公开(公告)号：US20170214549A1

公开(公告)日：2017-07-27

申请号：US15403391

申请日：2017-01-11

Applicant: ALAXALA Networks Corporation

Inventor： Hiroyuki YOSHINO ,  Motohide NOUMI

IPC: H04L12/46 ,  H04L12/741

CPC classification number: H04L12/4641 ,  H04L12/4633 ,  H04L45/28 ,  H04L45/66 ,  H04L45/74

Abstract: A network device is configured to: detect a virtual network that is unable to relay communication as a failed virtual network; identify, as a failed virtual network identifier, a virtual network identifier assigned to a combination of the failed virtual network and a physical port through which communication of the failed virtual network pass, based on mapping information; identify a first virtual tunnel end point that relays communication of the failed virtual network; identify a second virtual tunnel end point of another network device that communicates with the first virtual tunnel end point based on the tunnel information; and send, to the second virtual tunnel end point, a clear request including the failed virtual network identifier and an IP address of the first virtual tunnel end point, and the clear request being used for clearing a MAC address used in Layer 2 protocol.

公开(公告)号：US09641437B2

公开(公告)日：2017-05-02

申请号：US14450552

申请日：2014-08-04

Applicant: ALAXALA Networks Corporation

Inventor： Yuichi Ishikawa ,  Takao Nara

IPC: H04L12/743 ,  H04L12/721 ,  H04L12/851

CPC classification number: H04L45/7457 ,  H04L45/38 ,  H04L47/2441

Abstract: A packet relay device has a packet receiving unit, a switch, a packet sending unit, an associative memory, and a packet search unit. The packet search unit has action registers which hold information specifying an action to be executed, holds address range information including consecutive address ranges of the associative memory and the action registers in association with each other, and registers a plurality of flow entries at a plurality of addresses in the same address range. The flow entries have conditions identifying the flows associated with the same action. The device inputs header information of the packets into the associative memory, determines the action to be executed in accordance with information read out from the action register corresponding to the address range including an address output from the associative memory, and executes the determined action.

公开(公告)号：US20170104693A1

公开(公告)日：2017-04-13

申请号：US15383990

申请日：2016-12-19

Applicant: ALAXALA NETWORKS CORPORATION

Inventor： Masayuki Shinohara ,  Nobuhito Matsuyama ,  Takayuki Muranaka ,  Isao Kimura ,  Shinichi Akahane

IPC: H04L12/947 ,  H04L12/931 ,  H04L12/939

CPC classification number: H04L49/25 ,  H04L49/40 ,  H04L49/552

Abstract: Network switching arrangements including: setting an operation mode of a target switching block to a operation mode that is different from an operation mode of a first switching block while the first switching block is handling a switching process, the target switching block being one switching block selected from second switching blocks; performing a switchover process including starting the switching process using the target switching block instead of the first switching block, after completion of setting the operation mode of the target switching block; and copying the switching information held by the first switching block to the target switching block, prior to starting the switching process using the target switching block, after completion of setting the operation mode of the target switching block.

公开(公告)号：US09591782B2

公开(公告)日：2017-03-07

申请号：US15052073

申请日：2016-02-24

Applicant: ALAXALA NETWORKS CORPORATION

Inventor： Toru Sasaki ,  Shuuji Kameno ,  Junji Baba

IPC: H05K5/00 ,  H05K7/14 ,  H05H5/00

CPC classification number: H05K7/1409 ,  H05H5/00

Abstract: A connector housing apparatus includes a main body section that has a plurality of connectors confronting a plurality of external connectors of an external housing and a moving guide section that guides movement of the main body section toward the external housing. The moving guide section has a latching section that latches the moving guide section on the external housing. The main body section is connected to the moving guide section so as to be movable in a fitting direction of the plurality of connectors. The latching section latches the moving guide section on a position at which the plurality of connectors are fitted to the plurality of external connectors. The main body section moves along the moving guide section in the fitting direction of the plurality of connectors, and thereby the plurality of connectors are fitted to the plurality of external connectors.

Abstract translation: 连接器壳体装置包括：主体部，其具有面对外部壳体的多个外部连接器的多个连接器和引导主体部分朝向外部壳体的移动的移动引导部。 移动引导部具有将移动引导部分锁定在外部壳体上的闩锁部。 主体部与移动引导部连接，能够在多个连接器的嵌合方向上移动。 闩锁部分将移动引导部分锁定在多个连接器装配到多个外部连接器的位置上。 主体部分沿着移动引导部分沿着多个连接器的装配方向移动，从而多个连接器装配到多个外部连接器。

公开(公告)号：US20170041223A1

公开(公告)日：2017-02-09

申请号：US15219333

申请日：2016-07-26

Applicant: ALAXALA Networks Corporation

Inventor： Dai AKASHI

IPC: H04L12/721 ,  H04L29/12

CPC classification number: H04L45/66 ,  H04L61/103 ,  H04L61/6009 ,  H04L61/6022

Abstract: A transfer device includes: first and second ports connected to L3 and L2 networks, respectively; a storage unit that stores data processing information which brings a MAC address of a communication device in the L2 network into correspondence with information regarding processing of data, and address information which brings an IP address of the communication device in the L2 network into correspondence with the MAC address thereof; and a transfer unit that, upon receiving data addressed to the communication device in the L2 network through the first port, searches the address information with an IP address in the data to acquire a MAC address corresponding to the IP address, searches the data processing information with the acquired MAC address, and depending on a search result, controls whether to transfer the data through the first port based on information regarding processing of data corresponding to the acquired MAC address.

