Transition Networks S8TB User Guide
33672 Rev. A www.transition.com Page 5 of 9
Ethernet Switching Technology
Ethernet Switching Technology dramatically boosted the total bandwidth of a network, eliminated congestion
problems inherent in Carrier Sense Multiple Access with Collision Detection (CSMA/CD) protocol, and greatly
reduced unnecessary transmissions.
With this revolutionized networking, the system is capable of: First, allows two-way, simultaneous transmissions
over the same port (Full-duplex) to essentially double the bandwidth. Second, reduces the collision domain to a
single switch-port to eliminate the need for carrier sensing. Third, uses the store-and-forward technology’s
approach of inspecting each packet to intercept corrupt or redundant data, and eliminates unnecessary
transmission that slows the network. In addition, the system employs address learning to replace the inefficient
method of constant broadcasting to every node in search of the correct receiving port.
Auto-negotiation regulates the speed and duplex of each port, based on the capability of both devices. Flow-
control allows transmission from a 100Mbps node to a 10Mbps node without loss of data. Auto-negotiation
and flow-control may require disablement for some networking operations involves legacy equipment. Disabling
the auto-negotiation is accomplished by fixing the speed or duplex of a port.
Ethernet Switching Technology supplied higher performance at costs lower than other solutions. Wider bandwidth,
no congestion, and the reduction in traffic are reasons why the Ethernet Switch is replacing expensive routers and
inefficient hubs as the ultimate networking solution. Switching brought a whole new way of thinking to networking.
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