PORT SWITCHING:- A Machine is directly Connected to the Switch's port..,so that you can run parallel full speed between machines....its an expensive solution since the unit price of switch per port is high!
SEGMENT SWITCHING:- A Whole segment is connected to the port of the switch..here you can either connect the workstation directly on the switches port or use segments to connect...Its is more effective switching compared to Port Switching!
designated port
• checksum • destination port • source port
input port, output port, routing processor, switching fabric
to prevent the switches from voltage spikes for that we using soft switching
The destination mac addressof a frame and the port it was received on.
Designated
An asymmetric switch provides switched connections between ports of different bandwidths. Asymmetric switching is optimized for client-server traffic where multiple clients simultaneously communicate with a server, requiring more bandwidth dedicated to the server port to prevent a bottleneck at that port. so it is use to prevent bottlenecks on the port a server is connected.
100000
Fragment free is a variation on cut-through switching that partially addresses this problem by assuring that collision fragments are not forwarded. This will hold the frame until the first 64 bytes are read from the source to detect a collision before forwarding.This is only useful if there is a chance of a collision on the source port. Fragment-free switching is also known as runtless switching and is a hybrid of cut-through and store-and-forward switching. Fragment-free switching was developed to solve the late-collision problem.
Fragment free is a variation on cut-through switching that partially addresses this problem by assuring that collision fragments are not forwarded. This will hold the frame until the first 64 bytes are read from the source to detect a collision before forwarding.This is only useful if there is a chance of a collision on the source port. Fragment-free switching is also known as runtless switching and is a hybrid of cut-through and store-and-forward switching. Fragment-free switching was developed to solve the late-collision problem.
to enable a receiving host to forward the data to the appropriate application
Although some would suggest that a switch could segment a network (and it does use the MAC address for switching) more properly a bridge would be the answer if you are speaking of segmenting a network.