Pattern modeling is very useful and a major step, but users don't always conform to those patterns. For example, when there is a specific event like a traffic jam or a big rugby game there is a big spike in mobile phone calls in a concentrated area. Traditional network design can't cope with those changes in network usage very well.  -   Mike Flanagan     Quotes
Pattern modeling is very useful and a major step, but users don't always conform to those patterns. For example, when there is a specific event like a traffic jam or a big rugby game there is a big spike in mobile phone calls in a concentrated area. Traditional network design can't cope with those changes in network usage very well. Mike Flanagan
 Example