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m en Z on e co Chapter Si nh Vi Introduction SinhVienZone.com https://fb.com/sinhvienzonevn en Z on e co Business Applications Home Applications Mobile Users Social Issues Si nh Vi • • • • m Uses of Computer Networks SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Business Applications of Networks A network with two clients and one server SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Business Applications of Networks (2) The client-server model involves requests and replies SinhVienZone.com https://fb.com/sinhvienzonevn e co Vi en Z on Access to remote information Person-to-person communication Interactive entertainment Electronic commerce Si nh • • • • m Home Network Applications SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Home Network Applications (2) In peer-to-peer system there are no fixed clients and servers SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Home Network Applications (3) Some forms of e-commerce SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Mobile Network Users Combinations of wireless networks and mobile computing SinhVienZone.com https://fb.com/sinhvienzonevn Vi en Z on e co Local Area Networks Metropolitan Area Networks Wide Area Networks Wireless Networks Home Networks Internetworks Si nh • • • • • • m Network Hardware SinhVienZone.com https://fb.com/sinhvienzonevn e co m Broadcast Networks Si nh Vi en Z on Types of transmission technology • Broadcast links • Point-to-point links 10 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m NSFNET The NSFNET backbone in 1988 42 SinhVienZone.com https://fb.com/sinhvienzonevn m Internet Usage Si nh Vi en Z on e co Traditional applications (1970 – 1990) • E-mail • News • Remote login • File transfer 43 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Architecture of the Internet Overview of the Internet 44 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m ATM Virtual Circuits A virtual circuit 45 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m ATM Virtual Circuits (2) An ATM cell 46 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m The ATM Reference Model The ATM reference model 47 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m The ATM Reference Model (2) The ATM layers and sublayers and their functions 48 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Ethernet Architecture of the original Ethernet 49 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Wireless LANs (a) Wireless networking with a base station (b) Ad hoc networking 50 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Wireless LANs (2) The range of a single radio may not cover the entire system 51 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m Wireless LANs (3) A multicell 802.11 network 52 SinhVienZone.com https://fb.com/sinhvienzonevn Vi en Z on e co Who’s Who in the Telecommunications World Who’s Who in the International Standards World Who’s Who in the Internet Standards World Si nh • • • m Network Standardization 53 SinhVienZone.com https://fb.com/sinhvienzonevn ITU • • e co on Radiocommunications Telecommunications Standardization Development en Z • • • m Main sectors National governments Sector members Associate members Regulatory agencies Si nh • • • • Vi Classes of Members 54 SinhVienZone.com https://fb.com/sinhvienzonevn Si nh Vi en Z on e co m IEEE 802 Standards The 802 working groups The important ones are marked with * The ones marked with are hibernating The one marked with † gave up SinhVienZone.com https://fb.com/sinhvienzonevn 55 Si nh Vi en Z on e co m Metric Units The principal metric prefixes 56 SinhVienZone.com https://fb.com/sinhvienzonevn
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