232B_1_Overview_Rubin_EE232B 12 12 2015A - EE232B...

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EE232B - Telecommunications Switching and Queueing Systems : Overview Professor Izhak Rubin [email protected] Electrical Engineering Department UCLA © by Izhak Rubin, 2015-2016
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Prof. Izhak Rubin Part 1: Stochastic Processes and Regenerative Queueing Models Overview of discrete-time Markov Chains Students to self review Overview of traffic processes and renewal theory Students to self review Continuous time Markov Chains Queueing Systems: Definitions Illustrative applications: computer communications networks, wireless networks, switching systems and networks, Internet. Properties and Regenerative Queueing Processes © by Izhak Rubin, 2015-2016
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Prof. Izhak Rubin Part 2: Queueing Systems Markovian Queueing Systems Non Markovian Queueing Systems The M/G/1 queueing system The GI/M/m queueing system GI/G/1 queueing system Priority Queueing Queueing Networks © by Izhak Rubin, 2015-2016
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Prof. Izhak Rubin HWs, Exams, Texts and Grading HWs Weekly Exams Midterm (1:50 hours) Final (3 hours) Texts Copies of Class Lectures (uploaded progressively to class website) Reference text by Gross and Harris (independent reading by students in accordance with covered class material): D. Gross, J.F. Shortle , J.M. Thompson, C.M. Harris, “Fundamentals of Queueing Theory, J. Wiley, 2008. Grading HW assignments = 25% Midterm = 25% Final = 49% Student evaluation = 1% © by Izhak Rubin, 2015-2016
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Illustrative Application of Queueing Models © by Izhak Rubin, 2015-2016
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Prof. Izhak Rubin Network Fundamentals Computer networking performance measures Multiplexing and multiple-access Traffic/service models using the PLANYST tool Topologies and basic architectures Switching architectures and performance features: circuit and packet switching methods; connectionless and connection-oriented packet switching networks. Error control: Automatic Repeat Request (ARQ) Flow-control and congestion-control; window/pacing and input rate control schemes. Routing methods. © by Izhak Rubin, 2015-2016
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© by Izhak Rubin, 2015-2016 Connectionless (datagram) packet switching: switch/router system Routing table Switching fabric Output line Output line Header processor Input Buffers Output Buffers Router: Provides switching and routing services; engages in calculating routes and configuring its routing table. Switching/routing rate measured in packets/sec Spatial diversity induces variable message rate feeding output queues, leading to queuing delays at the output buffers
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Prof. Izhak Rubin Communication and Network Protocols The Open System Interconnect layered protocol architecture and reference model Communications networking protocol standards © by Izhak Rubin, 2015-2016
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Prof. Izhak Rubin Multi-Access Protocols Multiple-access schemes and algorithms and their delay-throughput performance characteristics and implementation considerations.
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