Communication device

A method for operating a communication device comprising the steps of:

• providing at least one protocol stack having at least two protocol modules;
• providing a number of threads for executing the protocol modules, each thread being blocked or active, each active thread being idle or busy;
• monitoring a ratio between a first time duration during which the active threads are busy and a second time duration during which the active threads are idle;
• and
• adjusting the number of active threads dependent on said monitoring of said ratio.

A computer program product comprising a computer readable medium tangibly embodying a computer readable program, wherein the computer readable program when executed on a computer causes the computer to:

• provide at least one protocol stack having at least two protocol modules;
• provide a number of threads for executing the protocol modules, the respective thread being blocked or active, the respective active thread being idle or busy;
• monitor a ratio between a first time duration during which the active threads are busy and a second time duration during which the active threads are idle;
• and
• adjust the number of active threads in dependence on said monitoring of said ratio.