Abstract
AbstractIf the synchronous digital hierarchy (SDH) signal is converted into asynchronous transfer mode (ATM) cells to be transmitted through the ATM transport network, the efficiency of the operation/management/maintenance of the network will be improved in addition to maintaining the economy and reliability of the network. This is one of the advantages of the ATM transport network.This paper considers the system where SDH signal is transported by ATM technique. The delay variation produced in the ATM transport network is evaluated. Then the buffer readout control and the required buffer capacity are discussed. The order of processing between the delay variation smoothing function and other required functions in the proposed system is analyzed.
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