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MOOC Massive Open Online Courses (Academic Year 2018/2019)

Computer networks



Video professors: Mario Baldi - Politecnico di Torino (Torino - Italy)

Videolesson

Lesson n. 1: An introduction to computer networks
   Some basic concepts
   Protocols and standardization
   Types of computer networks
   Channel types
   Interconnection topologies
   Multiplexing
   Switching 		Go to this lesson Mario Baldi
Lesson n. 2: ISO/OSI protocol architecture
   Layered models
   The OSI architecture
   Layer interaction 		Go to this lesson Mario Baldi
Lesson n. 3: Physical layer
   Digital transmission
   Channel interaction
   Copper media
   Amplifiers and repeaters 		Go to this lesson Mario Baldi
Lesson n. 4: Error control
   Error protection and correction
   ARQ: automatic retransmission request
   Performance with ARQ
   Window-based ARQ 		Go to this lesson Mario Baldi
Lesson n. 5: Ethernet and IEEE 802.3 Networks. Medium Access Control Layer
   Local Area Network requirements and features
   IEEE 8O2 Protocol Model
   MAC addresses
   CSMA/CD MAC
   IEEE 8O2.3 Frame Format
   Frame reception 		Go to this lesson Mario Baldi
Lesson n. 6: Ethernet and IEEE 802.3 Networks. Logical Link Control Layer, Physical Layer, Network Dimensioning
   Logical Link Control
   Physical layer standards
   Network design and dimensioning
   Key to success 		Go to this lesson Mario Baldi
Lesson n. 7: LAN interconnection through transparent bridging
   Bridging
   Deployment evolution
   Operating principles
   Sample operation 		Go to this lesson Mario Baldi
Lesson n. 8: Spanning tree protocol
   Problem with transparent bridging
   A standard solution
   A closer look at the internals
   Topology changes
   Shortcomings 		Go to this lesson Mario Baldi
Lesson n. 9: Ethernet/IEEE 802.3 evolution. Fast Ethernet
   Goals and facts
   Fast Ethernet 		Go to this lesson Mario Baldi
Lesson n. 10: Ethernet/IEEE 802.3 evolution. Gigabit speeds
   Gigabit Ethernet
   Optical communications basics
   1OG Ethernet
   4O/1OOG Ethernet 		Go to this lesson Mario Baldi
Lesson n. 11: Wireless LAN - IEEE 802.11
   Features and constraints
   Standardization effort
   Deployment scenarios
   MAC Layer Services
   Medium Access Control 		Go to this lesson Mario Baldi
Lesson n. 12: Internet and Internet Protocol Version 4 (IPv4)
   A bit of history
   The TCP/IP protocol architecture
   IPv4 General Features
   Packet Format
   Fragmentation and reassembly 		Go to this lesson
Lesson n. 13: IP addressing
   Network architecture
   Address format
   Netmask 		Go to this lesson
Lesson n. 14: IP Packet Routing
   Host routing decision
   Prefixes and physical networks
   Prefix matching
   Router operating principles and addressing scenarios 		Go to this lesson
Lesson n. 15: ARP and ICMP
   Address resolution protocol
   Proxy ARP
   Reverse ARP
   Internet Control Message Protocol 		Go to this lesson
Lesson n. 16: The transport layer
   Transport layer in the Internet
   Multiplexing and demultiplexing
   UDP: User Datagram Protocol
   TCP: Transport Control Protocol 		Go to this lesson
Lesson n. 17: TCP Transport Control Protocol. Deeper Dive
   Segment format
   Connection management
   Error control
   Flow control 		Go to this lesson
Lesson n. 18: Domain Name System
   Basic principles
   Domain name and server hierarchy
   Name resolution
   Message format
   DNS extensions 		Go to this lesson
Lesson n. 19: Application layer and electronic mail
   Application layer
   Mail delivery architecture
   Mail transfer protocol
   Mail access protocols 		Go to this lesson
Lesson n. 20: The World Wide Web
   A recipe for success
   The hyper-text transfer protocol
   Advanced features
   Performance improvement 		Go to this lesson
Lesson n. 21: Address assignment and private addresses
   Address assignment
   Private addresses
   Public and private intranet
   NAT: network address translation 		Go to this lesson
Lesson n. 22: Host configuration
   Manual configuration
   Dynamic configuration: DHCP
   Automatic configuration 		Go to this lesson
Lesson n. 23: Routing algorithms
   Routing and forwarding
   Non-adaptive routing
   Dynamic routing
   Distance vector algorithm
   Link state algorithm 		Go to this lesson
Lesson n. 24: Internet routing architecture
   Routing protocol and routing domain
   Autonomous System
   Internet routing architecture 		Go to this lesson
Lesson n. 25: Routing protocols and “SPECIAL” delivery
   Two protocol families
   Interior gateway protocols
   Exterior gateway protocols
   Content delivery networks
   IP multicasting 		Go to this lesson
Lesson n. 26: Information security
   Information security challenges
   Cryptography
   Addressing information security challenges
   Digital certificates 		Go to this lesson
Lesson n. 27: Network security
   Attack types
   Defenses
   IPsec: IP Security
   SSL: Secure Socket Layer
   Firewalling 		Go to this lesson
Lesson n. 28: IP version 6 (IPV6) - part 1
   A new version of IP: why?
   Addresses
   Modified protocols
   Socket programming interface 		Go to this lesson
Lesson n. 29: IP version 6 (IPV6) - part 2
   Packet header format
   Neighbor discovery
   Transition to IPv6(?) 		Go to this lesson
Lesson n. 30: Mobility in IP Networks
   Mobility challenges
   Mobile IP
   Proxy Mobile IPv6
   Locator/Identifier Separation Protocol
   Host Identity Protocol 		Go to this lesson