公开(公告)号：US20060212462A1

公开(公告)日：2006-09-21

申请号：US10512687

申请日：2003-04-01

申请人： Yair Heller ,  Ziv Kedem ,  Michael Lewin ,  Shay Mannor

发明人： Yair Heller ,  Ziv Kedem ,  Michael Lewin ,  Shay Mannor

IPC分类号： G06F13/12 ,  G06F7/00 ,  G06F15/16

CPC分类号： H04L63/12 ,  G06F3/0608 ,  G06F3/0613 ,  G06F3/064 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1451 ,  G06F11/1453 ,  G06F11/1464 ,  G06F11/2066 ,  H03M7/3084 ,  H04L67/1095 ,  H04L67/2819 ,  H04L67/2852

摘要： A system for efficiently transmitting data from a first site to a remote site over a communication medium. The data includes a storage for storing data in sub-segment boundaries, such that few sub-segments are accommodated in each block. The system further includes a storage for storing data including signature data. Each one of the sub-segments is associated with a signature of considerably smaller size than its respective sub-segment. The system includes a processor configured to perform the following, as many times as required: receiving a block and partitioning it into sub-segments. For each sub-segment in the block the processor calculating a signature. It then-determines whether the calculated signature matches a corresponding signature, if any, stored in the signature storage, and in case of no match (indicating that the sub-segment is new or has been modified), transmitting the sub-segment to the remote site and store the calculated signature in the signature storage.

摘要翻译： 一种用于通过通信介质有效地将数据从第一站点传输到远程站点的系统。 数据包括用于在子段边界中存储数据的存储器，使得在每个块中容纳很少的子段。 该系统还包括用于存储包括签名数据的数据的存储器。 每个子段与相对于其相应子段相比尺寸相当小的签名相关联。 该系统包括被配置为执行以下次数的处理器：接收块并将其划分成子段。 对于块中的每个子段，处理器计算签名。 然后，确定所计算的签名是否匹配存储在签名存储器中的相应签名（如果有的话），并且在不匹配的情况下（指示该子段是新的或已被修改的），将该子段发送到 远程站点，并将计算的签名存储在签名存储中。

公开(公告)号：US08205009B2

公开(公告)日：2012-06-19

申请号：US10512687

申请日：2003-04-01

申请人： Yair Heller ,  Ziv Kedem ,  Michael Lewin ,  Shay Mannor

发明人： Yair Heller ,  Ziv Kedem ,  Michael Lewin ,  Shay Mannor

IPC分类号： G06F15/173

CPC分类号： H04L63/12 ,  G06F3/0608 ,  G06F3/0613 ,  G06F3/064 ,  G06F3/0647 ,  G06F3/065 ,  G06F3/067 ,  G06F11/1451 ,  G06F11/1453 ,  G06F11/1464 ,  G06F11/2066 ,  H03M7/3084 ,  H04L67/1095 ,  H04L67/2819 ,  H04L67/2852

摘要： A system for efficiently transmitting data from a first site to a remote site over a communication medium. The data includes a storage for storing data in sub-segment boundaries, such that few sub-segments are accommodated in each block. The system further includes a storage for storing data including signature data. Each one of the sub-segments is associated with a signature of considerably smaller size than its respective sub-segment. The system includes a processor configured to perform the following, as many times as required: receiving a block and partitioning it into sub-segments. For each sub-segment in the block the processor calculating a signature. It then determines whether the calculated signature matches a corresponding signature, if any, stored in the signature storage, and in case of no match (indicating that the sub-segment is new or has been modified), transmitting the sub-segment to the remote site and store the calculated signature in the signature storage.

摘要翻译： 一种用于通过通信介质有效地将数据从第一站点传输到远程站点的系统。 数据包括用于在子段边界中存储数据的存储器，使得在每个块中容纳很少的子段。 该系统还包括用于存储包括签名数据的数据的存储。 每个子段与相对于其相应子段相比尺寸相当小的签名相关联。 该系统包括被配置为执行以下次数的处理器：接收块并将其划分成子段。 对于块中的每个子段，处理器计算签名。 然后，确定所计算的签名是否匹配存储在签名存储器中的对应签名（如果有的话），并且在不匹配的情况下（指示该子段是新的或已被修改的），将该子段发送到该远程 并将计算的签名存储在签名存储中。