Question

Suppose P, Q and R are ISPs as in exercise 6.0. This time, P and R do not connect directly; they route traffic to one another via Q. In addition, customer B is multihomed and has a secondary connection to provider R; customer D is also multihomed and has a secondary connection to provider P. R and P use these secondary connections to send to B and D respectively; however, these secondary connections are not advertised to other providers. Give forwarding tables for P, Q and R.

Answer 1

A company that offers services for Internet access, use, or participation is known as an Internet service provider (ISP). ISPs can be set up in a variety of ways, including commercial, community-owned, non-profit, and other privately owned arrangements. Internet access, Internet transit, domain name registration, and web hosting are examples of Internet services that ISPs frequently offer.

What in WiFi is an ISP address?

Computers on the internet identify one another using their IP addresses. Each IP address given to your internet-connected devices by your internet service provider (ISP) is distinct.

What equipment connects to an ISP?

An Internet service provider, computer, modem, phone, and network connection are all required. Computers are crucial. If you connect to the Internet via a phone line, you need a modem.

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