... protocol 877.4 Contention resolution 897.5 Evolution toward optical packet switching 927.6 Implementation 938 Optical flow switching 958.1 Optical flow switching 968.2 Integrated OFS approaches ... wavelength channels, to beswitched all-optically and individually. Unlike lightpath-based optical networks, PSRenables all nodes to communicate all-optically with each other (i.e., without ... slots significantly without compromising the merits of PSR networks, namely,all -optical end-to-end communication and optical traffic aggregation. Figure 7.5 depictsthe architecture of an SDL bridge....