Method and apparatus for transporting client signals over transparent networks using virtual concatenation
A client, virtual-level technology, applied in the field of communication networks, can solve problems such as inefficient use of switch capacity
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[0016] The present invention provides dynamic protection of constant bit rate client signals in transmission networks employing enhanced virtual concatenation and enhanced link capacity adjustment scheme techniques, thereby enabling constant bit rate client signals to be transmitted over the transmission network with increased reliability send. By converting a Virtual Concatenation Group (VCG) signal into multiple VCG member signals having an aggregate bandwidth greater than the bandwidth of the VCG signal, the present invention eliminates the need for 1+1 protection of the VCG member signals in order to adequately protect the The case of a constant bitrate client signal delivered. Thus, the present invention provides improved bandwidth efficiency over existing solutions employing 1+1 protection of VCG member signals.
[0017] Figure 1 illustrates a high-level block diagram of a communication network. In the general functional model of the transmission network (such as ITU-T...
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