11.8. Sparse Monitoring, Test Connection, and Routing for More than One Original Attack Flow
To place the monitors and set up test connections for more than one OAF is still an open question. In this section, we extend the results of the previous section and propose a sparse monitoring scheme, which includes monitor placement as well as regular and test connection setting policies for a two-OAF diagnosable network. We call it policy III.
For a two-diagnosable system, we propose that a nonmonitor node u must have D (u) OHMs, and a node u with a pendant node as its neighbor must be a monitor node. Again in a network with bidirectional fiber links and no wavelength conversion, we use test connections in addition to regular connections to make them ...
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