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Practical BGP by Sangli Srihari, Russ White, Danny McPherson

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Connecting to a Service Provider

The first issue a company faces when connecting to the Internet is how to get started. Even those who work for a company already connected to the Internet generally don't understand how this piece of their network works, so just to demystify the process somewhat, we'll cover some basics here. There are three essential topics to be discussed: the physical connection, IP addressing, and security.

The Physical Connection

Generally, the Internet service provider (ISP) through which you connect to the Internet will be responsible for bringing in any physical connections to your business. The service provider will either bring a physical line into a room someplace in the business or contract with a local telephone service ...

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