Course Objectives :
- Build an understanding of the fundamental concepts of computer networking.
- Familiarize the student with the basic taxonomy and terminology of the computer networking area.
- Introduce the student to advanced networking concepts, preparing the student for entry Advanced courses in computer networking.
- Allow the student to gain expertise in some specific areas of networking such as the design and maintenance of individual networks.
Course Outcomes (CO)
- CO 1 Understand basic computer network technology.
- CO 2 Understand and explain Data Communications System and its components.
- CO 3 Implements various network topologies and IP addressing, subnetting.
- CO 4 Enumerate the layers of the OSI model and TCP/IP.
UNIT-I
Data Communications: Components, Networks, The Internet, Protocols and Standards, Network Models: The OSI Model, TCP/IP Protocol Suite , A Comparison of the OSI and TCP/IP Reference Models, Addressing, Physical Layer: Analog and Digital Signals, Transmission modes, Transmission Media: Guided Media, Unguided Media, Review of Error Detection and Correction codes.
Switching: Circuit switching (space-division, time division and space-time division), packet switching (virtual circuit and Datagram approach), message switching.
UNIT-II
Data Link Layer: Design issues, Data Link Control and Protocols: Flow and Error Control, Stop-and-wait ARQ. Sliding window protocol, Go-Back-N ARQ, Selective Repeat ARQ, HDLC, Point-to –Point Access: PPP Point –toPoint Protocol, PPP Stack, Medium Access Sub layer: Channel allocation problem, Controlled Access, Channelization, multiple access protocols, IEEE standard 802.3 & 802.11 for LANS and WLAN, high-speed LANs, Token ring, Token Bus, FDDI based LAN, Network Devices-repeaters, hubs, switches bridges.
UNIT-III
Network Layer: Design issues, Routing algorithms, Congestion control algorithms, Host to Host Delivery: Internetworking, addressing and routing, IP addressing (class full & Classless), Subnet, Network Layer Protocols: ARP, IPV4, ICMP, IPV6 ad ICMPV6.
UNIT - IV
Transport Layer: Process to Process Delivery: UDP; TCP, congestion control and Quality of service. Application Layer: Client Server Model, Socket Interface, Domain Name System (DNS): Electronic Mail (SMTP), file transfer (FTP), HTTP and WWW.
Textbook(s):
- Behrouz A. Forouzan, “Data Communications and Networking”, Tata McGraw-Hill.
References:
- A. S. Tannenbum, D. Wetherall,, “Computer Networks”, Prentice Hall, Pearson.
- Fred Halsall, “Computer Networks”, Addison – Wesley.
- Tomasi, “Introduction To Data Communications & Networking”, Pearson.
1. Network Engineer
Description: Design, implement, and manage an organization's networks (LAN, WAN, wireless). Troubleshoot and resolve issues related to network infrastructure.
Skills Required: Cisco (CCNA, CCNP), routing and switching, firewalls, VPNs, network protocols.
Career Prospects: With the growing complexity of enterprise networks, demand for Network Engineers continues to rise.
2. Network Architect
Description: Plan and design complex network infrastructures for organizations, including LANs, WANs, cloud networks, and hybrid networks.
Skills Required: Advanced knowledge of network protocols, data communication, and design methodologies.
Career Prospects: High demand due to the need for scalable and secure network infrastructure.
3. Cloud Network Engineer
Description: Focuses on designing and maintaining cloud-based networks, connecting on-premise networks with cloud services (AWS, Azure, Google Cloud).
Skills Required: Cloud platforms, SDN, virtualization, cloud security.
Career Prospects: Strong as businesses continue to move to the cloud.
4. Network Security Engineer
Description: Safeguard the network infrastructure from cyber threats, implement firewalls, IDS/IPS, VPNs, and encryption protocols.
Skills Required: Cybersecurity skills, firewall management, threat detection, encryption techniques.
Career Prospects: Excellent, given the increasing focus on cybersecurity.
5. Wireless Network Engineer
Description: Specializes in the setup and management of wireless networks, including Wi-Fi, 5G, and other mobile communication networks.
Skills Required: Wireless communication technologies, signal processing, 802.11 protocols.
Career Prospects: Growing, with the rise of mobile connectivity and IoT.
6. Network Administrator
Description: Responsible for maintaining an organization's network infrastructure, ensuring network availability, performance, and security.
Skills Required: Network monitoring tools, IP addressing, troubleshooting, and configuring network devices.
Career Prospects: Stable, though it’s evolving with automation and cloud technologies.
