datagram(DG)

In packet switching, a self-contained packet, independent of other packets, that carries information sufficient for routing from the originating data terminal equipment (DTE) to the destination DTE, without relying on earlier exchanges between the DTEs and the network.; 在包交換中,一個與其它包無關的自含包,它載有從源數據終端設備(DTE)到目的地數據 終端設備的足夠的路由信息,而無需依賴在此之前DTE與網絡間的信息交換。