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1. 发明申请

US20100008363A1 METHODS AND APPARATUS TO DISTRIBUTE NETWORK IP TRAFFIC 有权
标题翻译：分配网络IP交通的方法和设备
公开(公告)号：US20100008363A1
公开(公告)日：2010-01-14
申请号：US12343719
申请日：2008-12-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： H04L12/56
CPC分类号： H04L45/72 , H04L43/0864 , H04L43/10 , H04L43/50
摘要： Example methods and apparatus to distribute network IP traffic are disclosed. A disclosed example method includes receiving a first IP control packet at an input of a first server, the first IP control packet being received from a first router, selecting a second router within a router array associated with the first router to send the first IP control packet, the first server selecting the second router by matching a destination IP address of the first IP control packet to a first IP address subspace associated with the second router, transmitting the first IP control packet to the second router, and updating a forwarding table in the first router by associating the destination IP address of the first IP control packet with a first control path from the first router to the second router.
摘要翻译：公开了分发网络IP流量的示例方法和设备。所公开的示例性方法包括在第一服务器的输入处接收第一IP控制分组，从第一路由器接收第一IP控制分组，选择与第一路由器相关联的路由器阵列内的第二路由器以发送第一IP控制分组，所述第一服务器通过将所述第一IP控制分组的目的地IP地址与与所述第二路由器相关联的第一IP地址子空间匹配来选择所述第二路由器，将所述第一IP控制分组发送到所述第二路由器，并且更新所述第一路由器通过将所述第一IP控制分组的目的地IP地址与从所述第一路由器到所述第二路由器的第一控制路径相关联。

2. 发明申请

US20100008240A1 METHODS AND APPARATUS TO MONITOR NETWORK LAYER FUNCTIONALITIES 有权
标题翻译：监测网络层功能的方法和设备
公开(公告)号：US20100008240A1
公开(公告)日：2010-01-14
申请号：US12343735
申请日：2008-12-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： G06F11/30
CPC分类号： H04L45/72 , H04L43/0864 , H04L43/10 , H04L43/50
摘要： Example methods and apparatus to monitor network layer functionalities are disclosed. A disclosed example method includes receiving a first probe packet at an input of a first server, the first probe packet being received from a router, the first probe packet being generated and transmitted from a second server that is one-hop away from the first server in a network, determining if the first server is a final destination of the first probe packet, and if the first server is not the final destination of the first probe packet, generating a second probe packet and transmitting the second probe packet to the router for transmission toward the final destination.
摘要翻译：公开了用于监视网络层功能的示例性方法和装置。所公开的示例性方法包括在第一服务器的输入端处接收第一探测分组，从路由器接收第一探测分组，从与第一服务器一跳的第二服务器生成并发送第一探测分组在网络中，确定所述第一服务器是否是所述第一探测分组的最终目的地，并且如果所述第一服务器不是所述第一探测分组的最终目的地，则生成第二探测分组并将所述第二探测分组发送到所述路由器传输到最终目的地。

3. 发明授权

US09491085B2 Methods and apparatus to route control packets based on address partitioning 有权
标题翻译：基于地址分区路由控制报文的方法和装置
公开(公告)号：US09491085B2
公开(公告)日：2016-11-08
申请号：US12786162
申请日：2010-05-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： H04L12/28 , H04L12/701 , H04L12/713 , H04L12/741 , H04L12/743
CPC分类号： H04L45/741 , H04L45/00 , H04L45/12 , H04L45/54 , H04L45/586 , H04L45/7457 , H04L61/2503
摘要： Methods and apparatus to route control packets based on address partitioning. A disclosed example method includes receiving a packet in a server, determining the packet is a control packet, forwarding the packet to a processor, identifying via the processor an address prefix of the packet, accessing a forwarding table and determining via the processor at least one of a router or an outgoing interface that corresponds to the identified address prefix, transmitting the packet from the processor to the server via the outgoing interface, and statically forwarding the packet from the server to the router based on an interface that received the packet from the processor.
摘要翻译：基于地址分区路由控制报文的方法和装置。所公开的示例性方法包括在服务器中接收分组，确定分组是控制分组，将分组转发到处理器，经由处理器识别分组的地址前缀，访问转发表并经由处理器确定至少一个路由器或对应于所识别的地址前缀的出局接口，经由所述出站接口将所述分组从所述处理器发送到所述服务器，以及基于从所述服务器接收到所述分组的接口将所述分组从所述服务器静态地转发到所述路由器处理器。

