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2. 发明授权

US5535334A Fault-tolerant system-to-system communications system and method utilizing multiple communications methods to transfer a single message 失效
标题翻译：容错系统到系统通信系统和利用多种通信方法传输单个消息的方法
公开(公告)号：US5535334A
公开(公告)日：1996-07-09
申请号：US466236
申请日：1995-06-06
申请人： Kevin L. Merkley , Kurt G. Schumacher , Alan R. Sutton
发明人： Kevin L. Merkley , Kurt G. Schumacher , Alan R. Sutton
IPC分类号： G06F11/00 , H04L29/06 , G06F13/00
CPC分类号： G06F11/2012 , H04L29/06 , H04L69/18 , H04L69/24
摘要： A tiered communications service which utilizes multiple methods of communication and provides the ability for different host computer systems to pass dam, unconcerned with the type of communications medium used by the service. Each method of communication is ranked according to its preference within the service. When the communications service encounters an error while attempting to send data to another host system, it performs an automatic switch to the method with the next lower preference which is available for use. The service sends notification to the other system of the change in communications method used and which method to start using, then continues sending the data. The communications method may be switched to a higher or lower preferred method explicitly by operator command, which also sends notification to the other systems of a change in method. Each host system has the ability to communicate with other host systems via various communications methods, depending on the methods defined to the service. A host system can communicate with a second host system using one communications method and communicate with a third host computer system using a different communications method. To communicate between any two host systems, the service utilizes the highest preferred common communications method available for use, except when changed by operator command.
摘要翻译：一种分层通信服务，其利用多种通信方式，并且提供不同主机计算机系统通过水坝的能力，不考虑服务使用的通信介质的类型。每种通信方式根据其在服务中的偏好进行排序。当通信服务在尝试向其他主机系统发送数据时遇到错误时，它会执行自动切换到具有可用于使用的下一个较低优先级的该方法。该服务向另一个系统发送通知方式的变更通知，哪种方式开始使用，然后继续发送数据。通信方法可以由操作员命令明确地切换到更高或更低的优选方法，操作员命令也向方法的改变的其他系统发送通知。每个主机系统都有能力通过各种通信方式与其他主机系统通信，这取决于为服务定义的方法。主机系统可以使用一种通信方法与第二主机系统进行通信，并且使用不同的通信方法与第三主机系统进行通信。为了在任何两个主机系统之间进行通信，除了由操作员命令改变之外，该服务使用可用的最优选的通用通信方法。

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