LAN Emulation | What is the Centillion 1200N Switch? |
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LAN Emulation
LAN emulation refers to the technology of using the existing infrastructure of a LAN and connecting the LAN to an ATM network on a bridge level to emulate the connection. The specification of LAN emulation has been standardized by the ATM Forum in its “LAN Emulation Over ATM Specification Version 1.0.”
LAN emulation allows existing LAN terminals to reciprocally communicate with ATM terminals and make it possible to construct a virtual LAN that is free of physical restraints.
Figure 2-6 and Figure 2-7 show the LAN emulation protocol stack between an ATM terminal and an existing LAN terminal and its frame format when IP protocol is used as the network layer.
Figure 2-6: LAN Emulation Protocol Stack
Figure 2-7: LAN Emulation Frame Format
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