June 26, 2022

As mentioned in the first section of this chapter, there are three main types of datalink layers : point-to-point links, LANs supporting broadcast and multicast and NBMA networks. There are two important issues to be addressed when using IPv4 in these types of networks. The first issue is how an IPv4 device obtains its IPv4

There are two possible internal organisation of the network layer : Datagram Virtual circuits The internal organisation of the network is orthogonal to the service that it provides, but most of the time a datagram organisation is used to provide a connectionless service while a virtual circuit organisation is used in networks that provide a