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1. 发明授权

US07944814B2 Switching between secured media devices 有权
标题翻译：在安全媒体设备之间切换
公开(公告)号：US07944814B2
公开(公告)日：2011-05-17
申请号：US11429931
申请日：2006-05-08
申请人： Yuval Nissan , Ofer Idan
发明人： Yuval Nissan , Ofer Idan
IPC分类号： G06F11/00
CPC分类号： H04L65/1083 , H04L29/06027 , H04L63/0428 , H04L65/608 , H04L65/80 , H04L67/1002 , H04L69/40 , H04L2463/121
摘要： A system, method and apparatus for communication is provided which includes maintaining a primary and a secondary network media devices at substantially similar encryption state, wherein the secondary network media device is a redundant network media device. Similar encryption state may be maintained by copying reception and transmission switchover parameters from the primary network media device to the redundant network media device, at least once per 2X packets, and preferably every 213 packets that are either transmitted by, or received at, the primary network media device. The redundant network media device may receive packets by utilizing copied reception switchover parameters and transmit packets by estimating transmission switchover parameters based on copied transmission switchover parameters. The reception and transmission switchover parameters may be associated with Secure Real-time Transport Protocol or with PacketCable protocol. A communication system is also provided, which utilizes the communication method. The communication system may include several primary network media devices and a central network device to which switchover parameters may be copied from each primary network media device, and from which switchover parameters associated with a failing primary network media device may be copied to the redundant network media device.
摘要翻译：提供了一种用于通信的系统，方法和装置，其包括将主网络媒体设备和辅助网络媒体设备维持在基本上类似的加密状态，其中所述辅助网络媒体设备是冗余网络媒体设备。可以通过将接收和传输切换参数从主网络媒体设备复制到冗余网络媒体设备来保持类似的加密状态，至少每2X分组一次，并且优选地每个213个分组被发送或接收在主要网络媒体设备。冗余网络媒体设备可以通过利用复制的接收切换参数来接收分组，并且基于复制的传输切换参数估计传输切换参数来发送分组。接收和传输切换参数可能与安全实时传输协议或PacketCable协议相关联。还提供了一种利用通信方式的通信系统。通信系统可以包括几个主要网络媒体设备和可以从每个主要网络媒体设备复制切换参数的中央网络设备，并且与故障主要网络媒体设备相关联的切换参数可以从哪个被复制到冗余网络媒体设备。

2. 发明申请

US20070260870A1 Switching between secured media devices 有权
标题翻译：在安全媒体设备之间切换
公开(公告)号：US20070260870A1
公开(公告)日：2007-11-08
申请号：US11429931
申请日：2006-05-08
申请人： Yuval Nissan , Ofer Idan
发明人： Yuval Nissan , Ofer Idan
IPC分类号： H04L9/00 , H04K1/00
CPC分类号： H04L65/1083 , H04L29/06027 , H04L63/0428 , H04L65/608 , H04L65/80 , H04L67/1002 , H04L69/40 , H04L2463/121
摘要： A system, method and apparatus for communication is provided which includes maintaining a primary and a secondary network media devices at substantially similar encryption state, wherein the secondary network media device is a redundant network media device. Similar encryption state may be maintained by copying reception and transmission switchover parameters from the primary network media device to the redundant network media device, at least once per 2X packets, and preferably every 213 packets that are either transmitted by, or received at, the primary network media device. The redundant network media device may receive packets by utilizing copied reception switchover parameters and transmit packets by estimating transmission switchover parameters based on copied transmission switchover parameters. The reception and transmission switchover parameters may be associated with Secure Real-time Transport Protocol or with PacketCable protocol. A communication system is also provided, which utilizes the communication method. The communication system may include several primary network media devices and a central network device to which switchover parameters may be copied from each primary network media device, and from which switchover parameters associated with a failing primary network media device may be copied to the redundant network media device.
摘要翻译：提供了一种用于通信的系统，方法和装置，其包括将主网络媒体设备和辅助网络媒体设备维持在基本上类似的加密状态，其中所述辅助网络媒体设备是冗余网络媒体设备。可以通过将接收和传输切换参数从主网络媒体设备复制到冗余网络媒体设备来保持类似的加密状态，每2个<！ - SIPO - >分组至少一次， / SUP>分组，其由主要网络媒体设备发送或接收。冗余网络媒体设备可以通过利用复制的接收切换参数来接收分组，并且基于复制的传输切换参数估计传输切换参数来发送分组。接收和传输切换参数可能与安全实时传输协议或PacketCable协议相关联。还提供了一种利用通信方式的通信系统。通信系统可以包括几个主要网络媒体设备和可以从每个主要网络媒体设备复制切换参数的中央网络设备，并且与故障主要网络媒体设备相关联的切换参数可以从哪个被复制到冗余网络媒体设备。

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