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Traffic Management for High-Speed Networks (1997) / Chapter Skim
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Abstract and Why New Control Methods Are Needed
Pages 1-3

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From page 1...
... Motivations, theory, and experimental results are presented. WHY NEW CONTROL METHODS ARE NEEDED Rapid Increase in Network Speeds Over the past decade, the speed of computer and telecommunications networks has improved substantially.
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From page 2...
... However, simply providing large buffers would likely incur prohibitively high memory cost for high-speed networks, because as network speed increases, so also will the following factors: · Buffer over1toadlirlg rate. Suppose that data Tom multiple input ports feed to a single output port, and that all the ports are of the same speed.
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From page 3...
... When facing this type of transient traffic over a wide area, traditional end-to-end flow control methods such as TCP will incur relatively long feedback control delays, and thus such methods cannot be effective in reducing buffer usage inside a network. Bandwidth mismatch.
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Key Terms

  • control methods
  • congestion control
  • speed increases
  • single output
  • link speed

  • data loss
  • losing data
  • transfer mode
  • input ports
  • network utilization

  • output port
  • asynchronous transfer
  • network speed
  • available network
  • average load

  • buffer overflow
  • network bandwidth
  • improved substantially
  • memory cost
  • buffer size

  • typical transmission
  • guaranteed performance
  • rapid increase
  • receiving hosts
  • servers tend

  • communications delay
  • ports feed
  • using larger
  • increased communications
  • processing overhead


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