公开(公告)号：US5566299A

公开(公告)日：1996-10-15

申请号：US175825

申请日：1993-12-30

申请人： Douglas W. Billings ,  James W. Cullen ,  William W. Klein ,  Robert E. Probst ,  George J. Meyers, III ,  Walter C. Rose

发明人： Douglas W. Billings ,  James W. Cullen ,  William W. Klein ,  Robert E. Probst ,  George J. Meyers, III ,  Walter C. Rose

IPC分类号： G06F11/00

CPC分类号： G06F11/2035 ,  G06F11/2007 ,  G06F11/2048 ,  G06F11/2025 ,  G06F2201/85

摘要： A high availability method and system manipulate and store document images and coded data. The method and system include an image local area network and a coded data local area network. The image local area network is operated at a high utilization because of the relatively large size of the image files transmitted over it. The coded data local area network is operated at a relatively low utilization level because of a relatively small size of the coded data files transmitted over it. Two or more work group servers are connected to the image local area network. Each work group server is connected through a work group local area network to the coded data local area network. Each work group server operates in both a primary mode to service its own work group LAN and in a hot standby mode to serve as a backup processor for its corresponding work group server when the corresponding work group server is in a failure mode. When the failure mode occurs, a local area network manager reroutes image files from the first work group local area network over the under utilized coded data local area network, to the second work group local area network and its work group server which is operating in a hot standby mode. In this manner, a high availability is provided for the image file processing and coded data processing by providing alternate LAN links having adequate capacity to accommodate the large rerouted image files.

摘要翻译： 高可用性方法和系统操纵和存储文档图像和编码数据。 该方法和系统包括图像局域网和编码数据局域网。 图像局域网由于在其上传输的图像文件的尺寸相对较大而以高利用率运行。 编码数据局域网由于通过其传输的编码数据文件的相对较小的尺寸在较低的利用水平下运行。 两个或多个工作组服务器连接到图像局域网。 每个工作组服务器通过工作组局域网连接到编码数据局域网。 每个工作组服务器都以主要模式运行，以在其相应的工作组服务器处于故障模式时为其自己的工作组LAN和热备用模式服务，以用作其相应工作组服务器的备份处理器。 当故障模式发生时，局域网管理器将来自第一工作组局域网的图像文件通过未使用的编码数据局域网重新路由到第二工作组局域网及其工作组服务器 热备用模式。 以这种方式，通过提供具有足够容量以容纳大的重新路由的图像文件的备用LAN链路，为图像文件处理和编码数据处理提供了高可用性。