Optical Burst Switching (OBS), which combines the merits of wavelength routing and optical packet switching while avoiding their defects, is focused on as a new data transmission and switching scheme to realize IP over WDM.
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- 光突發(fā)交換結合了光電路交換和光分組交換兩種交換技術(shù)的優(yōu)點(diǎn)同時(shí)克服其缺點(diǎn),是一種實(shí)現IP over WDM全光互聯(lián)網(wǎng)的最有競爭力的交換技術(shù)。 但由于目前沒(méi)有成熟的光緩存器件,在光域不能對突發(fā)進(jìn)行隨機存儲,而FDL只能提供有限的時(shí)延。
