And, we describe ESLIP scheduling algorithm and give its simulation results.In order to expand the capacity of crossbar switches, multi-plane technology is brought out.

• 在第一部分中，介绍了面向定长信元的交叉开关，并着重介绍了ESLIP 算法及其 仿真结果，并讨论了交叉开关的多位面扩展技术。