Building ATM Networks - Theoretical Lecture

A three days course

Language: English

This course is only available on request!!

COURSE DESCRIPTION
This seminar will introduce the networking concepts of Asynchronous Transfer Mode (ATM).
Both the ITU-T and ATM Forum approaches will be covered.
The routing of LANs over ATM, both legacy and ATM based will be covered.

WHO SHOULD ATTEND
Individuals who need to attain a good fundamental understanding and knowledge of the features and functions of ATM.

ASSUMED KNOWLEDGE
Basic knowledge of LANs and WANs.

WHAT YOU WILL LEARN:
Learn why ATM was initially proposed.
The ITU-T B-ISDN work
The ATM Forum work
Acceleration of standards by the ATM Forum
Service bandwidth needs
ATM Architecture
Underlying structure - SONET and SDH
Channels as Virtual Paths
Channels as Virtual Connections
The ATM Cell structure
The Adaptation Layers
Quality of Service
ATM Congestion control
ATM Traffic control
ATM Resource management
Error detection and control
LAN Emulation (LANE) over ATM
Multi Protocol over ATM (MPOA)
Classical IP over ATM
Multi Protocol Label Switching (MPLS)
ATM and Frame Relay
ATM and xDSL
Alternatives to ATM


OUTLINES:

1. What is ATM

  • ATM Concept
  • Why ATM
  • What is ATM
  • ATM Players
  • The ITU-T
  • The ATM Forum

    • >From differences toward convergence

    2. Broadband Services

  • Interactive services
  • Conversational services
  • Messaging services
  • Retrieval services
  • Distribution services
  • Broadcast services (video) - no user control
  • Broadcast services (video) - with user control
    • Service requirements
    • Narrowband
    • Wideband
    • Broadband

    3. Architecture

  • B-ISDN Reference Model
  • Physical layer
  • SONET and SDH
  • Line coding
  • ATM Layer
  • Virtual Paths and Virtual Circuits
  • ATM Adaptation Layer
  • Segmentation and Reassembly
  • Convergence
  • ATM Signaling (SAAL)
  • The Anchorage Accord
  • ATM Forum View

    • 4. SONET / SDH hierarchy

    • PDH Hierarchy
    • Proposed SONET / SDH
  • SONET / SDH rates
  • Hierarchies compared
    • Frame structure SONET
    • Frame structure SDH
    • Initial fields
  • Current fields
  • Field differences

    • 5. Overhead

    • Section overhead functions
    • Section overhead fields
    • Line overhead functions
    • Line overhead fields
    • Path overhead functions
    • Path overhead fields
    • Section, Line and Path

    6. Payloads

  • Negative byte stuffing
  • Positive byte stuffing
  • Add / drop mux
  • Connections
    • Virtual paths
    • Virtual connections
    • VP / VC switching
  • ATM cells
    • Cell size
    • Cell header fields
    • Cells as payload

    7. SDH encapsulation

  • SDH hierarchy
  • SDH payloads
  • SONET encapsulation
    • SONET hierarchy
    • SONET payloads
  • SONET to SDH mapping

    • 8. ATM Adaptation Layer

    • AAL 1
    • AAL 2
    • AAL 3 & 4
    • AAL 5
    • ATM Forum service classes
    • ITU-T service classes

    9. QOS Types

    • CBR
    • VBR
    • UBR
    • ABR
  • QOS attributes
    • Bandwidth
    • Delay
    • Reliability
    • Attributes by service

    10. ATM Traffic Control

    • Traffic shaping
    • Leaky bucket
  • Flow control
    • FIFO
    • SPQ
    • FQ
    • WRRQ
    • WFQ
  • Results of testing - Goodput
    • Partial packet congestion
    • Partial packet discard
    • Early packet discard
    • Goodput improvement

    11. ATM Congestion Control

    • Connection Admission Control
    • CAC in action
    • Equivalent capacity
    • Another view on CAC
    • Traffic policing

    12. Private Network Node Interface

  • PNNI protocol functions
  • PNNI model
  • PNNI network
  • Peer group connections
  • QOS - Generic CAC
  • GCAC calculation

    • 13 LAN Emulation (LANE)

    • Why LANE
    • LANE V1.0 architecture
    • LANE V2.0 architecture
    • V2.0 features
    • LANE User-Network Interface
    • LANE Acronyms
    • Legacy LANs
  • LANE Emulation Client (LEC)

    		•

    14. Interworking

  • Another view
  • LEC functions
    • LES functions
    • BUS functions
    • LECS functions
    • Emulated LAN (ELAN)
    • A simple LANE network

    15. LEC1 signs on - address distribution

    • Connection to LECS
    • Configuration
  • Finding LES
  • Registration
  • Finding BUS
  • LEC1 connected
  • LEC2 connected

    • 16. Finding each other

  • Through LES
  • Through BUS
  • Getting ATM address
  • LECs connect
  • IP traffic
  • Clean-up
  • LANE messages
  • Address cache
  • Summary

    • 17. Classical IP over ATM

  • Logical IP Subnetting
  • Address
  • LLC/SNAP
  • Maximum Transmission Unit
  • Address resolution
  • Connectivity
  • ATM ARP
  • NHRP
  • NHRP Server
  • NHRP Client
  • MARS

    • 18. MPOA

  • Architecture
  • Merging NHRP and LANE
  • MPOA Clients
  • MPOA Servers
  • Control and data flows
  • MPOA operations

    • 19. MPLS

    • Architecture
    • Earlier work
    • Label switching
    • NBMA networks
    • Merging
    • Label Switch Routers
    • Label Distribution Protocol
  • Loop prevention / detection
  • Other concepts
  • RSVP

    • 20. Other technologies

  • ATM and Frame Relay
  • ATM and xDSL
  • ATM and IP

    • 21. Summary and List of Standards

    • Glossary of acronyms

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    FDDI Institute
    De Regenboog 11 - 2800 Mechelen
    Belgium - Europe
    Tel 32 15 24 50 58 - Fax 32 15 25 10 50