Introduction to the development trend of next generation multimedia system

The next generation of communication network will be a high exchange rate, huge transmission bandwidth IP network. Have no doubt about it. Can do this mainly due to DWDM technology have made outstanding progress on practical and single wavelength transmission rate rapidly increase. Currently single wavelength rate has reached 10 g SDH bit/s, 32 of DWDM commercially, and is currently on single fiber of the actual transmission capacity has reached 320 g bit/s, practical DWDM equipment transmission capacity can be more than 1 t bit/s, the laboratory has completed the 3.2 Tbit/s (80 x 40 Gbit/s) of the test. In addition, the router technology breakthrough, a new generation of router has appeared, the new router hardware architecture, the hardware routing table lookup and packet forwarding.

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