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1. 发明授权

US08036247B2 System and method of synchronizing real time clock values in arbitrary distributed systems 有权
标题翻译：在任意分布式系统中同步实时时钟值的系统和方法
公开(公告)号：US08036247B2
公开(公告)日：2011-10-11
申请号：US11620215
申请日：2007-01-05
申请人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
发明人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
IPC分类号： H04J3/06
CPC分类号： G06F1/12 , G06F1/14
摘要： A system and method of determining a master node in a computer system having a plurality of nodes includes establishing a hierarchy of master nodes from the plurality of nodes, wherein the master node synchronizes the plurality of nodes in the computer system with a clock value and determining the master node from the hierarchy of master nodes. A system and method of synchronizing a plurality of nodes in a computer system includes determining a master node from the plurality of nodes, sending a clock value from the master node to neighbor nodes of the master node, synchronizing a node clock in each node receiving the clock value if a predetermined period of time has elapsed in each receiving node, distributing a node clock value from each synchronized node to neighbor nodes of the synchronized node, and repeating synchronizing and distributing, wherein synchronizing a node clock in each node receiving the clock value includes each node receiving the node clock value.
摘要翻译：一种确定具有多个节点的计算机系统中的主节点的系统和方法包括从所述多个节点建立主节点的层级，其中所述主节点将所述计算机系统中的所述多个节点与时钟值同步并确定主节点从主节点的层次结构。在计算机系统中同步多个节点的系统和方法包括从多个节点确定主节点，从主节点向主节点的邻居节点发送时钟值，使得接收到节点的每个节点中的节点时钟同步在每个接收节点中经过预定时间段的时钟值，将来自每个同步节点的节点时钟值分配给同步节点的相邻节点，并且重复同步和分配，其中，同步接收时钟值的每个节点中的节点时钟包括接收节点时钟值的每个节点。

2. 发明授权

US08498315B2 System and method of synchronizing real time clock values in arbitrary distributed systems 有权
标题翻译：在任意分布式系统中同步实时时钟值的系统和方法
公开(公告)号：US08498315B2
公开(公告)日：2013-07-30
申请号：US13270002
申请日：2011-10-10
申请人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
发明人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
IPC分类号： H04J3/06
CPC分类号： G06F1/12 , G06F1/14
摘要： A system for establishing a primary master node in a computer system includes a plurality of nodes, each node configured with an update interval, a hierarchy of master nodes selected from the plurality of nodes, wherein the master nodes are configured to synchronize the plurality of nodes with a clock value by sending out its clock value when its update interval has expired, wherein each node resets its update interval when it receives the clock value, a primary master node selected from the hierarchy of master nodes based on its update interval, and at least one backup master node selected from the hierarchy of master nodes based on its update interval, the backup master node configured to become the primary master node when the plurality of nodes do not receive the clock value after a predetermined period of time has elapsed.
摘要翻译：用于在计算机系统中建立主主节点的系统包括多个节点，配置有更新间隔的每个节点，从多个节点中选择的主节点的层次结构，其中主节点被配置为同步多个节点通过在其更新间隔到期时发送其时钟值，其中每个节点在其接收时钟值时重置其更新间隔，基于其更新间隔从主节点的层次结构中选择的主主节点，以及基于其更新间隔从主节点的层次结构中选择的至少一个备用主节点，所述备用主节点被配置为当所述多个节点在经过预定时间段之后未接收到所述时钟值时成为所述主主节点。

3. 发明申请

US20120089709A1 System and Method of Synchronizing Real Time Clock Values in Arbitrary Distributed Systems 有权
标题翻译：在任意分布式系统中同步实时时钟值的系统和方法
公开(公告)号：US20120089709A1
公开(公告)日：2012-04-12
申请号：US13270002
申请日：2011-10-10
申请人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
发明人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
IPC分类号： G06F15/177
CPC分类号： G06F1/12 , G06F1/14
摘要： A system for establishing a primary master node in a computer system includes a plurality of nodes, each node configured with an update interval, a hierarchy of master nodes selected from the plurality of nodes, wherein the master nodes are configured to synchronize the plurality of nodes with a clock value by sending out its clock value when its update interval has expired, wherein each node resets its update interval when it receives the clock value, a primary master node selected from the hierarchy of master nodes based on its update interval, and at least one backup master node selected from the hierarchy of master nodes based on its update interval, the backup master node configured to become the primary master node when the plurality of nodes do not receive the clock value after a predetermined period of time has elapsed.
摘要翻译：用于在计算机系统中建立主主节点的系统包括多个节点，配置有更新间隔的每个节点，从多个节点中选择的主节点的层次结构，其中主节点被配置为同步多个节点通过在其更新间隔到期时发送其时钟值，其中每个节点在其接收时钟值时重置其更新间隔，基于其更新间隔从主节点的层次结构中选择的主主节点，以及基于其更新间隔从主节点的层次结构中选择的至少一个备用主节点，所述备用主节点被配置为当所述多个节点在经过预定时间段之后未接收到所述时钟值时成为所述主主节点。

4. 发明申请

US20080168182A1 System and Method of Synchronizing Real Time Clock Values in Arbitrary Distributed Systems 有权
标题翻译：在任意分布式系统中同步实时时钟值的系统和方法
公开(公告)号：US20080168182A1
公开(公告)日：2008-07-10
申请号：US11620215
申请日：2007-01-05
申请人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
发明人： Paul R. Frank , Gregory M. Thorson , Russell L. Nicol , Donglai Dai , Joseph M. Placek
IPC分类号： G06F15/16 , H04L12/28
CPC分类号： G06F1/12 , G06F1/14
摘要： A system and method of determining a master node in a computer system having a plurality of nodes includes establishing a hierarchy of master nodes from the plurality of nodes, wherein the master node synchronizes the plurality of nodes in the computer system with a clock value and determining the master node from the hierarchy of master nodes. A system and method of synchronizing a plurality of nodes in a computer system includes determining a master node from the plurality of nodes, sending a clock value from the master node to neighbor nodes of the master node, synchronizing a node clock in each node receiving the clock value if a predetermined period of time has elapsed in each receiving node, distributing a node clock value from each synchronized node to neighbor nodes of the synchronized node, and repeating synchronizing and distributing, wherein synchronizing a node clock in each node receiving the clock value includes each node receiving the node clock value.
摘要翻译：一种确定具有多个节点的计算机系统中的主节点的系统和方法包括从所述多个节点建立主节点的层次结构，其中所述主节点将所述计算机系统中的所述多个节点与时钟值同步并确定主节点从主节点的层次结构。在计算机系统中同步多个节点的系统和方法包括从多个节点确定主节点，从主节点向主节点的邻居节点发送时钟值，使得接收到节点的每个节点中的节点时钟同步在每个接收节点中经过预定时间段的时钟值，将来自每个同步节点的节点时钟值分配给同步节点的相邻节点，并且重复同步和分配，其中，同步接收时钟值的每个节点中的节点时钟包括接收节点时钟值的每个节点。

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