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What is LAN Emulation?

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What is LAN Emulation?

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The current business community has invested heavily in both physical networking infrastructures as well as protocols and applications to run on those infrastructures. Any new networking technology must address the support requirements for this massive investment in software and ease the transition for the hardware. LAN Emulation was designed to allow existing networked applications and network protocols to run over ATM networks. It supports using ATM as a backbone for connecting “legacy” networks. It was also designed to support both directly attached ATM end systems and end systems attached through Layer 2 bridging devices. In addition, since one of the goals of ATM is to provide complete worldwide connectivity, it is important to allow multiple emulated LANs to exist on the same physically interconnected ATM network. Figure 1 – An ATM network interconnecting multiple Ethernet segments and ATM-attached end-systems Figures 1 and 2 show typical LAN Emulation configurations. Ethernet att

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