(ATM is a network technology that combines the advantages of packet switching and circuit switching. It can work at any different speed, different media and use different transmission technologies. It is suitable for WAN and LAN occasions, and can be used in LAN/WAN. Provides a single network technology in the network to achieve perfect network integration. The disadvantage of ATM networking technology is that the protocol is too complex and the equipment is expensive, resulting in relatively high network construction resources.
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