What is a Network? A network refers to two or more connected computers that can share resources such as data, a printer, an Internet connection, applications, or a combination of these resources.

Layering In An Internet Our layering diagrams only show two computers connected to a network The Internet contains multiple networks interconnected by routers Routers only need layer 2 and layer 3 …

The specification of the network topology diagram requires the definition of the characteristics and entities underlying the network: -Geographical locations of the different components or subnets …

Internal nodes of the network called routers or switches will then try to ensure that the packet is delivered to the requested destination. The concept of packets and packet switching was first …

From a performance standpoint, we study the causes of packet delay and loss in computer network. We identify key architectural principles in networking, including layering and service models. We provide …

The network model you choose will affect a network infrastructure’s design and how it is administered. The model or models used can have an impact on the location of computers, how users access …

A network is designed as a hierarchical or layered architecture in which every module or layer provides services to the upper layer. Users, sitting at the top layer of the network, communicate as if there is …