Networks and Distributed Computing

Architectures for Networks and Distributed Systems

• Link to ComputingAndNetworkArchitectures

Communication and networking

• Network standards
  • Standardization bodies
  • ISO 7-layer reference model (OSI model)
  • TCP/IP reference model
  • IEEE 802.x
• Switching modes
  • Circuit switching
    • Examples
      • PBX
      • POTS
      • ISDN
  • Packet switching * Data Grouping (revisit this title)
  • Streams
  • Datagrams
• Physical Media
  • Wired
  • Wireless * Network device types
• Physical Layer (Layer 1)
  • Encoding and Modulating
  • Topology
  • Signaling techniques
  • Transmission impairments
  • Protocol Examples
    • BlueTooth^?
  • Cellular technologies
  • Bandwidth
  • Link to Shannon's Theorem/Law in Mathematical Foundations
  • Link to Error Control Codes in Mathematical Foundations
  • Link to Compression in Mathematical Foundations
• Data link layer (Layer 2)
  • Logical Link Control
  • Medium Access Control
    • Multiplexing
    • Framing
    • MAC layer addressing
    • Medium interfacing
      • Collision control
      • Token-based access
  • Error Detection and control
  • Layer 2 Switching
    • Spanning Tree
    • Source Routing
  • Virtual LANs
  • Protocol Examples
    • Ethernet/IEEE 802.3
    • HDLC
    • PPP
    • ATM
    • Frame Relay
    • IEEE 802.11
• Network layer (Layer 3)
  • Routing
    • Routing algorithm
    • Routing protocols
    • Layer 3 Switching
  • Fragmentation and Reassembly
  • Addressing
  • Protocol examples * IP * ICMP
  • Roaming
    • Example Protocols
      • IP Mobility Support
• Transport layer (Layer 4)
  • Connection management
  • Reliability
  • Flow control
  • End to end transmission
  • Segmentation
  • Protocol examples
    • TCP
    • UDP
• Application layer
  • Protocols
    • Example Protocols * HTTP * FTP * Telnet * SMTP * DNS * Other
  • Gateway
  • Middleware
    • Remote Procedure Call (RPC)
    • Transaction Processing Monitors (TPM)
    • Message-Oriented Middleware (MOM)
    • Object Request Broker (ORB)

Network Security Link to Security Topics

Process distribution

• Mainframe
• File sharing (processing on local computer, but files stored on separate unit)
• Client-server
  • Two tiered
  • n-tiered
• Grid comptuing
• Mobility support

Network Management

• Performance Management
  • Network Evaluation
    • Bandwidth
    • Throughtput
    • Latency
    • Jitter
• Fault Management
• Configuration Management
  • Domain names
    • Name services
• Accounting Management
• Link to SECURITY MANAGEMENT in Security^?
• Examples of Protocols
  • SNMP (Simple Network Monitoring Protocol)
  • RMON (Remote Monitoring)
• Network Management Software

Quality of Service

• Approaches
  • Differentiated Services
  • Integrated Services
    • Example Protocol
      • RSVP (Reservation)
• Congestion Management
• Queue Management
• Link Efficiency
• Traffic Shaping and Policing

Wireless and mobile computing

• Categories of technologies
  • Personal Area Networks
    • Protocol Examples
      • Bluetooth
      • IEEE 802.15
  • Wireless Local Area Networks (WLAN)
    • Protocol Examples
      • IEEE 802.11a
      • IEEE 802.11b
      • IEEE 802.11g
  • Wireless WAN access technologies
    • Protocol Examples
      • GPRS
      • GSM
      • CDMA2000 1x
      • WCDMA
      • CDMA2000 EV-DO
  • Fixed wireless technologies
    • Protocol Examples
      • WiMAX^?
  • Satellite communications
• Context-aware computing
• Links to other layer protocols

Internetworking

Network design

• Topology
• Architecture

Requirements Specification

• Functional Specification