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Explain the store and forward method of switching give the advantage and disadvantage of this message switching technique what is packet switching?
Wiki User
∙ 10y ago
In this type of switching, the entire frame is read and stored in memory before being sent to the destination device. The switch checks the integrity of the bits in the frame by recalculating the cyclic redundancy check (CRC) value. If the calculated CRC value is the same as the CRC field value in the frame, the switch forwards the frame out the destination port. The switch does not forward frames if the CRC values do not match. The CRC value is located within the frame check sequence (FCS) field of an Ethernet frame.
Although this method keeps damaged frames from being switched to other network segments, it introduces the highest amount of latency. Due to the latency incurred by the store and forward method, it is typically only used in environments where errors are likely to occur, such as environments that have a high probability of EMI.
Wiki User
∙ 10y ago
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