Thursday, 19 July 2012


inter connected device
               Hello friends after successful post on basic topologies osWorld is now going to post on inter connected networking interconnected devices are commonly used.there are four types of interconnected devices hub,switch,router and bridge.we know that we can connect two pc via lan cable easily. but if we want o connect more then one pc then we must have to use different topologies which is discussed in previous article.but there must be require interconnected device like hub or we get back to the point and let us talk about four basic interconnected device.


                 hub is simply broadcast the message they do not know about the receiver.suppose there are 10 pc connected to hub.from the left hand side no 1 pc wants to send the message to the pc number 9 which is right side of the hub.then hub receive the message from pc number 1 and broadcast the message in all over network.this message is received by the pc who really wants that this case receiver has to check that message is for it or not. 



                switch is same as hub in structure.but the difference between switch and hub is that switch do not broadcast the message in the network.suppose in previous example we use switch instead of hub then switch receives the message from pc number 1 and sends that message to the pc number of 10 instead of broadcasting the message.



               Routers are very common today in every network area, this is mainly because every network these days connect to some other network, whether it's the Internet or some other remote site. Routers get their name from what they do.... which is route data from one network to another.
For example, if you had a company which had an office in Sydney and another one in Melbourne, then to connect the two you would use a leased line to which you would connect a router at each end. Any traffic which needs to travel from one site to another will be routed via the routers, while all the other unnecessary traffic is filtered (blocked), thus saving you valuable bandwidth and money.
There are two types of routers: 1) Hardware routers 2) Software routers. 


                 bridge is same as switch but only one difference is there between switches and bridges is that bridge can reform the signal.this functionality is not provided by switch.


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  2. thanks jasmin..
    it is not a paid theam it is provided by blogger i changed only color scheme and background...


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