@book{25527,
	author = {Kurose, James F.  and Ross, Keith W.},
	title = { Computer networking : a top-down approach},
	publisher = {Pearson Education},
	year = {2013},
	edition = {6th ed.},
	url = {https://ebookcentral.proquest.com/lib/curaj/reader.action?docID=5138229&ppg=1}
}