This reading on ARPAnet, which it will tell you, was the precursor to the Internet, has invariably been a high interest item for the students with whom I’ve worked over the years. Here is its accompanying vocabulary-building and comprehension worksheet.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.