Question: Suppose within your Web browser, you click on a link to obtain a Webpage. The IP address for the associated URL is not cached in

Suppose within your Web browser, you click on a link to obtain a Webpage. The IP address for the associated URL is not cached in your local host. Suppose that n DNS servers should be visited before your host receives the IP address. The successive visits incur an RTT of RTT1, RTT2, , RTTn. Suppose that the base HTML file associated with the link references three very small objects (small pictures) on the same server. Let RTT0 denote the RTT between the local host and the server containing the objects. Neglecting transmission times, how much time elapses with:

  1. Non-persistent HTTP with no parallel TCP connections?
  2. Persistent HTTP with no parallel TCP connections?
  3. Non-persistent HTTP with parallel connections?
  4. Persistent HTTP with parallel TCP connections?
  5. Persistent HTTP with pipelining?

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