Network

Every computer in a network has an IP address by which it can be uniquely identified and addressed. An IP address is Layer-3 (Network Layer)… Read More »DCN – Network Layer Protocols

In real world scenario, networks under same administration are generally scattered geographically. There may exist requirement of connecting two different networks of same kind as… Read More »DCN – Internetworking

When a device has multiple paths to reach a destination, it always selects one path by preferring it over others. This selection process is termed… Read More »DCN – Network Layer Routing

Layer 3 network addressing is one of the major tasks of Network Layer. Network Addresses are always logical i.e. these are software based addresses which… Read More »DCN – Network Addressing

Layer-3 in the OSI model is called Network layer. Network layer manages options pertaining to host and network addressing, managing sub-networks, and internetworking. Network layer… Read More »DCN – Network Layer Introduction

Data-link layer is responsible for implementation of point-to-point flow and error control mechanism. Flow Control When a data frame (Layer-2 data) is sent from one… Read More »DCN – Data-link Control & Protocols

There are many reasons such as noise, cross-talk etc., which may help data to get corrupted during transmission. The upper layers work on some generalized… Read More »DCN – Error Detection & Correction

Data Link Layer is second layer of OSI Layered Model. This layer is one of the most complicated layers and has complex functionalities and liabilities.… Read More »DCN – Data-link Layer Introduction

Switching is process to forward packets coming in from one port to a port leading towards the destination. When data comes on a port it… Read More »DCN – Network Switching

Multiplexing is a technique by which different analog and digital streams of transmission can be simultaneously processed over a shared link. Multiplexing divides the high… Read More »DCN – Multiplexing