Computers and Technology, 27.04.2021 15:10 kabiletproducciones

Let us consider a concurrent server. Clients connect to the server using the TCP protocol and exchange data. The server is connected to two different networks through two interfaces, IFA and IFB with IP addresses 128.120.56.35 and 128.120.55.1, respectively. We consider two different clients, referred as Host A andHost B with IP addresses 192.132.54.66 and 214.77.91.10, respectively. The server uses port number 80. The kernel in the server maintains a table for each socket descriptor and each table has the following entries: In this question you are asked to list all the tables and their contents as clients connect to the server.
socket descriptor
remote host
remote port
local host
local port
Assume that socket descriptors are assigned from the sequence of integers starting from 1 and for simplicity we will assume that once a descriptor is assigned it is not used any more. Similarly, ephemeral port numbers in clients are chosen starting from 15000 and once a port number is assigned it is not used any more.
1. List the tables in the kernel and their contents, when the server is first started and before any client request arrives.
2. List the tables and their contents when host A connects to the server through interface A (IFA) and is accepted by the server.
3. List the tables and their contents when host B connects to the server through interface UFB) and is accepted by the server.
4. List the tables and their contents after a second request is received from host B arrives through interface B (IFB) and is accepted by the server.
5. List the tables and their contents when the request from Host A is completely processed and the associated socket is closed.

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Let us consider a concurrent server. Clients connect to the server using the TCP protocol and exchan...

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