Prioritized switching in high speed ATM switches

Current trends in communications technology indicate that asynchronous transfer mode is likely to become invariant for both computer and human communications In this paper we investigate the performance of different methods to increase the suitability of packet switching for time-critical and content critical applications (for example packet video or voice, and network control). We mplore the performance of several input queueing switch models, and the output queueing model and then discuss differences in delay and throughput performance. We then study the prioritizzation mechanisms in more detail and show results for some switch models.