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1. 发明授权

US09231889B2 Packet switch and method of use 有权
标题翻译：分组交换机和使用方法
公开(公告)号：US09231889B2
公开(公告)日：2016-01-05
申请号：US13481502
申请日：2012-05-25
申请人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
发明人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
IPC分类号： H04L12/56 , G06F15/173 , H04L12/931 , H04L12/46 , H04L12/26 , H04L12/939 , H04L12/24 , H04L29/06
CPC分类号： H04L49/351 , H04L12/4641 , H04L12/4645 , H04L41/0213 , H04L41/046 , H04L41/0896 , H04L43/028 , H04L43/0823 , H04L43/0882 , H04L43/12 , H04L43/16 , H04L43/18 , H04L49/201 , H04L49/354 , H04L49/555 , H04L63/0227 , H04L63/1408
摘要： A packet switch device for providing visibility of traffic in a network includes a housing, a processing unit located in the housing, a first network port communicatively coupled to the processing unit, wherein the first network port is configured to communicate with the network, a second network port communicatively coupled to the processing unit, wherein the second network port is configured to communicate with the network, and at least one instrument port communicatively coupled to the processing unit, the at least one instrument port configured to communicate with a first network monitoring instrument, wherein the processing unit is configured to support a movement of packets from one or both of the first and second network ports to the at least one instrument port.
摘要翻译：一种用于提供网络中业务的可视性的分组交换设备，包括壳体，位于壳体中的处理单元，通信地耦合到处理单元的第一网络端口，其中第一网络端口被配置为与网络通信，第二网络端口被配置为与网络通信，网络端口，通信地耦合到所述处理单元，其中所述第二网络端口被配置为与所述网络通信，以及至少一个通信地耦合到所述处理单元的仪器端口，所述至少一个仪器端口被配置为与第一网络监视仪器，其中所述处理单元被配置为支持分组从所述第一和第二网络端口中的一个或两个到所述至少一个仪器端口的移动。

2. 发明授权

US09077689B2 Intelligent packet slicing 有权
标题翻译：智能包切片
公开(公告)号：US09077689B2
公开(公告)日：2015-07-07
申请号：US13489361
申请日：2012-06-05
申请人： Patrick Pak Tak Leong
发明人： Patrick Pak Tak Leong
IPC分类号： H04J3/24 , H04L29/06
CPC分类号： H04L69/04 , H04L69/22
摘要： Packets can be intelligently sliced by removing irrelevant portions of a packet, while retaining relevant portions. For a series of network packets, a packet is obtained from the network. The packet includes at least a header, one or more packet fields, and a first data payload. The protocol of the packet is determined. Once the protocol is known, the packet header is parsed to determine the position of the first data payload. Based on the determine positions of the first data payload, a modified packet is created by removing or masking the first data payload.
摘要翻译：通过删除数据包的不相关部分，同时保留相关部分，可以智能地对数据包进行分片。对于一系列网络数据包，从网络获取数据包。分组包括至少一个报头，一个或多个分组字段和第一数据有效载荷。确定分组的协议。一旦协议被知道，分组报头被解析以确定第一数据有效载荷的位置。基于第一数据有效载荷的确定位置，通过去除或掩蔽第一数据有效载荷来创建修改的分组。

