COMPUTER NETWORK AND SECURITY
INTRODUCTION TO COMPUTER NETWORK
- Definition, Uses And Benefits
- Overview Of Network Topologies
- Overview Of Network Types
- Protocols And Standards
- Osi Reference Model
- Tcp/Ip Model
- Comparison Of Osi And Tcp/Ip
- Connectionless And Connection Oriented Network Services
- Internet, Isp, Backbone Overview
- Client Server And Peer To Peer Network
- Assignemnt -Chapter 1
- Chapter 1 Slides-Bca
- Chapter 1 Slides-Bsccsit
PHYSICAL LAYER
DATA LINK LAYER
- Definition And Function
- Overview Of Llc And Mac
- Framing
- Flow Control
- Channel Allocation Techniques
- Ethernet Standards
- Dll Protocol
- Hamming Code-(Error Detection And Correction)
- Asynchronous Transfer Mode(Atm)
- Ieee 802.11
- Error Detection And Correction
- Parity Check - Error Detection
- Checksum -Error Detection
- Crc- Cyclic Redundancy Code
- Data Link Layer - Slides
NETWORK LAYER
- Introduction And Function
- Ipv4 Addressing And Subnetting
- Classful Address And Classless Addressing
- Ipv6 Addressing And Features
- Ipv4 And Ipv6 Header Format
- Comparision Of Ipv4 And Ipv6
- Example Address: Unicast, Multicast And Broadcast
- Example Address: Unicast, Multicast And Broadcast
- Routing And Routing Table
- Types Of Routing (Static Vs Dynamic, Unicast Vs Multicast,Link State Vs Distance Vector, Interior Vs Exterior)
- Routing Algorithm
- Routing Protocols
- Ipv4 To Ipv6 Transition Mechanism
- Icmp And Icmpv6
- Nat
- Network Traffic Analysis
- Firewall
- Access Control List
- Path Computation Algorithm
- Subnetting Numerical
Transport Layer
Multiple Choice Question
Application Layer
Network Security
Multimedia and Future Networking
COMPUTER NETWORK LAB WORK
- Lab 5:Basic Router Configuration
- Static Routing
- Dynamic Routing
- Creation Of Vlan And Trunking
- Creating A Lan And Connectivity Test In Lan
- Lab 3: Basic Network Command
- Implement Firewall Using Packet Tracer
- Basic Firewall Implementation
- Dns And Web Server Configuration
- Ftp
- Acl(Access Control List)
- Ethernet Cabling- Straight And Crossover
- Lab 1: Prepare A Hardware And Software Specification For Basic Computer System
- Lab 3: Determine Appropriate Placement Of Networking Device On A Network
The transition from IPv4 to IPv6 is a critical process due to the exhaustion of IPv4 addresses and the need for a larger address space to support the growing number of devices connected to the Internet. Several mechanisms and strategies have been developed to facilitate the transition from IPv4 to IPv6. Here are some key mechanisms:
1. Dual-Stack Transition Mechanism:
- Description: In a dual-stack network, both IPv4 and IPv6 protocols are implemented and run concurrently on network devices, allowing for a gradual transition.
- Benefits:
- Provides compatibility with both IPv4 and IPv6 networks.
- Enables a phased migration, allowing devices and applications to transition at their own pace.
2. Tunneling:
- Description: Tunneling involves encapsulating IPv6 packets within IPv4 packets for transmission over an IPv4 network. This allows IPv6 packets to traverse IPv4-only segments.
- Examples:
- 6in4: IPv6 packets are encapsulated in IPv4 headers.
- 6over4: Similar to 6in4 but used for IPv6 communication over IPv4 multicast networks.
- 6to4: Enables IPv6 communication over an IPv4 network without explicit tunnel configuration.
3. Translation:
- Description: Translation mechanisms allow communication between IPv4 and IPv6 networks by translating packets between the two protocols.
- NAT64/DNS64: Translates IPv6 addresses to IPv4 addresses and vice versa, enabling communication between IPv6-only and IPv4-only devices.
- SIIT-DC (Stateless IP/ICMP Translation for IPv6 Data Center): Stateless translation between IPv4 and IPv6, often used in data center environments.
