Real-life queuing problems tend to be complex and ill-defined, and exact mathematical approaches are therefore illusory. This has to be taken into account when one wants to determine the right number ...

This is a preview. Log in through your library . Abstract Many real-world situations involve queueing systems in which customers wait for service for a limited time only and leave the system if ...

Internet users around the world depend on various computer networks services such as video-conferencing, FTP and VoIP as a next generation Internet applications. This paper presents performance ...