Abstract:
Networking
hardware includes all computers, peripherals, interface cards and other
equipment needed to perform data-processing and communications within the
network.Click on a terms below too learn more about those pieces on networking
hardware. It is now time to run our attention from the applications and social
aspects of networking to the technical issues involved in networking designs.

Keywords:
Routers,Switches,LAN,WAN,MAN

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1.
INTRODUCTION

 

Network hardware is also known as
network equipment or computer networking devices,are physical devices which are
required for  communication and
interaction between devices on a computer network. Specificially they mediate
data in a computer network. Units which are the last receiver or generate data
are called  host  or data terminal equipment.       

 

2.TYPES
OF NETWORK HARDWARE

Network 
Hardware can be divided in two types,

·       
Switches

·       
Routers

 

*SWITCHES:

                  From the point of the average
telephone engineer, the phone system is divided into two parts: outside plant
and  inside plant. Three different
switching techniques are used inside the telephone system: circuit
switching  ,  packet 
switching  , message  switching.           

 

*ROUTERS:

                 Millions of people have
portable computers nowadays and they generally want to read their email and
access their normal file systems whenever in the world may be. These  mobile hosts introduce a new complication: to
route a packet to mobile host, the network first has to find it. They are
connected to the network by copper wires or 
fiber optics.

 

   3.CHARACTERISTICS OF NETWORK  HARDWARE

 

Ø LAN

Ø WAN

Ø MAN

 

*LAN: The
expansion of LAN is Local area network, generally called  LAN’s, are privately owned networks within a
single building or campus of up to a few 
kilometers in size. They are widely used 
to  connect  personal computers and workstations in
company  officers and  factories to share resources(eg:printers) and
exchange information.

 

*WAN: The
expansion of  WAN is Wide area network .
Mobile computers such as notebooks computers and personal digital assistants
are the fastest-growing segment of the computer industry. Many of the owners of
these computers have desktop machines on LAN’s and WAN’s back at the office and
want to be connected to their home base even when away from home  or en route.

 

MAN:
The expansion of  MAN is Metropolitan
Area Network is basically a bigger version of LAN and normally uses similar
technology. It might cover a group of nearby corporate offices or a city and
might be either private or public. A MAN can support both data and voice and
might be either private or local cable television network. A MAN can one or two
cables and does not contain switching element, which shunt packets over one of
several potential output lines.

 

 

 

 

 

 

 

4.CONCLUSION:

                 So
the conclusion is this network hardware may be connected from point-to-point.
Finally, the connection of two or more networks is called an internetwork. The
world-wide Internet is a well-known example of internetwork. The Network
Hardware directly connected to switches and routers.

 

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