4. 发明授权

US08031627B2 Methods and apparatus to deploy and monitor network layer functionalities 有权
标题翻译：部署和监控网络层功能的方法和设备
公开(公告)号：US08031627B2
公开(公告)日：2011-10-04
申请号：US12343707
申请日：2008-12-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： H04L12/26
CPC分类号： H04L45/72 , H04L43/0864 , H04L43/10 , H04L43/50
摘要： Example methods and apparatus to deploy and monitor network layer functionalities are disclosed. A disclosed example method includes receiving an Internet Protocol (IP) packet at an input of a server, the IP packet being received from a communicatively coupled router, identifying the IP packet as a production IP packet or a non-production IP packets, when the IP packet is the non-production IP packet, manipulating data within the IP packet to monitor network layer functionality, forwarding the manipulated non-production IP packet to the router, and when the IP packet is the production IP packet, forwarding the production IP packet to the router without manipulating data within the IP packet.
摘要翻译：公开了部署和监控网络层功能的示例性方法和装置。所公开的示例性方法包括在服务器的输入端处接收因特网协议（IP）分组，从通信耦合的路由器接收IP分组，将IP分组标识为生产IP分组或非生产IP分组，当 IP分组是非生产IP分组，处理IP分组内的数据来监控网络层功能，将被处理的非生产IP分组转发到路由器，当IP分组是生产IP分组时，转发生产IP分组到路由器，而不会处理IP包内的数据。

5. 发明申请

US20100157809A1 SYSTEM AND METHOD FOR SPATIALLY CONSISTENT SAMPLING OF FLOW RECORDS AT CONSTRAINED, CONTENT-DEPENDENT RATES 有权
标题翻译：流量记录的空间一致采样的系统和方法在受约束的内容依赖率
公开(公告)号：US20100157809A1
公开(公告)日：2010-06-24
申请号：US12343007
申请日：2008-12-23
申请人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
发明人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
IPC分类号： G06F11/30
CPC分类号： H04L43/026 , H04L43/024 , Y02D50/30
摘要： Disclosed herein are systems, computer-implemented methods, and computer-readable media for sampling network traffic. The method includes receiving a desired quantity of flow record to sample, receiving a plurality of network flow record each summarizing a network flow of packets, calculating a hash for each flow record of based on one or more invariant part of a respective flow, generating a quasi-random number from the calculated hash for each respective flow record, generating a priority from the calculated hash for each respective flow record, and sampling exactly the desired quantity of flow records, selecting flow records having a highest priority first. In one aspect, the method further partitions the plurality of flow records into groups based on flow origin and destination, generates an individual priority for each partitioned group, and separately samples exactly the desired quantity of flow records from each partitioned group, selecting flows having a highest individual priority first.
摘要翻译：本文公开了系统，计算机实现的方法和用于对网络业务进行采样的计算机可读介质。该方法包括接收所需数量的流记录到采样中，接收多个网络流记录，每个汇总分组的网络流，基于相应流的一个或多个不变部分计算每个流记录的散列，从每个相应流记录的计算散列中产生准随机数，从每个相应流记录的计算散列生成优先级，并精确地采样所需数量的流记录，首先选择具有最高优先级的流记录。在一个方面，该方法还基于流源和目的地进一步将多个流记录划分为组，为每个分区组生成一个单独的优先级，并且从每个分区组中分别精确地采集所需数量的流记录，选择具有最高个人优先。

