The ha function for the transaction service 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。

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Network transaction 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。

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It can provide many network applications with all kinds of security service, such as authentication, confidentiality, information integrity and non-repudiation of transaction.

它可以为各种网络应用提供身份认证、信息的机密性和完整性以及交易的不可否认性等安全服务。

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Under the network rules of Visa and MasterCard, the service fee for any transaction at an ATM should not be less than the amount charged at that ATM for a Visa or MasterCard transaction.

FORBES: Don't Be Surprised With Drops In Price Of Visa And MasterCard Stocks

As a result, every type of company involved with a debit card transaction, from the middle-man payment processing service to the company that owns the processing network to the bank that issues the card stands to have reduced revenue than they would have had otherwise.

FORBES: Credit Card Users May Pay an Additional Fee