Before revision: In a point-to-point topology, the signal is routed from the transmitter dirctly to the receiver (this is applied in PCIe, RapidIO, GbE, DDR2/DDR3/DDR4 DQ/DQS etc.).
After revision: In a point-to-point topology, the signal is routed from the transmitter directly to the receiver (this is applied in PCIe, RapidIO, GbE, DDR2/DDR3/DDR4 DQ/DQS etc.).