3. 发明授权

US08830819B2 Network switch with by-pass tap 有权
标题翻译：带旁路的网络交换机
公开(公告)号：US08830819B2
公开(公告)日：2014-09-09
申请号：US12714203
申请日：2010-02-26
申请人： Patrick Pak Tak Leong , Thomas Kwok Yin Cheung
发明人： Patrick Pak Tak Leong , Thomas Kwok Yin Cheung
IPC分类号： H04L12/26 , H04L29/06 , H04L12/933 , H04L12/707
CPC分类号： H04L63/1416 , H04L45/24 , H04L49/10 , H04L63/02
摘要： A network switch apparatus includes a first network port, a second network port, a first inline port, a second inline port, wherein the first and second inline ports are for communication with a pass-through device, a packet switch, and a by-pass device configured to operate in a first mode of operation, wherein in the first mode of operation, the by-pass device is configured to pass a first packet received at the first network port to the packet switch. The by-pass device is configured to switch from the first mode of operation to a second mode of operation upon an occurrence of a condition, and wherein in the second mode of operation, the by-pass device is configured to transmit a second packet received at the first network port to the second network port without passing the second packet to the packet switch.
摘要翻译：网络交换设备包括第一网络端口，第二网络端口，第一内联端口，第二内联端口，其中所述第一和第二内联端口用于与直通设备通信，分组交换机，被配置为在第一操作模式下操作，其中在所述第一操作模式中，所述旁路设备被配置为将在所述第一网络端口接收的第一分组传递到分组交换机。旁路设备被配置为在出现条件时从第一操作模式切换到第二操作模式，并且其中在第二操作模式中，旁路设备被配置为发送接收的第二分组在第一网络端口到第二网络端口，而不将第二个分组传递到分组交换机。

4. 发明授权

US07889748B1 Mapping a port on a packet switch appliance 有权
标题翻译：映射分组交换机设备上的端口
公开(公告)号：US07889748B1
公开(公告)日：2011-02-15
申请号：US11701731
申请日：2007-02-02
申请人： Patrick Pak Tak Leong , King L. Won , Ted Ho
发明人： Patrick Pak Tak Leong , King L. Won , Ted Ho
IPC分类号： H04L12/28
CPC分类号： H04L12/4645 , H04L49/354
摘要： A packet switch appliance includes a plurality of ports. One of the plurality of ports is configured to operate as a network port connected to a packet-switching network. To map the network port of the packet switch appliance, a port map is created. The port map includes a first map rule, which has a first criterion and a first action, and at least a second map rule, which has a second criterion and a second action. The port map is assigned to the network port. When an ingress packet is received from the packet-switching network through the network port, the port map is applied to the ingress packet.
摘要翻译：分组交换机装置包括多个端口。多个端口中的一个被配置为作为连接到分组交换网络的网络端口来操作。要映射分组交换机设备的网络端口，将创建端口映射。端口映射包括具有第一标准和第一动作的第一映射规则以及具有第二标准和第二动作的至少第二映射规则。端口映射被分配给网络端口。当通过网络端口从分组交换网络接收到入口分组时，端口映射应用于入口分组。

5. 发明授权

US07436832B2 Asymmetric packets switch and a method of use 有权
标题翻译：非对称分组交换和使用方法
公开(公告)号：US07436832B2
公开(公告)日：2008-10-14
申请号：US11123465
申请日：2005-05-05
申请人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
发明人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
IPC分类号： H04L12/28
CPC分类号： H04L49/351 , H04L12/4641 , H04L12/4645 , H04L41/0213 , H04L41/046 , H04L41/0896 , H04L43/028 , H04L43/0823 , H04L43/0882 , H04L43/12 , H04L43/16 , H04L43/18 , H04L49/201 , H04L49/354 , H04L49/555 , H04L63/0227 , H04L63/1408
摘要： The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.
摘要翻译：分组交换机和分组交换方法技术领域本发明涉及分组交换机和分组交换方法。本发明的示例性实施例包括至少三个网络端口，至少一个仪器端口，多路复用交换机，分组交换结构和地址表。该实施例更新地址表以包括每个网络端口的每个入口分组的源地址，并将源地址与该网络端口相关联。多路复用交换机根据网络端口的身份对每个网络端口的入口报文流量进行路由，使得一个网络端口的报文流量的至少一个副本路由到仪器端口。分组交换结构根据报文的目的地址和与地址表中记录的目的地址相关联的网络端口的标识，将报文从仪器端口路由到网络端口。

