Network switches play important role in enabling the
communication between the devices in the network. Switches manage the data across a computer network by engaging the received
packet to the intended device. Usually, the switches are functions in the data
link layer but some of the multilayer switches are processing in layer 3 of the
OSI model.
One of the interesting fact for Indian people that first multiport
Ethernet switch was manufactured by a company
called Kalpana in the year 1989. Kalpana was founded Vinod Bhardwaj and Larry
Blair in the 1980s and the name Kalpana was after the Bhardwaj’s wife, meaning
imagination in Sanskrit. This innovation leads to Ethernet networks operate as
faster and easier way. They also invented EtherChannel to provide higher
bandwidth in inter-switch at running many links in parallel, which is referred to as link aggregation.
If Kalpana is
pioneering the switches and other network equipment manufacturing then why no
one heard about Kalpana now?
Because the giant
Cisco acquired the Kalpana in the year 1994 and their achievements are now in the
shadow of Cisco.
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