The ha function for the transactionservice USES network file locking, and different file systems have different file locking behaviors.
事务服务的ha功能使用网络文件锁定，且不同的文件系统有不同的文件锁定操作。
2
Networktransaction time: How long it takes the client to make a request to the remote web service.
网络交易时间(Net work transaction time)：客户机需花多长时间向远程Web服务发出一个请求。
3
It can provide many network applications with all kinds of security service, such as authentication, confidentiality, information integrity and non-repudiation of transaction.