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1. 发明授权

US09374337B2 Systems and methods for supporting IP ownership in a cluster 有权
标题翻译：在集群中支持知识产权所有权的系统和方法
公开(公告)号：US09374337B2
公开(公告)日：2016-06-21
申请号：US13524721
申请日：2012-06-15
申请人： Vivekanand Rangaraman , Ranjith Nath , Sandhya Gopinath , Abhishek Chauhan
发明人： Vivekanand Rangaraman , Ranjith Nath , Sandhya Gopinath , Abhishek Chauhan
IPC分类号： G06F15/16 , H04L12/16 , H04L29/12 , H04L29/06 , H04L29/08
CPC分类号： H04L61/103 , H04L61/1511 , H04L61/2007 , H04L61/6063 , H04L69/18 , H04L69/326
摘要： While each node in a cluster of nodes sources connections with the same IP if each node allocates a port on this IP independently, there may be port clashes. Also, the return traffic is not guaranteed to hit the originating node. These issues are addressed by allocating a port in such a way that the response traffic hashes back to the originating node. A good hash is chosen such that the ports are equally divided among the nodes. When a node leaves, the other nodes take over the port range used by this node. When a node joins, the node takes back its share of ports.
摘要翻译：虽然节点集群中的每个节点都会以相同的IP源连接，如果每个节点分别在此IP上分配一个端口，则可能会有端口冲突。此外，返回流量不能保证打到始发节点。这些问题通过分配端口来解决，使得响应流量返回到始发节点。选择好的散列，使得端口在节点之间被等分。当节点离开时，其他节点接管该节点使用的端口范围。当节点加入时，节点将收回其端口份额。

2. 发明授权

US09124514B2 Systems and methods for sharing L2 information and MAC based forwarding 有权
标题翻译：用于共享L2信息和基于MAC的转发的系统和方法
公开(公告)号：US09124514B2
公开(公告)日：2015-09-01
申请号：US13524784
申请日：2012-06-15
申请人： Sandhya Gopinath , Abhishek Chauhan , Henk Bots , Mohit Saxena , Ramanjaneyulu Y Talla , Vivekanand Rangaraman
发明人： Sandhya Gopinath , Abhishek Chauhan , Henk Bots , Mohit Saxena , Ramanjaneyulu Y Talla , Vivekanand Rangaraman
IPC分类号： H04L12/56 , H04L12/66 , H04J3/24 , H04L12/707 , H04L29/06
CPC分类号： H04L45/24 , H04L63/0281 , H04L63/166
摘要： The present application is directed towards sharing data link layer information of network traffic distributed across a cluster of intermediary devices. A method for sharing data link layer information across a cluster includes receiving a request packet at a first intermediary device. The first intermediary device identifies a first set of data link layer information from a data link layer of the request packet. The first intermediary device modifies the request packet for transmission on a common data backplane of the cluster to include the first set of data link layer information in the request packet. The modified request packet includes a second set of data link layer information that differs from the first set of data link layer information at the data link layer. The first intermediary device transmits the modified request packet on the common data backplane of the cluster to other devices of the cluster.
摘要翻译：本申请旨在共享分布在中间设备集群上的网络流量的数据链路层信息。一种用于在群集之间共享数据链路层信息的方法包括：在第一中间设备处接收请求分组。第一中间设备从请求分组的数据链路层识别第一组数据链路层信息。第一中间设备修改用于在集群的公共数据背板上传输的请求分组，以在请求分组中包括第一组数据链路层信息。经修改的请求分组包括与数据链路层上的第一组数据链路层信息不同的第二组数据链路层信息。第一个中间设备将群集的公共数据背板上的修改请求数据包发送到群集的其他设备。

3. 发明授权

US09225806B2 Systems and methods for generating IPID across a cluster network 有权
标题翻译：在集群网络中生成IPID的系统和方法
公开(公告)号：US09225806B2
公开(公告)日：2015-12-29
申请号：US13524766
申请日：2012-06-15
申请人： Vivekanand Rangaraman , Henk Bots , Sandhya Gopinath
发明人： Vivekanand Rangaraman , Henk Bots , Sandhya Gopinath
IPC分类号： G06F15/16 , H04L29/06 , H04L29/08
CPC分类号： H04L69/166 , H04L67/1002 , H04L69/00 , H04L69/16
摘要： In a cluster environment, nodes participating in the cluster may generate packets with the same source IP to the same destination IP. If those packets get fragmented down stream, then reassembling this packets depends on the source IP, destination IP, protocol and the IP identifier field (IPID) of the IP packet. As the source IP, destination IP and protocol may be fixed, the IPID generation is coordinated across the nodes to support reassembly down stream and avoid tuple collision. The IPID space may be equally split among the nodes in the cluster. Each node generates IPID within its range to avoid a collision with an IPID generated from another node.
摘要翻译：在集群环境中，参与集群的节点可以将相同源IP的数据包生成到相同的目标IP。如果这些数据包在流中被分段，则重新组合该数据包取决于IP数据包的源IP，目标IP，协议和IP标识符字段（IPID）。作为源IP，目的IP和协议可以是固定的，IPID生成在节点之间协调，以支持重新组装下行流并避免元组冲突。 IPID空间可以在群集中的节点之间相等分割。每个节点在其范围内生成IPID，以避免与从另一个节点生成的IPID发生冲突。

4. 发明授权

US08804740B2 Systems and methods for reassembly of packets distributed across a cluster 有权
标题翻译：用于重新组合分布在群集上的数据包的系统和方法
公开(公告)号：US08804740B2
公开(公告)日：2014-08-12
申请号：US13524739
申请日：2012-06-15
申请人： Vivekanand Rangaraman
发明人： Vivekanand Rangaraman
IPC分类号： G06F15/16
CPC分类号： H04L45/38
摘要： The present application is directed towards systems and methods for handling fragmented packets in a cluster environment. Fragments received by the cluster may be hashed based on a tuple of network layer information, such as source and destination IP addresses. The tuple of network layer information may be used to identify a device of the cluster as a “fragment owner” or node responsible for assembling the fragments of the packet. The fragment may be transmitted or steered to the fragment owner for accumulation and assembly. Once all fragments of the packet have been received by the fragment owner, the packet may be assembled and a second hash may be calculated based on a four-tuple of network and transport layer information, such as source and destination IP addresses and port numbers. The packet may then be steered or transmitted to the “packet owner” or node responsible for processing the packet.
摘要翻译：本申请涉及在群集环境中处理分段分组的系统和方法。可以基于诸如源和目的地IP地址的网络层信息的元组来散列由集群接收的片段。网络层信息的元组可以用于将集群的设备标识为负责组合分组的片段的“片段所有者”或节点。片段可以被传输或转导到片段所有者以用于聚集和组装。一旦片段所有者已经接收到分组的所有片段，则可以组合分组，并且可以基于网络和传输层信息的四元组（诸如源和目的地IP地址和端口号）来计算第二散列。然后可以将分组引导或发送到负责处理分组的“分组所有者”或节点。

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