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Causes-and-Correlation-of-Network-Impairments thumb

We have passed through the halcyon days of the Internet's childhood.  During that period we have seen the growth of applications that fit well into the Internet's basic communications parameters -- applications such as e-mail, the World-Wide-Web, and even highly buffered non-conversational (one-way) streaming audio and video. These applications fit well within the kinds of packet transit delays and packet loss rates that are found on the Internet.


In this white paper you will learn about about the causes of adverse network conditions on the Internet and what can be done to anticipate and compensate for network issues.

Key Topics Covered:

  • Time sensitive network applications
  • Testing the limits of app performance
  • Addressing the limits of network performance
  • What do we mean by the "imperfect network"?
  • The Ways That Networks Err
  • Causes of the Network Errors
  • How do impairments manifest themselves?
  • What about your own network?
  • How can I tell if my network has a problem with these things?
  • Is my network impaired?
  • Are my apps and devices affected by these network impairments?
  • Service Level Definition for VoIP
  • Implementing a Test Bed
  • What can be done about network impairments?

Protocols Discussed:

  • Transmission Control Protocol (TCP)

Key Terms:

  • Voice-over-IP (VOIP)
  • Packet Loss
  • Packet Delay
  • Packet Delay Variation (Jitter)
  • Packet Reordering
  • Packet Duplication
  • Packet Corruption

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White Paper Form Causes and Correlation of Network Impairments
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