Gateways
The term gateway is applied to any device, system, or software application that can perform the function of translating data from one format to another. The key feature of a gateway is that it converts the format of the data, not the data itself.
NOTE
Gateways Versus Default Gateways Don't confuse gateways, which are networking devices, with default gateways, which are discussed in Chapter 6, “Working with TCP/IP.” The two perform very different roles on a network.
You can use gateway functionality in many ways. For example, a router that can route data from an IPX network to an IP network is, technically, a gateway. The same can be said of a translational bridge that, as described earlier in this chapter, converts from an Ethernet ...
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