This applet is made for playing with the multi-rate Erlang model which is introduced in Chapter 8 of the book.

Class 1 Bit rate: Traffic share:
Class 2 Bit rate: Traffic share:
Class 1
Class 2
Link load

All bit rates must be integers, expressed in arbitrary units (e.g. Mbit/s).

Fill all fields except for either "Capacity", "Traffic" or "Blocking rates" and click on the corresponding button. The link load is calculated automatically.

The source code of the functions, in javascript, can be downloaded here.