Networks

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A collection of material dealing with Telecommunications Network Technologies
Topic Topic Title
1 Introduction and Basic Concepts
  • Networks - What are they about?
  • The CAN - From Twisted Pair to Broadband
  • Switching Types
  • Network Structures
  • The Internet - How are networks and the internet related?
  • Telecommunications Traffic - What is it?
  • Routing - From fixed to Dynamic
2 Mux's, Switches, Traffic and Probability
  • Multiplexing and Crosspoint Arrays
  • Switch Representation Schemes
  • Basic Traffic Concepts
  • Probability Distributions and the Modelling of Traffic
3 Switch Architectures for Circuit Mode Switching
  • Multiplexing and TDM Bus Switches
  • Timeslot Interchange
  • Space and Time Switching
  • AXE10 as an Example Switch
4 Modelling Traffic – The Probability State Transition Diagram
  • Probability distributions for arriving and departing calls
  • The General Equations of State
  • The Specific Case of Statistical Equilibrium
  • Erlangs Loss Formula
5 Modelling of Link Systems
  • Link Modelling Schemes
  • Loss Factors and State Dependent Transition Models
  • Blocking Probabilities of Switches
6 Protocol Modelling of Networks
  • The OSI Reference Model and the Two Parts pf the Telecommunications Network
  • The Elements of the OSI Reference Model
  • Layer Detail
  • A Comparison with Internet Models
7 The ISDN Concept
  • Network Segmentation
  • Protocol Modelling Basics
  • N-ISDN Reference Configurations
  • The N-ISDN User-Network Interface
8 OverView of D Channel DSS-1 Call Control
  • The ISDN Concept Revised
  • From N-ISDN to B-ISDN
  • DSS1 Layer 3 and CSS7 Interaction
  • D Channel protocol Hierarchy
  • Setting up a N-ISDN Connection
  • DSS1 Layer 3 message Structure
9 DSS-1 Layer 2 (D-Channel Data Link Layer)
  • D Channels Layer 2 Frames and Fields
  • Aspects of the D Channel DataLink LayerN
10 Frame Relay Overview
  • Frame Relay Physical Architecture
  • Frame Relay Standards
  • DSS1 Layer 3 and CSS7 Interaction
  • Frame Relay Protocol Architecture
  • Setting up a N-ISDN Connection
  • Aspects of Frame Relay Operation
    1. CIR
    2. SVC’s and PVC’s
    3. LAPF and DL-Core
11 Frame Relay Design and Basic Queues
  • Frame Relay Transmissin and Switching Aspects
  • Introduction to Queues
12 State Transition Modelling of Queues
  • Local and Global Balance Equations
  • Use of the Balance Equations in Analysing a Basic Queue
  • Little’s Law
  • The State Dependent Queueing System and its Application to Finite Buffer Size Queues
13 Asynchronous Transfer Mode Introduction
  • Layered Communications Revised
    1. PDU’s and SDU’s
    2. Segmentation and Re-Assembly
  • B-ISDN Network Structures
  • ATM Cell Structure
  • VPI’s and VCI’s
14 ATM Virtual Paths and Virtual Channels
  • ATM Network Network Connections
    1. VPI’s, VCI’s and Switch Tables
  • ATM UNI Protocol Architecture
  • Cell Boundary Identification
  • Traffic Types – CBR, VBR and ABR
15 ATM Cell Switching
  • VPI’s and VCI’s
  • Examples of Cell Switching Architectures
16 An Introduction to CCSS7
  • Signalling Networks and their evolution
  • Signalling System Requirements
  • SP, STP, Link Sets, Link Groups adn other Elements
  • SS7 Design Principles
  • Control and User Plane Introduced
  • SS7 Protocol Architecture
  • Detail of the UNI to SS7 Interaction
  • Circuit Related and Non Circuit Related Signalling
17 CCSS7 – The Message Transfer Part (MTP)
  • Overview of MTP Functionality
  • General MTP Message Structure
  • Detailed View of the MSU
  • Example Use of the SIF (Carriage of ISUP Message)
  • MTP Error Correction
  • MTP Level 3 Functional Model
  • Example - The Role of the MTP in N-ISDN Signalling
18 CCSS7 – The Signalling Connection and Control Part (SCCP)
  • SS7 Evolution to Non Circuit Related Data Transfers
  • Architecture of SS7 with SCCP
  • Functions of the SCCP
  • The Four Connection Types of the SCCP
  • SCCP Message Structure
  • SCCP Addressing and Global Title Translation
  • The Mechanics of an Intelligent Network (IN) Transaction
  • The Mobile Network as an IN
19 CCSS7 – The ISDN User Part (ISUP)
20 The Intelligent Network