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Reliability

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COMPUTER NETWORKS ARE INHERENTLY UNRELIABLE.

  • WIRES BETWEEN COMPUTERS CAN BE DISCONNECTED.

  • SIGNALS ON WIRES CAN BE DAMAGED BY ELECTRICAL STATIC.

  • ROUTERS MAY CRASH.

AS A RESULT, SOME MESSAGES SENT WILL BE LOST OR DAMAGED.



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Williams College
Department of Computer Science
This page is part of a section of lecture slides related to " The Transmission Control Protocol " within the topic "The Internet Protocol Suite". Other slides within this section and other sections of slides for the topic "The Internet Protocol Suite" can be accessed using the links below.
  • The Internet Protocol Suite
  • TCP/IP = The Internet Protocol Suite
  • The User Datagram Protocol & Ports
  • Port Numbers and UDP
  • Port Numbers and UDP (cont.)
  • Port Numbers and the Client/Server Model
  • Implementing UDP
  • The Transmission Control Protocol
  • Reliability
  • Best-effort Delivery
  • Router Congestion
  • TCP
  • TCP Implementation
  • TCP Efficiency
  • TCP as Internet Transport Protocol
  • The Domain Name Service
  • Domain Names
  • Domain Name Servers
  • Reliability and Retransmission
  • A Reliable Delivery Problem
  • Cautious Generals
  • Solving the General's Problem
  • Connections (Virtual Circuits)