Packet Switching
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Packet Switching

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Packet Switching Packet Switching Presentation Transcript

  • Packet Switching
  • Learning OutcomesBy the end of this topic, you should be able to:• Define the term packet switching• Identify the packet switching technologies• Distinguish between TCP/IP, X.25 and Frame Relay technologies• Value the frame relay technology implementation in Malaysia
  • Packet Switching• Packet Switching refers to technologies inwhich messages are divided into packetsbefore they are sent.• Each packet is then transmitted individuallyand can even follow different routes to itsdestination• Once all the packets forming a message arriveat the destination, they are recompiled intotheir original form
  • Packet Switching• TCP/IP• X.25• Frame Relay
  • Packet Switching: TCP/IPTCP(TransmissionControlProtocol)IP (InternetProtocol)TCP/IP
  • Packet Switching: X.25• X.25 is an open standard WAN technology forpacket-switching networks.• It is one of the earliest international standardsfor packet switching.• It defines layers 1, 2, and 3 in the OSIReference Model
  • Packet Switching: X.25
  • Packet Switching: X.25
  • Packet Switching: Frame Relay• Frame Relay is a packet-switching protocol forconnecting devices on a WAN.• It operates at layer two or the Data Link layerin the OSI model.• It is used in applications such as LANinterconnection, public and private wide areanetworks and gradually replacing X.25
  • Packet Switching: Frame Relay
  • Packet Switching: Frame Relay
  • Packet Switching: Frame Relay
  • Packet Switching: Frame Relay
  • Packet Switching: Frame RelayCorporate InformationSuperhighway (COINS)
  • Packet Switching: Frame RelayCorporate InformationSuperhighway (COINS)
  • References• Malaysia coins– http://www.dreamstime.com/stock-photo-malaysia-coins-macro-image3253450• Telekom Malaysia– http://www.kltowerjump.com/sponsors.html• Maybank– http://www.huntlogo.com/maybank-logo/
  • The End