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US5452441A System and method for on-line state restoration of one or more processors in an N module redundant voting processor system 失效
用于N模块冗余投票处理器系统中的一个或多个处理器的在线状态恢复的系统和方法

  • 专利标题: System and method for on-line state restoration of one or more processors in an N module redundant voting processor system
  • 专利标题(中): 用于N模块冗余投票处理器系统中的一个或多个处理器的在线状态恢复的系统和方法
  • 申请号: US220136
    申请日: 1994-03-30
  • 公开(公告)号: US5452441A
    公开(公告)日: 1995-09-19
  • 发明人: Daniel EspositoDouglas A. Reneker
  • 申请人: Daniel EspositoDouglas A. Reneker
  • 申请人地址: NJ Murray Hill
  • 专利权人: AT&T Corp.
  • 当前专利权人: AT&T Corp.
  • 当前专利权人地址: NJ Murray Hill
  • 主分类号: G06F11/18
  • IPC分类号: G06F11/18 G06F11/00
System and method for on-line state restoration of one or more
processors in an N module redundant voting processor system
摘要:
A system and method for restoring an operating N module redundant NMR) processors when one or more processors is in an out-of-service state. This NMR system comprises N processors each having an individual memory system. An interconnection network is configured to receive data from all N processors, and N voters are connected between the interconnection network and each of the N processors to receive data from the interconnection network and vote on data destined for the N processors. Writes of data from the active processors are rerouted to the interconnection network. Advantageously, there are registers in the interconnection network corresponding to each processor. These registers receive the data from their corresponding processors, and then send the data to all of the voters. The data is voted on and sent to all N processors. Thus, the memories of the out-of-service processors are restored with the active processors while the active processors continue to operate.
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