MTP2:Signal Unit Error Rate Threshold
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| − | The | + | The MTP2 layer is responsible to retransmit missing [[MSU]]s to the remote peer to ensure a valid flow of data. However, when the error rate of [[MSU]]s (the number of errored [[MSU]]s per unit of time) crosses a defined threshold, the link is taken out of service automatically (usually by the upper MTP3 layer). The 'Signal unit error rate threshold' parameter defines this threshold estimate to be monitored by the MTP2 layer before declaring the link as down. |
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Revision as of 23:02, 1 September 2009
The MTP2 layer is responsible to retransmit missing MSUs to the remote peer to ensure a valid flow of data. However, when the error rate of MSUs (the number of errored MSUs per unit of time) crosses a defined threshold, the link is taken out of service automatically (usually by the upper MTP3 layer). The 'Signal unit error rate threshold' parameter defines this threshold estimate to be monitored by the MTP2 layer before declaring the link as down.
