3 standard, so much so that it is sometimes asserted
that the transformed version is simply being called Ethernet, even though it bears
little resemblance to the original!
The benefits of Ethernet should be obvious to anyone who manages a LAN today,
whether in Beijing, Bangalore, or Boston, and even more vividly to anyone who is managing
LANs in Beijing, Bangalore, and Boston simultaneously. The universal appeal of
plug-and-play Ethernet in the LAN is unquestionable.
After Ethernet??™s astounding success in the LAN, it moved beyond the geographically
limited, customer owned and operated LAN. Ethernet, in fact (refer to 802.1 standards in
Table 1.1), had long been developing the capabilities to enable delivery at distances and
30 There were actually enhancements made to the frame to provide more sophisticated features such as
VLAN that allowed customers to separate, prioritize, and manage LAN traffic in a more optimal fashion.
However, the Ethernet frame largely remained the same.
31 The auto-negotiation capability of Ethernet interfaces, for example, allowed devices from different
manufacturers to communicate with each other and set the appropriate speed without manual intervention.
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