In this lab, the student will examine a "Request for Comments" $($RFC$)$ document from $1981$ that describes an early version of the Internet Protocol.

Based on the document, and potentially other research you complete, compose answers the following questions. Read through the entire document before answering questions.

Who is this document prepared for? What is that organization and why is it associated with the development of the Internet?

What is the scope of the internet protocol?

What was ARPANET?

Explain how the internet protocol implement its two basic functions?

Instead of using the term "protocol stack", what phrase does this document seem to use?

How is the internet protocol related to other protocols on the protocol stack?

What is the purpose of the internet protocol?

What are the contents of an internet header?

What is a gateway? What problem does it solve?

How does this RFC define the term "checksum".

What are "interfaces" according to this document? What is the purpose of these interfaces? What problem do they solve?

$-$What is the earliest source cited in this document's bibliography?

Who wrote the most sources cited by this document? Who is he$?$