NETWORKING TECHNOLOGIES
A Perspective
HOW TO “DEFINE” NETWORKS
- “Who” these networks service
- Which services are provided
- Voice
- Video/Multi-media
- Data
- Where the network operates
- Local Loop/Regional/National/Global
- Level of service – QoS/Security
NETWORK “AREAS”
- Customer
- Home or Subscriber
- Business
- Enterprise
- Access
- Provider
- Services/Interconnection Providers
- Carrier
- Metropolitan Area Network (MAN)
- Wide Area Network(WAN)
- Global Area Network (GAN)
HOME/SUBSCRIBER CUSTOMER
- Services
- Voice – Traditional, wireless or IP (VoIP)
- Data – internet access
- Video – IPTV, “Cable”, Satellite
ENTERPRISE/BUSINESS CUSTOMER
- LAN Interconnection
- Internet Access
- Cloud Services
- Data Storage
- Applications
ACCESS NETWORKS
- Architecture is application/provider dependent
- Digital Subscriber Loop (DSL)
- Fiber to the Home (FTTH)
- Hybrid Fiber Coax (HFC)
- Wireless
DIGITAL SUBSCRIBER LOOP (DSL)
- Typically copper based
- Outside Plant
- Terminals
- Loads
- Repeaters
- Amplifiers
- Converters
FIBER TO THE HOME (FTTH)
- Optical fiber based
- Splitters – passive implementation
- MAN – with switches and routers (active)
HYBRID FIBER COAX
- Coax and Fiber Combo
- Fiber to distribute
- Coax to reach customer
- Amplifiers
- Nodal tap points
WIRELESS
- Towers – Cellular
- Fiber and RF to connect towers and other carriers
- Fiber to connect to ISP’s
- Access Points (AP’s) – WiFi
- Fiber and RF to connect to other AP’s
NETWORKS DEFINED BY WHAT THEY “DO”
- Data
- Voice
- Multimedia
- Video
- Audio
- Interactive Applications – cloud services