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The Medium Access Control Sublayer Chapter 4 4.3 - 4.5
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Ethernet a)Physical layer b)MAC sublayer protocol c)Ethernet performance d)Switched Ethernet e)Fast Ethernet f)Gigabit Ethernet g)10 Gigabit Ethernet h)IEEE 802.2: Logical Link Control i)Retrospective on Ethernet
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Classic Ethernet Physical Layer a)Architecture of classic Ethernet
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 MAC Sublayer Protocol (1) a)Frame formats. (a) Ethernet (DIX). (b) IEEE 802.3.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 MAC Sublayer Protocol (2) a)Collision detection can take as long as 2 .
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Ethernet Performance a)Efficiency of Ethernet at 10 Mbps with 512-bit slot times.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Switched Ethernet (1) a)(a) Hub. (b) Switch.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Switched Ethernet (2) a)An Ethernet switch. Switch Twisted pair Switch ports Hub
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Fast Ethernet a)The original fast Ethernet cabling.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Gigabit Ethernet (1) a)A two-station Ethernet
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Gigabit Ethernet (2) a)A two-station Ethernet
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Gigabit Ethernet (3) a)Gigabit Ethernet cabling.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 10 Gigabit Ethernet a)Gigabit Ethernet cabling
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Wireless Lans a)802.11 architecture and protocol stack b)802.11 physical layer c)802.11 MAC sublayer protocol d)802.11 frame structure e)Services
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.11 Architecture and Protocol Stack (1) a)802.11 architecture – infrastructure mode Access Point Client To Network
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.11 Architecture and Protocol Stack (2) a)802.11 architecture – ad-hoc mode
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.11 Architecture and Protocol Stack (3) a)Part of the 802.11 protocol stack.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The 802.11 MAC Sublayer Protocol (1) a)Sending a frame with CSMA/CA.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The 802.11 MAC Sublayer Protocol (2) a)The hidden terminal problem.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The 802.11 MAC Sublayer Protocol (3) a)The exposed terminal problem.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The 802.11 MAC Sublayer Protocol (4) a)The use of virtual channel sensing using CSMA/CA.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 The 802.11 MAC Sublayer Protocol (5) a)Interframe spacing in 802.11
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.11 Frame Structure a)Format of the 802.11 data frame
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Broadband Wireless a)Comparison of 802.16 with 802.11, 3G b)802.16 architecture and protocol stack c)802.16 physical layer d)802.16 frame structure
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 Comparison of 802.16 with 802.11 and 3G a)The 802.16 architecture
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.16 Architecture and Protocol Stack a)The 802.16 protocol stack
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.16 Physical Layer a)Frames structure for OFDMA with time division duplexing.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.16 MAC Sublayer Protocol a)Classes of service b)Constant bit rate service. c)Real-time variable bit rate service. d)Non-real-time variable bit rate service. e)Best-effort service.
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Computer Networks, Fifth Edition by Andrew Tanenbaum and David Wetherall, © Pearson Education-Prentice Hall, 2011 802.16 Frame Structure a)(a) A generic frame. (b) A bandwidth request frame.
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