在该模式中,其中一个服务器以主动模式运行,处理来自客户端的请求;另一个或多个服务器以被动模式运行,在主动式服务器失败情况下即时充当替代服务器的角色。
In this mode, one server runs in ACTIVE mode servicing requests from the clients and one or more servers run in PASSIVE mode acting as a hot standby for the ACTIVE server in case of a failure.
网络应用所使用的通信形式称为客户-服务器模式。服务器应用被动地等待连接,而客户端软件则主动地初始化通讯。
All network applications use a form of communication known as the client-server paradigm. A server application waits passively for contact, while a client application initiates communication actively.
被动FTP对FTP客户端的管理有利,但对服务器端的管理不利。
Passive FTP is beneficial to the client, but detrimental to the FTP server admin.
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