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What does router mean?

藏色散人
Release: 2020-09-15 11:37:53
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router represents the router. The role of a router is to ensure that machines on different network segments can communicate and forward information. Routing is the act of delivering information across a network from a source to a destination, encountering at least one intermediate node along the way.

What does router mean?

Routing is the act of passing information from a source across a network to a destination, encountering at least one intermediate node along the way. Routing is often contrasted with bridging, which to the casual eye appears to accomplish the same thing. Their main difference is that bridging occurs at layer 2 (link layer) of the OSI reference protocol, while routing occurs at layer 3 (network layer). This difference causes the two to use different information in the process of transmitting information, thereby completing their tasks in different ways.

The topic of routing has long appeared in the computer industry, but it did not achieve commercial success until the mid-1980s. The main reason for this delay was that the networks in the 1970s were very simple, and later large-scale networks became more common.

To put it simply: you want to meet another person, but you cannot find him directly. Instead, you must go through an intermediary who is responsible for contacting the two of you to meet. Without an intermediary, you cannot meet. he.

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