Network Concept. Networking Techniques Switch Network.

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Presentation transcript:

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 system Types 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

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