Network Concept
Networking Techniques
• Switch Network
Networking Techniques
Circuit Switching
Networking Techniques
• Message switching
Networking Techniques
• Packet switching
Networking Techniques• Cell switching (example ATM)
– Similar to packet switching
Networking Techniques
• Broadcast Network– Similar to packet radio (weather station)
Routing
• Types of routing– Adaptive routing/dynamic– Broadcast routing
Network Ownership
• Public network
• Virtual Public Network (VPN)
• Packet distribution Network PDN
• National Science Foundation Network (NSFnet)
Network type
• LAN
• WAN
• Intranet
• Internets
• Access
Network type
• LAN
Network type• WAN
Network type
Access
Distributed system
• Characteristic of distributed system– Modularity- component are simple– System performance- speed– Local control- users immediate access– Client server – access to several computers– Transparent-capability to hide data
Distributed systemTypes of distributed system
– Distribution by location
Distributed system
Types of distributed system– Distribution by function
Distributed system• Types of distributed system
– Distribution by control- Management issues– Distribution by processing
• Vertical
Distributed system• Types of distributed system
– Distribution by processing• Hierarchal• Horizontal distributed system
Distributed system• Types of distributed system
– Distribution by processing
Distributed system• Types of distributed system
– Peer computer on the internet
Implementation of Distributed system
• File handling
• Data distribution
• Distributed database
• Incompatibilty problems
Data Distribution
Data Distribution
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