A back-pressure type ATM switch wherein a variety of high-quality and flexible services can be served with high hardware/software efficiency. A resource manager provided to each input buffer, performs rejection control of cells according to RTQL (Rejection Threshold Queue Length) of each of sn input...http://www.google.com/patents/US6532234?utm_source=gb-gplus-sharePatent US6532234 - Back-pressure type ATM switch