6. 发明授权

US07424018B2 Asymmetric packet switch and a method of use 有权
标题翻译：非对称分组交换机和使用方法
公开(公告)号：US07424018B2
公开(公告)日：2008-09-09
申请号：US11123377
申请日：2005-05-05
申请人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
发明人： Tom Gallatin , Denny K. Miu , King L. Won , Patrick Pak Tak Leong , Ted Ho
IPC分类号： H04L12/28
CPC分类号： H04L49/351 , H04L12/4641 , H04L12/4645 , H04L41/0213 , H04L41/046 , H04L41/0896 , H04L43/028 , H04L43/0823 , H04L43/0882 , H04L43/12 , H04L43/16 , H04L43/18 , H04L49/201 , H04L49/354 , H04L49/555 , H04L63/0227 , H04L63/1408
摘要： The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.
摘要翻译：分组交换机和分组交换方法技术领域本发明涉及分组交换机和分组交换方法。本发明的示例性实施例包括至少三个网络端口，至少一个仪器端口，多路复用交换机，分组交换结构和地址表。该实施例更新地址表以包括每个网络端口的每个入口分组的源地址，并将源地址与该网络端口相关联。多路复用交换机根据网络端口的身份对每个网络端口的入口报文流量进行路由，使得一个网络端口的报文流量的至少一个副本路由到仪器端口。分组交换结构根据报文的目的地址和与地址表中记录的目的地址相关联的网络端口的标识，将报文从仪器端口路由到网络端口。

7. 发明授权

US09184995B2 Traffic visibility in an open networking environment 有权
标题翻译：在开放的网络环境中的流量可见性
公开(公告)号：US09184995B2
公开(公告)日：2015-11-10
申请号：US13444609
申请日：2012-04-11
申请人： Patrick Pak Tak Leong
发明人： Patrick Pak Tak Leong
IPC分类号： G01R31/08 , H04L12/24 , H04L12/26
CPC分类号： H04L41/0823 , H04L41/0803 , H04L41/0853 , H04L43/062
摘要： A method of monitoring network traffic includes accessing a network that includes a controller and a switch device having a flow table, wherein the controller is communicatively coupled to the switch device, and is configured to program a behavior of the switch device through an openflow protocol, and obtaining information regarding the programmed behavior of the switch device, wherein the act of obtaining the information is performed by a network appliance that is communicatively coupled to the network. An apparatus communicatively coupled to a network, includes a processor configured for accessing the network that includes a controller and a switch device having a flow table, wherein the controller is communicatively coupled to the switch device, and is configured to program a behavior of the switch device through an openflow protocol, and obtaining information regarding the programmed behavior of the switch device.
摘要翻译：监视网络流量的方法包括访问包括控制器的网络和具有流表的交换设备，其中所述控制器通信地耦合到所述交换设备，并且被配置为通过开放流协议对所述交换设备的行为进行编程，以及获得关于所述交换设备的编程行为的信息，其中所述获取所述信息的动作由通信地耦合到所述网络的网络设备执行。一种通信地耦合到网络的设备，包括被配置用于访问包括控制器和具有流表的交换设备的网络的处理器，其中所述控制器通信地耦合到所述交换设备，并且被配置为对所述交换机的行为进行编程设备通过开放流程协议，并且获得关于开关设备的编程行为的信息。

8. 发明授权

US08537697B2 Packet timing measurement 有权
标题翻译：分组定时测量
公开(公告)号：US08537697B2
公开(公告)日：2013-09-17
申请号：US12709049
申请日：2010-02-19
申请人： Patrick Pak Tak Leong , Murali R. Bommana
发明人： Patrick Pak Tak Leong , Murali R. Bommana
IPC分类号： H04L12/26
CPC分类号： H04L47/11 , H04J3/0641 , H04L43/0858 , H04L43/106
摘要： A method and apparatus for performing packet time measurements. In one embodiment, the method comprises transmitting a packet in the network from a sender to a receiver through a plurality of devices; creating a plurality of packets by copying the packet at each of the plurality of devices as the packet is being transmitted through the plurality of devices, including adding a time stamp to each packet in the plurality of packets, wherein time stamps of plurality of packets are generated with data from time stamp engines synchronized to a global clock; sending the plurality of packets with their time stamps to a tool; and performing analysis on the plurality of packets using the tool.
摘要翻译：一种用于执行分组时间测量的方法和装置。在一个实施例中，该方法包括通过多个设备从网络从发送器到接收者发送分组; 通过在通过多个设备发送分组的同时复制多个设备中的每一个的分组来创建多个分组，包括对多个分组中的每个分组添加时间戳，其中多个分组的时间戳是使用与全球时钟同步的时间戳引擎的数据生成; 将其时间戳的多个分组发送到工具; 以及使用所述工具对所述多个分组执行分析。

