SDH cross-connect system architecture

Abstract

SDI-I cross-connect equipment requires large scale and broadband switch system. In this paper, we propose a multi-stage switch system architecture based on our timelspace switch, which has both time (T) and space (S) switch function, and connection-algorithm. Comparing some multi-stage switch system models, we evaluate blocking characteristics for uniformly and non-uniformly distributed connection requirements by computer simulation. We also consider connection-algorithm for the connection requirements.We reach a conclusion that the proposed architecture is better than other conventional ones.