7. Systems Engineer (Networking)
Description: Works on integrating networking and computing systems, ensuring smooth operation of both hardware and software solutions in the network environment.
Skills Required: Linux/Unix, system integration, network protocols, troubleshooting.
Career Prospects: Strong demand for multi-disciplinary professionals who handle both system and network management.
8. DevOps Engineer (Networking Focus)
Description: Bridges the gap between development and IT operations, focusing on automating network deployment and infrastructure management.
Skills Required: Scripting, CI/CD pipelines, infrastructure-as-code, cloud technologies.
Career Prospects: Excellent, especially with the rise of automation and cloud-native infrastructure.
9. Network Automation Engineer
Description: Focuses on automating the provisioning and configuration of network devices and services, reducing manual intervention and errors.
Skills Required: Python, Ansible, NETCONF, REST APIs, SDN.
Career Prospects: Very strong as automation continues to dominate IT operations.
10. Telecommunications Network Engineer
Description: Designs and manages telecommunication networks for voice, data, and video communications, including fiber optics and satellite networks.
Skills Required: Telecom protocols, routing/switching, signal modulation.
Career Prospects: Growing, especially in emerging technologies like 5G and IoT.
11. VoIP Engineer
Description: Specializes in managing Voice over IP (VoIP) systems, ensuring high-quality voice communications over IP networks.
Skills Required: SIP, QoS, VoIP protocols, troubleshooting voice systems.
Career Prospects: Strong, as businesses shift to cloud-based communication systems.
12. Network Consultant
Description: Provides expert advice on network infrastructure design, optimization, and security for various organizations.
Skills Required: Advanced network knowledge, troubleshooting, vendor-specific technologies (e.g., Cisco, Juniper).
Career Prospects: Excellent for experienced professionals with the ability to handle complex client needs.
13. Data Center Network Engineer
Description: Works specifically with large-scale data center environments, optimizing the network for high availability, scalability, and performance.
Skills Required: Data center networking technologies, load balancing, SDN, server virtualization.
Career Prospects: Very strong, as cloud computing and data centers continue to grow.
14. IoT Network Engineer
Description: Focuses on designing and maintaining the network infrastructure for Internet of Things (IoT) devices.
Skills Required: IoT protocols, low-power wide-area networks (LPWAN), 5G, network scaling.
Career Prospects: Rapidly growing with the rise of connected devices.
15. SD-WAN Engineer
Description: Specializes in deploying and managing software-defined wide area networks (SD-WAN) to improve network performance, security, and flexibility.
Skills Required: SD-WAN solutions, network virtualization, cloud security.
Career Prospects: High demand due to the trend towards decentralized, hybrid cloud architectures.
16. Network Performance Analyst
Description: Monitors, analyzes, and optimizes the performance of networks to ensure high reliability and efficiency.
Skills Required: Network monitoring tools, performance tuning, packet analysis, QoS.
Career Prospects: Stable, with increasing importance in high-traffic environments.
17. Cybersecurity Network Specialist
Description: Works on protecting networks from cyber-attacks, implementing secure network practices, and ensuring compliance with industry standards.
Skills Required: Encryption, VPN, firewalls, threat detection, IDS/IPS.
Career Prospects: Excellent, as cybersecurity threats continue to grow.
18. Network Support Specialist
Description: Provides technical support and troubleshooting for network hardware, software, and related systems.
Skills Required: Problem-solving, network diagnostics tools, understanding of network protocols.
Career Prospects: Stable, but increasingly shifting towards more specialized roles.
19. Network Forensics Expert
Description: Investigates network breaches and conducts forensic analysis to determine how a security incident occurred.
Skills Required: Deep understanding of network protocols, digital forensics, packet analysis, cybersecurity tools.
Career Prospects: Excellent due to the rise in cybersecurity threats.
20. 5G Network Engineer
Description: Focuses on designing and maintaining the next generation of cellular networks (5G), which will offer faster speeds and low latency.
Skills Required: 5G protocols, network slicing, SDN, RF engineering.
Career Prospects: Exceptional, as global demand for 5G infrastructure grows.
General Skills for Networking Roles:
Routing and Switching: CCNA, CCNP, or equivalent certifications.
Security: Knowledge of firewalls, VPNs, IDS/IPS systems.
Cloud Computing: AWS, Azure, Google Cloud knowledge.
Automation: Python, Ansible, Terraform for network automation.
Troubleshooting & Monitoring Tools: Wireshark, SolarWinds, PRTG, Nagios.
With the constant evolution of technologies like SDN, 5G, IoT, and cloud computing, these roles will continue to grow, providing long-term career prospects in the Computer Networking field.
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