9. 发明授权

US08208494B2 Intelligent packet slicing 有权
标题翻译：智能包切片
公开(公告)号：US08208494B2
公开(公告)日：2012-06-26
申请号：US12327756
申请日：2008-12-03
申请人： Patrick Pak Tak Leong
发明人： Patrick Pak Tak Leong
IPC分类号： H04J3/24
CPC分类号： H04L69/04 , H04L69/22
摘要： Packets can be intelligently sliced by removing irrelevant portions of a packet, while retaining relevant portions. For a series of network packets, a packet is obtained from the network. The packet includes at least a header, one or more packet fields, and a first data payload. The protocol of the packet is determined. Once the protocol is known, the packet header is parsed to determine the position of the first data payload. Based on the determine positions of the first data payload, a modified packet is created by removing or masking the first data payload.
摘要翻译：通过删除数据包的不相关部分，同时保留相关部分，可以智能地对数据包进行分片。对于一系列网络数据包，从网络获取数据包。分组包括至少一个报头，一个或多个分组字段和第一数据有效载荷。确定分组的协议。一旦协议被知道，分组报头被解析以确定第一数据有效载荷的位置。基于第一数据有效载荷的确定位置，通过去除或掩蔽第一数据有效载荷来创建修改的分组。

10. 发明申请

US20110216771A1 ASYMMETRIC PACKET SWITCH AND A METHOD OF USE 有权
标题翻译：不对称分组开关及其使用方法
公开(公告)号：US20110216771A1
公开(公告)日：2011-09-08
申请号：US12870731
申请日：2010-08-27
申请人： Tom GALLATIN , Denny K. MIU , King L. WON , Patrick Pak Tak LEONG , Ted HO
发明人： Tom GALLATIN , Denny K. MIU , King L. WON , Patrick Pak Tak LEONG , Ted HO
IPC分类号： H04L12/56
CPC分类号： H04L49/351 , H04L12/4641 , H04L12/4645 , H04L41/0213 , H04L41/046 , H04L41/0896 , H04L43/028 , H04L43/0823 , H04L43/0882 , H04L43/12 , H04L43/16 , H04L43/18 , H04L49/201 , H04L49/354 , H04L49/555 , H04L63/0227 , H04L63/1408
摘要： The present invention relates to a packet switch and a packet switching method. An example embodiment of the present invention comprises at least three network ports, at least one instrument port, a mux-switch, a packet switch fabric, and an address table. The embodiment updates the address table to include the source address of each ingress packet of each network port and associate the source address with that network port. The mux-switch routes the ingress packet traffic of each network port according to the identity of the network port so that at least a copy of the packet traffic of one of the network ports is routed to an instrument port. The packet switch fabric routes the packets from the instrument ports to the network ports according the destination address of the packet and the identity of the network port that is associated with the destination address as recorded in the address table.
摘要翻译：分组交换机和分组交换方法技术领域本发明涉及分组交换机和分组交换方法。本发明的示例性实施例包括至少三个网络端口，至少一个仪器端口，多路复用交换机，分组交换结构和地址表。该实施例更新地址表以包括每个网络端口的每个入口分组的源地址，并将源地址与该网络端口相关联。多路复用交换机根据网络端口的身份对每个网络端口的入口报文流量进行路由，使得一个网络端口的报文流量的至少一个副本路由到仪器端口。分组交换结构根据报文的目的地址和与地址表中记录的目的地址相关联的网络端口的标识，将报文从仪器端口路由到网络端口。

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