Network Layer

Computer Networks Chapter 5 Network Layer 1 By Abdul Ghaffar

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],Overview

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Network Layer Design Issues ,[object Object],[object Object],[object Object],Services Provided to the Transport Layer

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Services Provided to the Transport Layer

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TWO VIEWS OF THE WORLD

Network Layer Design Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TWO VIEWS OF THE WORLD

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],Overview What matters when doing routing? What are various techniques to do that routing? Which is best?

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Routing Algorithms ,[object Object],[object Object],[object Object],Optimality Principle

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Shortest Path Non-Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Shortest Path Non-Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flooding Non-Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],Flooding Non-Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flow Based Routing Non-Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Adaptive Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],Adaptive Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Distance Vector Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],Distance Vector Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Link State Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Link State Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Hierarchical Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],Hierarchical Routing Adaptive Algorithm ,[object Object],[object Object],[object Object],[object Object],[object Object]

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Broadcast Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Broadcast Routing Adaptive Algorithm

Routing Algorithms ,[object Object],[object Object],[object Object],Other Routing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Congestion Control ,[object Object],[object Object],[object Object],Overview What’s the problem? What polices are needed? Congestion Tactics: Control and Prevention

Congestion Control ,[object Object],[object Object],Overview Congested Desired Perfect Maximum carrying Capacity of subnet Packets sent Packets delivered

Congestion Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Congestion Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Congestion Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Overview

Congestion Control Affecting policies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Congestion Control ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Traffic Shaping

Congestion Control Leaky Bucket Algorithm

Congestion Control ,[object Object],[object Object],Token Bucket Algorithm

Network Layer

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Network Layer