6. 发明申请

US20100008233A1 METHODS AND APPARATUS TO DEPLOY AND MONITOR NETWORK LAYER FUNCTIONALITIES 有权
标题翻译：部署和监测网络层功能的方法和装置
公开(公告)号：US20100008233A1
公开(公告)日：2010-01-14
申请号：US12343707
申请日：2008-12-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： G06F11/30 , H04L12/56
CPC分类号： H04L45/72 , H04L43/0864 , H04L43/10 , H04L43/50
摘要： Example methods and apparatus to deploy and monitor network layer functionalities are disclosed. A disclosed example method includes receiving an Internet Protocol (IP) packet at an input of a server, the IP packet being received from a communicatively coupled router, identifying the IP packet as a production IP packet or a non-production IP packets, when the IP packet is the non-production IP packet, manipulating data within the IP packet to monitor network layer functionality, forwarding the manipulated non-production IP packet to the router, and when the IP packet is the production IP packet, forwarding the production IP packet to the router without manipulating data within the IP packet.
摘要翻译：公开了部署和监控网络层功能的示例性方法和装置。所公开的示例性方法包括在服务器的输入端处接收因特网协议（IP）分组，从通信耦合的路由器接收IP分组，将IP分组标识为生产IP分组或非生产IP分组，当 IP分组是非生产IP分组，处理IP分组内的数据来监控网络层功能，将被处理的非生产IP分组转发到路由器，当IP分组是生产IP分组时，转发生产IP分组到路由器，而不会处理IP包内的数据。

7. 发明授权

US08699484B2 Methods and apparatus to route packets in a network 失效
标题翻译：在网络中路由数据包的方法和设备
公开(公告)号：US08699484B2
公开(公告)日：2014-04-15
申请号：US12786157
申请日：2010-05-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： H04L12/28 , H04L12/56 , H04J3/24
CPC分类号： H04L45/58 , H04L41/0213 , H04L47/32 , H04L47/41 , H04L49/25 , H04L49/70 , Y02D50/30
摘要： Methods and apparatus to route packets in a network are disclosed. A disclosed example method includes receiving a packet in a packet aggregator, accessing a forwarding table to determine a router within a router array to which the packet is to be forwarded, transmitting the packet to the determined router via a first interface of the packet aggregator, identifying a second interface within the router to which the packet is to be forwarded, forwarding the packet from the router via the second interface to a virtual interface within the packet aggregator, and statically forwarding the packet from the packet aggregator to a destination based on the virtual interface that received the packet.
摘要翻译：公开了在网络中路由分组的方法和装置。所公开的示例方法包括在分组聚合器中接收分组，访问转发表以确定要转发分组的路由器阵列内的路由器，经由分组聚合器的第一接口将分组发送到所确定的路由器，识别分组将要转发到的路由器内的第二接口，将分组从路由器经由第二接口转发到分组聚合器内的虚拟接口，并且基于分组聚合器将分组从分组聚合器静态转发到目的地虚拟接口收到数据包。

8. 发明授权

US08064359B2 System and method for spatially consistent sampling of flow records at constrained, content-dependent rates 有权
标题翻译：以受限制的，依赖内容的速率对流记录进行空间一致采样的系统和方法
公开(公告)号：US08064359B2
公开(公告)日：2011-11-22
申请号：US12343007
申请日：2008-12-23
申请人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
发明人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
IPC分类号： H04L12/26
CPC分类号： H04L43/026 , H04L43/024 , Y02D50/30
摘要： Disclosed herein are systems, computer-implemented methods, and computer-readable media for sampling network traffic. The method includes receiving a desired quantity of flow record to sample, receiving a plurality of network flow record each summarizing a network flow of packets, calculating a hash for each flow record of based on one or more invariant part of a respective flow, generating a quasi-random number from the calculated hash for each respective flow record, generating a priority from the calculated hash for each respective flow record, and sampling exactly the desired quantity of flow records, selecting flow records having a highest priority first. In one aspect, the method further partitions the plurality of flow records into groups based on flow origin and destination, generates an individual priority for each partitioned group, and separately samples exactly the desired quantity of flow records from each partitioned group, selecting flows having a highest individual priority first.
摘要翻译：本文公开了系统，计算机实现的方法和用于对网络业务进行采样的计算机可读介质。该方法包括接收所需数量的流记录到采样中，接收多个网络流记录，每个汇总分组的网络流，基于相应流的一个或多个不变部分计算每个流记录的散列，从每个相应流记录的计算散列中产生准随机数，从每个相应流记录的计算散列生成优先级，并精确地采样所需数量的流记录，首先选择具有最高优先级的流记录。在一个方面，该方法还基于流源和目的地进一步将多个流记录划分为组，为每个分区组生成一个单独的优先级，并且从每个分区组中分别精确地采集所需数量的流记录，选择具有最高个人优先。

