What would happen if a later sent 200 bytes of data to b

Assignment Help Basic Computer Science

Reference no: EM131045864

Suppose x and y are two TCP sequence numbers. Write a function to determine whether x comes before y (in the notation of Request for Comments 793, "x =

(a) Suppose the third party sends A a forged packet ostensibly from B and with 100 bytes of new data. What happens? Hint: Look up in Request for Comments 793 what TCP does when it receives an ACK that is not an "acceptable ACK."

(b) Suppose the third party sends each end such a forged 100-byte data packet ostensibly from the other end. What happens now? What would happen if A later sent 200 bytes of data to B?

Reference no: EM131045864

Questions Cloud

Design a reliable byte-stream protocol : The RTT of the network is 140 ms, and the maximum segment lifetime is 60 seconds. How many bits would you include in the Advertised Window and Sequence Num fields of your protocol header?

Local police department in order for department : 1. Suppose that a local government decides to provide more funds to the local police department in order for the department to hire additional police officers. Is there an opportunity cost of this action? If so, how would you ..

Full amount of the instrument with interest : $900.00 Smalltown, Illinois Maker, November 15, 2011 The undersigned promises to pay to the order of John Doe Nine Hundred Dollars with interest from date of note.

Explain the difficulty of doing this over a tcp connection : Suppose a host wants to establish the reliability of a link by sending packets and measuring the percentage that are received; routers, for example, do this.

What would happen if a later sent 200 bytes of data to b : Suppose the third party sends each end such a forged 100-byte data packet ostensibly from the other end. What happens now? What would happen if A later sent 200 bytes of data to B?

Purchased a used bmw from gary braden : On February 26, 2011, William Stem purchased a used BMW from Gary Braden for $26,600. Stem's primary purpose for buying the car was to use it to transport his child. Braden indicated to Stem that the car had not been wrecked and that it was in goo..

Difference as seen by host a between these two cases : Give an algorithmic description of what the TCP layer needs to do upon receiving a SYN packet. Consider the duplicate/new cases above, and the possibility that nothing is listening to the destination port.

What are comparable real salaries : What are comparable real salaries? A job paid $57,000 in 2002. The CPI in 1960 was 29.6, compared to 179.9 in 2002. In 1960, what salary would be comparable to 2002's $57,000 in real terms?

How would you determine the numbers given above : How would you determine the numbers given above, and which values might be less certain?

User Account

All Pages