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1. The figure shown below is about Setup Request in a virtual circuit network. In this figure, the source A sends a setup frame to switch 1. Then, the 1 st switch acts as a packet switch which only knows the incoming virtual circuit identifier (VCI) but does not know the outgoing VCI yet. The 2nd and the 3 rd switches do the same as the 1st switch.

The next figure is about Setup Acknowledgement. Here, the destination B sends an acknowledgment to the 3rd switch and the empty spot of the forwarding table is filled. Then, the 2 nd and the 1 st switches do the same as the 3rd switch. Your task is to simulate Setup Request and Setup Acknowledgment using a set of programing codes. If you are not able to write a set of programming codes, you may write a pseudocode (50 points)

1. The figure shown below is about "Setup Request" in a virtual circuit network. In this figure, the source A sends a setup frame to switch 1. Then, the 1st switch acts as a packet switch which only knows the incoming virtual circuit identifier (VCI) but does not know the outgoing VCI yet. The 2nd and the 3rd switches do the same as the 1st switch Incoming Outgoing Port VCI Port VCI Incoming Outgoing Port VCI Port VCI 1 143 2 22 3 VCI-77 a G Switch l Switch 3 Switch 2 Incoming Outgoing Port VCI Port VCI 1 66 2 The next figure is about "Setup Acknowledgement." Here, the destination B sends an acknowledgment to the 3rd switch and the empty spot of the forwarding table is filled Then, the 2nd and the 1st switches do the same as the 3rd switch Your task is to simulate Setup Request" and "Setup Acknowledgment" using a set of programing codes. If you are not able to write a set of programming codes, you may write a pseudocode (50 points) 1. The figure shown below is about "Setup Request" in a virtual circuit network. In this figure, the source A sends a setup frame to switch 1. Then, the 1st switch acts as a packet switch which only knows the incoming virtual circuit identifier (VCI) but does not know the outgoing VCI yet. The 2nd and the 3rd switches do the same as the 1st switch Incoming Outgoing Port VCI Port VCI Incoming Outgoing Port VCI Port VCI 1 143 2 22 3 VCI-77 a G Switch l Switch 3 Switch 2 Incoming Outgoing Port VCI Port VCI 1 66 2 The next figure is about "Setup Acknowledgement." Here, the destination B sends an acknowledgment to the 3rd switch and the empty spot of the forwarding table is filled Then, the 2nd and the 1st switches do the same as the 3rd switch Your task is to simulate Setup Request" and "Setup Acknowledgment" using a set of programing codes. If you are not able to write a set of programming codes, you may write a pseudocode (50 points)