You work for a large banking firm headquartered in New York. Your internetwork consists of more than 100 primary servers and about 3,000 clients scattered along the east coast of the United States. Over the past month, you have been looking at the performance statistics of the network and the critical devices. Today, you are examining the file transfer traffic to and from one of your main servers. You notice that the window size is very small in all the file transfers to and from this device. What could be the reason? How can you investigate further?