9. 发明申请

US20100161791A1 SYSTEM AND METHOD FOR SAMPLING NETWORK TRAFFIC 有权
标题翻译：用于采集网络交通的系统和方法
公开(公告)号：US20100161791A1
公开(公告)日：2010-06-24
申请号：US12342957
申请日：2008-12-23
申请人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
发明人： Nicholas Duffield , Lee M. Breslau , Cheng Ee , Alexandre Gerber , Carsten Lund , Subhabrata Sen
IPC分类号： G06F15/173
CPC分类号： H04L43/04 , H04L43/022 , H04L43/026 , H04L43/062
摘要： Disclosed herein are systems, computer-implemented methods, and computer-readable media for sampling network traffic. The method includes receiving a plurality of flow records, calculating a hash for each flow record based on one or more invariant part of a respective flow, generating a quasi-random number from the calculated hash for each respective flow record, and sampling flow records having a quasi-random number below a probability P. Invariant parts of flow records include destination IP address, source IP address, TCP/UDP port numbers, TCP flags, and network protocol. A plurality of routers can uniformly calculate hashes for flow records. Each router in a plurality of routers can generate a same quasi-random number for each respective flow record and uses different values for probability P. The probability P can depend on a flow size. The method can divide the quasi-random number by a maximum possible hash value.
摘要翻译：本文公开了系统，计算机实现的方法和用于对网络业务进行采样的计算机可读介质。该方法包括：接收多个流记录，基于相应流的一个或多个不变部分计算每个流记录的散列，从针对每个相应流记录的计算出的散列生成准随机数，以及对具有低于概率P的准随机数。流记录的不变部分包括目的地IP地址，源IP地址，TCP / UDP端口号，TCP标志和网络协议。多个路由器可以统一计算流记录的哈希值。多个路由器中的每个路由器可以为每个相应的流记录生成相同的准随机数，并对概率P使用不同的值。概率P可以取决于流量大小。该方法可以将准随机数除以最大可能的哈希值。

10. 发明申请

US20110286457A1 METHODS AND APPARATUS TO ROUTE CONTROL PACKETS BASED ON ADDRESS PARTITIONING 有权
标题翻译：基于地址分配的路由控制分组的方法和装置
公开(公告)号：US20110286457A1
公开(公告)日：2011-11-24
申请号：US12786162
申请日：2010-05-24
申请人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
发明人： Cheng Tien Ee , Lee M. Breslau , Kadangode K. Ramakrishnan
IPC分类号： H04L12/56
CPC分类号： H04L45/741 , H04L45/00 , H04L45/12 , H04L45/54 , H04L45/586 , H04L45/7457 , H04L61/2503
摘要： Methods and apparatus to route control packets based on address partitioning. A disclosed example method includes receiving a packet in a server, determining the packet is a control packet, forwarding the packet to a processor, identifying via the processor an address prefix of the packet, accessing a forwarding table and determining via the processor at least one of a router or an outgoing interface that corresponds to the identified address prefix, transmitting the packet from the processor to the server via the outgoing interface, and statically forwarding the packet from the server to the router based on an interface that received the packet from the processor.
摘要翻译：基于地址分区路由控制报文的方法和装置。所公开的示例性方法包括在服务器中接收分组，确定分组是控制分组，将分组转发到处理器，经由处理器识别分组的地址前缀，访问转发表并经由处理器确定至少一个路由器或对应于所识别的地址前缀的出局接口，经由所述出站接口将所述分组从所述处理器发送到所述服务器，以及基于从所述服务器接收到所述分组的接口将所述分组从所述服务器静态地转发到所述路由器处理器。

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