Network Elements: Recap Applications( the only element that users care about) Computers Clients Never talk about an Servers innovation"reducing cost, increasing speed, etc · Switches and routers without specifying Transmission lines Which element is cheaper or faster Trunk lines Access Lines For example, multiplexing Messages(Frames) only reduces the cost of trunk lines: other Wireless access points costs are not decreased3 Network Elements: Recap • Applications (the only element that users care about) • Computers – Clients – Servers • Switches and Routers • Transmission Lines – Trunk lines – Access Lines • Messages (Frames) • Wireless Access Points Never talk about an innovation “reducing cost,” “increasing speed,” etc. without specifying which element is cheaper or faster. For example, multiplexing only reduces the cost of trunk lines; other costs are not decreased