Chapter 2 Communicating Over the Network Quangkien@ .Overview Describe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Explain the advantages of using a layered model to describe network functionality. Describe the role of each layer in two recognized network models: The TCP/IP model and the OSI model. Describe the importance of addressing and naming schemes in network communications. 2 .The Platform for Communications .Elements of Communication 4 .Communicating the Messages Continuous stream of bits 00101010100101010101010101010101010 I have to wait Single communications (. video, e-mail message) could be: Continuous stream of bits Take over (hog) the network