Virtual University Forum

Scenario: “For communication across Internet, TCP/IP protocol suit is used for achieving universal services and routers are used to connect different networks. TCP is one of the major transport protocol used in TCP/IP protocol suit which provides reliable data delivery service to applications. Suppose two applications use TCP to establish a connection, communicate, terminate the connection, and then open a new connection. Further suppose a FIN message sent to shut down the first connection is duplicated and delayed until the second connection has been established” Requirements: a.     If a copy of the old FIN is delivered, will TCP terminate the new connection? Why or why not? b.     Can a router send request to another router for TCP connection? Give reason. Answer: No The message for the new TCP connection would be required to have identical source & destination IP addresses, protocol port numbers and TCP sequence numbers for the earlier mess...

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