This document provides an overview of CMPSCI 453, an introductory computer networking course. The course will be taught by Professor Jim Kurose and will cover networking principles and the Internet architecture using a top-down approach. Students will learn about topics like physical media, protocol layers, routing, and link-level protocols. The workload includes homework assignments, programming projects, lab assignments, and exams. All course materials will be available on the class website at gaia.cs.umass.edu/cs453.