# Networked Systems (NET SYS) courses

UC Irvine · 2026-2027 Catalog · 8 courses

Source: https://catalogue.uci.edu/allcourses/net_sys/

"Offered" lists sections in this catalog year's class schedules: Fall 2026.

### NET SYS 201 — Computer and Communication Networks

- **Units:** 4
- **Prerequisite:** EECS 148 or COMPSCI 132
- **Offered:** Fall 2026, 1 section (/c/uc-irvine/schedule/fall-2026/net-sys.md)
- Same as EECS 248A, COMPSCI 232

Network architecture of the Internet, telephone networks, cable networks, and cell phone networks. Network performance models. Network performance models. Advanced concepts and implementations of flow and congestion control, addressing, internetworking, forwarding, routing, multiple access, streaming, and quality-of-service.

### NET SYS 202 — Networking Laboratory

- **Units:** 4
- **Prerequisite:** EECS 148 or COMPSCI 132
- **Offered:** not on the Fall 2026 schedule
- Same as COMPSCI 233

A laboratory-based introduction to basic networking concepts such as addressing, sub-netting, bridging, ARP, and routing. Network simulation and design. Structured around weekly readings and laboratory assignments.

### NET SYS 210 — Advanced Networks

- **Units:** 4
- **Prerequisite:** NET SYS 201 with a minimum grade of B- or COMPSCI 232 with a minimum grade of B- or EECS 248A with a minimum grade of B-
- **Offered:** not on the Fall 2026 schedule
- Same as COMPSCI 234

Design principles of networked systems, advanced routing and congestion control algorithms, network algorithms, network measurement, management, security, Internet economics, and emerging networks.

### NET SYS 230 — Wireless and Mobile Networking

- **Units:** 4
- **Prerequisite:** EECS 148 or COMPSCI 132
- **Offered:** not on the Fall 2026 schedule
- Same as COMPSCI 236

Introduction to wireless networking. The focus is on layers 2 and 3 of the OSI reference model, design, performance analysis, and protocols. Topics covered include: an introduction to wireless networking, digital cellular, next generation cellular, wireless LANs, and mobile IP.

### NET SYS 240 — Network and Distributed Systems Security

- **Units:** 4
- **Prerequisite:** EECS 148 or COMPSCI 132
- **Offered:** not on the Fall 2026 schedule
- Same as COMPSCI 203

Modern computer and networks security: attacks and countermeasures, authentication, identification, data secrecy, data integrity, authorization, access control, computer viruses, network security. Group communication and multicast security techniques. Covers secure e-commerce and applications of public key methods, digital certificates, and credentials.

### NET SYS 260 — Middleware for Networked and Distributed Systems

- **Units:** 4
- **Prerequisite:** An undergraduate-level course in operating systems and networks
- **Offered:** not on the Fall 2026 schedule
- Same as COMPSCI 237

Discusses concepts, techniques, and issues in developing distributed systems middleware that provides high performance and Quality of Service for emerging applications. Also covers existing standards (e.g., CORBA, DCOM, Jini, Espeak) and their relative advantages and shortcomings.

### NET SYS 270 — Topics in Networked Systems

- **Units:** 4
- **Offered:** not on the Fall 2026 schedule
- Repeatability: May be taken unlimited times as topics vary

Study of Networked concepts.

### NET SYS 295 — Networked Systems Seminar

- **Units:** 1
- **Offered:** Fall 2026, 1 section (/c/uc-irvine/schedule/fall-2026/net-sys.md)
- Grading Option: Satisfactory/Unsatisfactory only
- Repeatability: May be taken unlimited times

Current research in networked systems. Includes talks by UCI faculty, visiting researchers, and Networked Systems graduate students.