The Sybase Replication Technology of the Balance-date Transfer Zhang Hang\ Li Jihua\ Deng Feng\ Zhong Luo Graduated,School of Information Engineering,WUT,Wuhan 430070,China.In the course of the local mobile balance, this article briefly introduced the application principles & used method of the sybase replication, combined with the application of balance date transfer.This method replaced the old using disk's method in the date transfer.IP over ATM; IP over SDH; IP over WDM