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Course Outline
Introduction to Networking and the OSI Reference Model
- Foundations of data networks
- Overview of LANs and WANs
- Application types and associated requirements
- OSI-RM functions and the modular structure of data networks
LAN Technology and Ethernet Protocols
- Ethernet protocol specifications and speeds (10M/100M/1G/10Gbps)
- Ethernet media types, including twisted pairs, cable categories (5/5e), fiber optic cables, and connectors
- The CSMA/CD algorithm
- Frame structures (802.3, Ethernet-2, Ethernet-SNAP)
- Common operational issues
LAN Switching: Functionality and Operation
- Characteristics and operation of LAN bridges
- Functional principles of LAN switches
- LAN switching technologies, including Half-Duplex/Full-Duplex and auto-negotiation
- Virtual LANs (VLANs) and VLAN tagging
- Spanning Tree protocols (STP/RSTP/MSTP)
- Link Aggregation Groups (LAG) and Etherchannel; LAN structures and topologies
- Data center switching concepts
WAN Protocols and Services
- Public network structure, access transmission, and switching
- Traditional network architectures and protocols
- End-to-end services: FR, ATM, and Leased lines
- Transmission services: SDH and WDM/DWDM
- Access services: xDSL, CaTV/DOCSIS
- Next-generation networks
- End-to-end services: Carrier Ethernet and MPLS/IP-based services
- Transmission networks: Carrier Ethernet
- Access networks: Advanced xDSL, DOCSIS, and Optical technologies
Wireless Networks and Wi-Fi
Network architecture elements and topologies
The physical layer
- 802.11a/b/g standards
- 802.11n, including OFDM and MIMO
The MAC layer and contention resolution
- CSMA/CA, RTS, CTS, and NAV
- IEEE 802.11 frame format and addressing
Additional features
- Wi-Fi security protocols: WEP, EAP, TLS, TTLS, and 802.11x
Wi-Fi QoS: Contention-based access (AIFS, Access Categories, Contention Windows), Controlled access (Polling, TXOPs), and Quality of Service management (ADDBTS, Traffic Streams, TSPECs).
- Cellular Networks
Introduction
- Frequency spectrum reuse
- Call setup and management
- Key servers: MSC, BSC, BTS, and terminals
- Handovers and channel management
Standards and evolution
3GPP, 3GPP2, and IMT-2000 standards
Network evolution: From CDMA1 to EVDO/DV, and from GSM to HSPA and LTE
Introduction to TCP/IP
- The TCP/IP model and common protocols
- Protocol operations
- Relevant standardization organizations
IPv4: Protocol and Addressing
- IP characteristics
- ARP (Address Resolution Protocol)
- IP frame structure
- IP addressing and address classes
- Private versus public addresses
- Subnetting IP address space using VLSM and CIDR
- IP address design (practical exercise)
- DHCP (Dynamic Host Configuration Protocol)
- Multicast and IGMP
IPv6: Protocol and Addressing
- IPv6 characteristics and comparison with IPv4
- Packet structure and headers (overview)
- IPv6 addresses and address categories
- The auto-configuration process
- Migrating from IPv4
Layer 4 Protocols: TCP and UDP
- Introduction to Layer 4 protocols and well-known ports
- UDP packet structure and operation
- TCP packet structure and operation
- TCP connectivity and reliability mechanisms
- TCP sliding window, slow-start, and congestion avoidance
- Sequence and acknowledgment numbers
- Calculating maximum TCP throughput (WS and RTT)
- Go-back-N and Selective Repeat algorithms
- Common TCP performance issues
Routing and Layer 3 Switching Basics
- Principles of the routing process
- Routing domains and areas
- Static versus dynamic routing
- Distance-vector and Link-state protocols
- Routing metrics
- RIP and OSPF protocols
- BGP: eBGP and iBGP
- Layer 3 switching
- Static and Dynamic NAT
- HSRP and VRRP
- QoS in IP networks
QoS Parameters: Bandwidth, Delay, Jitter, and Packet Loss
- Application requirements and network behavior
- Classification, marking, policing, shaping, queuing, and RED/WRED
Network Security Basics and Components
- Foundations of network security, threats, and vulnerabilities
- Secured network architecture: Firewalls, VPNs, NACs, and other security devices
- Firewall operations: packet filtering and stateful inspection
- Security protocols: Encryption and Authentication
- Encryption types and definitions
- Symmetric-key algorithms, including Block and Stream Ciphers
- Public-key cryptography
- Hash functions
- Authentication fundamentals
- Multi-factor authentication
- Tokens, Smart Card Encryption, and Wireless encryption protocols
- OTP (One-Time Passwords)
Introduction to Data Network Design
- Introduction to Network Engineering
- Requirements analysis
- Flow models
- High-Level Architecture Design
- Component architecture and Reference architecture
- Architectural models
- Systems and network architectures
- Choices regarding service and vendor architecture
- Low-Level Topology Design
- Enterprise network design
- LAN/WAN design
- IP network design
- Security and privacy design
- Network management design
- Network operations design
Requirements
A solid technical grasp of fundamental computer operating systems is required.
21 Hours
Testimonials (2)
The complexity and the way of approaching and presenting the concepts
Andreea GINGU
Course - Data Communications Networks - Theory and Practice
He is very creative and He likes for us to have good questions.
