Transcript Beginning - The University of Sydney

COMP5416
Advanced Network Technologies
http://teaching.landfeldt.com
Bjorn Landfeldt
The University of Sydney
School of Information Technologies
Unit of Study Scope
• Delivering Quality of Service in Advanced Networks
• Mechanisms to Achieve QoS
• Evaluating QoS by
– Simulation
– Queueing Models
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01-2
Assumed Knowledge
• Knowledge of networking to level of COMP5116
Internet Protocols
• Ability to program in a general-purpose programming
language, mainly C/C++
• Basic knowledge of probability and random variables
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01-3
Textbook
Textbook: William Stallings, High-Speed Networks and Internets:
Performance and Quality of Service, 2/E, Prentice-Hall, 2002
ISBN: 0-13-032221-0
Textbook Website: http://williamstallings.com/HsNet2e.html
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Future Telecommunications Networks
3G/4G
LAN
Wireless
Access Network
WiFi
Wima
x
IP Core Network
Fixed
Access Network
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01-5
Subject Structure
Part 1 (Performance Modelling)
 Introduction.
 Asynchronous Transfer Mode (ATM)
 High-Speed LANs
 Simulation
 Probability and Stochastic Processes
 Queuing Analysis
 Self-Similar Traffic
Chapter 1
Chapter 5
Chapter 6
Notes
Chapter 7
Chapter 8
Chapter 9
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Subject Structure (cont’d)
Part 2 (Traffic Control and QoS)
 Congestion Control
 TCP Traffic Control
 Traffic & Congestion Control in ATM
 Integrated and Differentiated Services
 Protocols for QOS Support
Chapter 10
Chapter 12
Chapter 13
Chapter 17
Chapter 18
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Week
Contents
Textbook
Week 1
Introduction.
The Need for Speed and Quality of Service
Advanced TCP/IP and ATM Networks
Asynchronous Transfer Mode (ATM)
ATM Protocol Architecture. ATM Logical Connections ATM Service Categories
Chapter 1
Week 2
High-Speed LANs.
The Emergence of High-Speed LANs. Ethernet.. Wireless LANs.
Simulation
Simulation Overview
Chapter 6
Week 3
Overview of Probability and Stochastic Processes.
Probability. Random Variables. Stochastic Processes.
Simulation.
Analysing output.
Chapter 7 &
Notes
Week 4
Queuing Analysis
Single server queues
Simulation
Generating random variables
Chapter 8 &
Notes
Chapter 5
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01-8
Week 5
Queuing Analysis
M/G/1 Queue. Multiserver Queues
Chapter 8
Week 6
Self-Similar Traffic.
Self-Similarity. Self-Similar Data Traffic. Performance Implications of Self-Similarity
Chapter 9
Week 7
Congestion Control in Data Networks and Internets.
Effects of Congestion.
Congestion and Control
Traffic Management.
Chapter 10
Week 8
TCP Traffic Control.
TCP Flow Control
TCP Congestion Control.
.
TCP Traffic Control.
Performance of TCP.
Chapter 12
Week 9
Chapter 12
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01-9
Week11
Traffic and Congestion Control in ATM Networks.
Requirements for ATM Traffic and Congestion Control.
ATM Traffic-Related Attributes.
Traffic Management Framework. Traffic Control
ABR Traffic Management. GFR Traffic Management
Chapter 13
Week12
Integrated and Differentiated Services.
Integrated Services Architecture (ISA). Queuing Discipline.
Active Queueing Management. Differentiated Services
Chapter 17
Week13
Protocols for QOS Support.
Resource Reservation: RSVP.
Multi-Protocol Label Switching
Chapter 18
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01-10
Assessments
Component
Simulation Assignment 1
% of Final
Grade
10
Due Date
Monday 20 August
Take-home Quiz
10
Monday 10 September
Simulation Assignment 2
20
Monday 15 October
Written examination
(two hours)
60
To be advised
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01-11
Mechanics
• Laboratories
– Start week 3
– Will address the simulation part of this subject
– Last 3 labs would be tutorials instead
• Lectures
– No class Monday 24 September (Mid-semester break)
– No class Monday 1 October (Labour Day Public Holiday)
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