Data Networking, VPNs and APNs

Course Overview (3 Days)

Quick Course List

SBI specialises in customised training and development for organisations and their internal company requirements (with a minimum group size of 8 students).

We do not offer public, open courses.

Description

A simple introduction to data networking and how data is carried on public service provider networks

This training course is the best way to fill in the gaps and get up to speed quickly on data networking, IP, the Internet, security and VPN technologies. It has been designed to give delegates an understanding of data communication principles, practices and terminology and how they are employed within modern communication networks.

The course presents information in simple, easy to understand language that enables you to make sense of technical concepts, details and many acronyms. You will not be bombarded with over theoretical and superfluous information. The session is practical in its form and provides many useful examples. This course has been designed to give you relevant and useful information on data networking. Its focus is on developing your knowledge and skills to the level where you are able to be functional in your work place.

Course Contents

Data network fundamentals

Networking fundamentals
  • Bits and bytes
  • Bandwidth
  • Protocols
  • Analog Vs digital
  • Multiplexing
  • Standards bodies and numbering
Layers of a network
  • Infrastructure
  • Applications
How data is carried
  • Packets
What is a data network infrastructure?
3 building blocks, LANs, WANs and routers
  • LANS
    • Wired and wireless Ethernet
    • Hubs, switches
  • WANS
  • Wired
    • Leased lines, E1, nx64
    • DSL / ADSL
    • Frame relay, DLCI's
    • ISDN
  • Wireless
    • GPRS, 3G, HSDPA etc..
    • Operation, functionality, bandwidth, roaming, resilience, etc..
  • Routers
Data networks Vs. traditional voice networks
  • Packet Vs. Circuit switching
How data moves through the network
  • TCP/IP
  • Addressing and reliability
  • IP addressing
  • Private Vs public addressing
  • NAT

The Internet

Introduction to the Internet
  • History
  • Architecture
  • ISP’s
Domain name service (DNS)
  • Structure and number to name mapping
Some typical data application protocols
  • HTTP and HTML
  • WAP
  • SMTP
  • Telnet
Typical servers found in the Internet environment
  • Mail
  • Web
  • Proxy

Security

Firewalls
  • Perimeter security / access control
  • Ports
Data privacy / confidentiality
  • Authentication
  • Encryption
  • Radius
IPSec

MPLS

Traditional routing Vs. MPLS
  • Packet labeling
  • MPLS tunnels
Traffic engineering
Bandwidth management

QOS

What is quality of service
  • Latency, jitter, loss
  • Guarantees
  • Timing, round trip delays
Packet prioritization / marking

Virtual private networks (VPNs)

What is a VPN?
  • Why have them
  • Tunnels
Types of VPN tunnels
  • MPLS
  • Frame relay
  • IPSec

Understanding the Vodacom network

Network architecture
Components of the network
Operation of the GPRS IP network
  • APN, address mapping
  • SGSN
  • GGSP
Dynamic Vs. direct access

Voice over IP (VoIP)

Network convergence and the future
  • How VoIP works
  • Packetizing voice
  • Compression
  • Typical components in a VoIP network

Typical customer environment

Understanding the customer’s environment
  • Data network
  • Voice network
  • Internet access