Lec-40: Network Layer – Responsibilities and OSI Model Overview

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Network layer is third layer of the OSI model. It provides end-to-end communication and logical addressing between hosts in different networks. It is responsible for routing packets, logical addressing, and providing network-level services.

0:00 - Introduction
0:41 - Host to Host Delivery
2:40 - Logical Address
4:28 - Routing
8:13 - Fragmentation
10:27 - Congestion control

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