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TrafficFinder! TM  -  Erlang B Peaked Traffic Model - Neal Wilkinson

 

Help Topics:

Neal-Wilkinson Overflow Traffic Model

Basic Traffic Calculator

Trunk Estimator

Erlang B Overflow

Agent Calculator

Peaked Traffic (Neal-Wilkinson)

Traffic Tables

Traffic Principles

  

Traffic Models:

Poisson

Erlang B

Extended Erlang B

Erlang C

Erlang B Peaked(Neal-Wilkinson)

Binomial

Engset

  

Traffic Tables:

Poisson Traffic Table

Erlang B Traffic Table

Erlang C Traffic Table

Erlang B Peaked(Neal-Wilkinson)   

The Neal-Wilkinson model is used to size overflow or alternate route trunk groups that receive peaked or bursty traffic from other high usage trunk groups such as inter-office backup paths. This model is useful when dealing with abnormally high traffic during occurrences such as holidays (Motherís Day) or disasters such as a stock market crash. The model uses the Erlang B formula but traffic is estimated using the equivalent random theory and peakedness factors.
 
Here's an example of the Neal-Wilkinson Peaked Traffic Model:
You need to input 2 items: 1.) Desired blocking probablility and 2.) Overflow Traffic Samples.  TrafficFinder! calculates the Peakedness Factor, Variance and Average Overflow Traffic.
      Fictitious Primary Trunk Group (Equivalent Random Load)