The Network Layer

• Network Layer Basics
• Network Layer Protocols
• Forwarding and Routing
• “Route Print?Command in Windows
• Home Exercise 4A
• ATM Networks
• Classes of Service
• ATM Classes of Service
• Network Service Models
• What's Inside a Router?
• Types of Switching Fabrics
• Where Does Queuing Occur?
• Ideal Buffering
• Packet Dropping Policies
• Head-of-Line Blocking
• Network Layer Basics: Review
• Forwarding Protocols
• IP Datagram Format
• IP Fragmentation Fields
• IP Fragmentation and Reassembly
• Homework 4B
• IP Address Classes
• IP Addressing
• Subnetting
• IP addressing: CIDR
• Home Exercise 4C
• Forwarding an IP Datagram
• Route Aggregation
• Private Addresses
• Network Address Translation (NAT)
• Universal Plug and Play
• Home Exercise 4D
• DHCP
• DHCP Example
• ICMP
• ICMP: Message Types
• ICMP Messages
• Trace Route Example
• IPv6
• IPv6 Header
• IPv6 vs. IPv4
• IPv4 to IPv6 Transition
• Forwarding Protocols: Review
• Routing Algorithms
• Rooting or Routing
• Routeing or Routing
• Graph abstraction
• Distance Vector vs Link State
• Dijkstra’s Algorithm
• Dijkstra’s Algorithm: Example
• Bellman-Ford Algorithm
• Bellman-Ford: Tabular Method
• Routing Algorithms: Summary
• Homework 4E
• Routing Protocols
• Autonomous Systems
• Routing Protocols
• Routing Information Protocol
• Shortcomings of RIP
• Counting to Infinity Problem
• Improving Convergence
• Static vs Dynamic Routing
• Open Shortest Path First (OSPF)
• Router Types
• Metrics (Cost)
• Maintaining the Database
• OSPF Areas
• Backbone Area
• Inter-Area Routing
• Routing Info from Other ASs
• Border Gateway Protocol
• BGP Operations
• BGP Routing Policy Example
• Intra- vs. Inter-AS Routing
• Routing Protocols: Summary

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