parts. 3) More expensive than linear bus topologies because of the cost of the concentrators. STARSTAR DIFFERENTIATION BETWEEN THE THREE TYPES OF NETWORK TOPOLOGY
  • 15. DEFINITION •All computers and devices connected to central cable DEFINITION •All computers and devices connected to central cable BUS TOPOLOGY ADVANTAGE •Easy to connect a computer or peripheral to a linear bus. ADVANTAGE •Easy to connect a computer or peripheral to a linear bus. •Requires less cable length than a star topology. •Requires less cable length than a star topology. DISADVANTAGE •Entire network shuts down if there is a break in the main cable. DISADVANTAGE •Entire network shuts down if there is a break in the main cable. •Terminators are required at both ends of the backbone cable. •Terminators are required at both ends of the backbone cable. •Difficult to identify the problem if the entire network shuts down. •Difficult to identify the problem if the entire network shuts down. SUMMARY
  • 16. RING TOPOLOGY DEFINITION •Cable forms closed ring or loop, with all computers and devices arranged along ring. DEFINITION •Cable forms closed ring or loop, with all computers and devices arranged along ring. ADVANTAGE •Data is quickly transferred without a ‘bottle neck’. ADVANTAGE •Data is quickly transferred without a ‘bottle neck’. •The transmission of data is relatively simple as packets travel in one direction only. •The transmission of data is relatively simple as packets travel in one direction only. DISADVANTAGE •Data packets must pass through every computer between the sender and recipient therefore, this makes it slower. DISADVANTAGE •Data packets must pass through every computer between the sender and recipient therefore, this makes it slower. •If any of the nodes fail then the ring is broken and data cannot be transmitted successfully. •If any of the nodes fail then the ring is broken and data cannot be transmitted successfully. •It is difficult to troubleshoot the ring. •It is difficult to troubleshoot the ring. SUMMARY
  • 17. DEFINITION •All devices connect to a central device, called hub. DEFINITION •All devices connect to a central device, called hub. ADVANTAGE •Easy to install and wire. ADVANTAGE •Easy to install and wire. •Security can be implemented in the hub/switch. •Security can be implemented in the hub/switch. DISADVANTAGE •Requires more cable length than a linear topology. DISADVANTAGE •Requires more cable length than a linear topology. If the hub or concentrator fails, nodes attached are disabled. If the hub or concentrator fails, nodes attached are disabled. More expensive than linear bus topologies because of the cost of the concentrators. More expensive than linear bus topologies because of the cost of the concentrators. STAR TOPOLOGY •Easy to detect faults and to remove parts •Easy to detect faults and to remove parts SUMMARY