Abstract translation: 传输设备包括：分别连接到L3和L2网络的第一和第二端口; 存储单元，其存储使L2网络中的通信装置的MAC地址与数据处理的信息对应的数据处理信息，以及使L2网络中的通信装置的IP地址与 MAC地址; 以及传送单元，其在通过所述第一端口接收到寻址到所述L2网络中的通信设备的数据时，在所述数据中搜索所述地址信息中的IP地址以获取与所述IP地址相对应的MAC地址，搜索所述数据处理信息 利用所获取的MAC地址，并且根据搜索结果，基于与所获取的MAC地址相对应的数据的处理的信息来控制是否通过第一端口传送数据。

公开(公告)号：US09154313B2

公开(公告)日：2015-10-06

申请号：US13720523

申请日：2012-12-19

Applicant: ALAXALA Networks Corporation

Inventor： Tomohiko Kono

IPC: H04L12/28 ,  H04L12/12 ,  H04L12/66 ,  H04J3/06

CPC classification number: H04L12/12 ,  G06F1/32 ,  G06F1/3206 ,  G06F1/3209 ,  G06F1/3237 ,  G06F1/324 ,  H04J3/0697 ,  H04L12/66 ,  Y02D10/126 ,  Y02D10/128

Abstract: A network relay apparatus includes: a clock generation circuit, a processing circuit, a load detector and a clock cutoff circuit. The clock generation circuit is configured to generate a clock signal having periodical clock pulses. The processing circuit is configured to operate in synchronism with the clock pulses, in order to process data that is to be relayed by the network relay apparatus. The load detector is configured to detect a load of processing by the processing circuit. The clock cutoff circuit is configured to cut off supply of the clock pulses from the clock generation circuit to the processing circuit in order to partially eliminate the clock pulses at a rate corresponding to the load detected by the load detector and to provide the clock signal having the partially eliminated clock pulses to the processing circuit.

Abstract translation: 网络中继装置包括：时钟产生电路，处理电路，负载检测器和时钟截止电路。 时钟发生电路被配置为产生具有周期性时钟脉冲的时钟信号。 处理电路被配置为与时钟脉冲同步地操作，以便处理由网络中继装置中继的数据。 负载检测器被配置为检测处理电路的处理负载。 时钟切断电路被配置为切断从时钟产生电路到处理电路的时钟脉冲的供应，以便以与负载检测器检测到的负载相对应的速率部分地消除时钟脉冲，并提供具有 部分消除的时钟脉冲到处理电路。

公开(公告)号：US20150242534A1

公开(公告)日：2015-08-27

申请号：US14579132

申请日：2014-12-22

Applicant: ALAXALA Networks Corporation

Inventor： Shinichi AKAHANE ,  Kazuo SUGAI ,  Tomohiko KOUNO ,  Takao NARA

IPC: G06F17/30

CPC classification number: G06F17/30982 ,  G11C15/00 ,  G11C29/56008 ,  G11C2029/0401

Abstract: A communication apparatus comprises a CAM, an action determination unit, and a CAM diagnosis unit. The CAM includes, a plurality of entries each storing therein at least a portion of header information of frame, and a search circuit for each entry configured to determine whether or not a search key matches data stored at the entry. The search key is correlated with information indicating whether or not an entry matching the search key and an expected value of a search result including identification information of an entry matching the search key. The CAM diagnosis unit causes the CAM to search for an entry matching the search key. The CAM diagnosis unit diagnoses a failure occurring at the search circuit of an entry to be the test object when the result of the search does not match the expected value of a search result correlated to the search key.

Abstract translation: 通信装置包括CAM，动作确定单元和CAM诊断单元。 CAM包括：多个条目，其中存储有帧的标题信息的至少一部分，以及用于每个条目的搜索电路，用于确定搜索关键字是否匹配存储在该条目中的数据。 搜索关键字与指示匹配搜索关键字的条目和包括与搜索关键字匹配的条目的识别信息的搜索结果的期望值的信息相关联。 CAM诊断单元使CAM搜索与搜索关键字匹配的条目。 当搜索结果与搜索关键字相关的搜索结果的期望值不匹配时，CAM诊断单元诊断出现在作为测试对象的条目的搜索电路处的故障。

公开(公告)号：US20150195102A1

公开(公告)日：2015-07-09

申请号：US14592488

申请日：2015-01-08

Applicant: ALAXALA Networks Corporation

Inventor： Shigeo MOCHIDA ,  Yoshihisa TANAKA

IPC: H04L12/437 ,  H04L12/24 ,  H04L12/26 ,  H04L12/427

CPC classification number: H04L12/437 ,  H04L12/427 ,  H04L41/0668 ,  H04L45/28 ,  H04L49/102 ,  H04L49/557

Abstract: To improve fault tolerance of a ring network, provided is a data transfer device system belonging to a ring network system. The data transfer device system includes a plurality of data transfer devices; the plurality of data transfer devices including a first data transfer device and a second data transfer device connected with the first data transfer device; the first data transfer device having a first ring port; and the second data transfer device having a second ring port. The first data transfer device controls whether to permit the first ring port and the second ring port to transfer data based on a state of the network system, an attribute of the first data transfer device in the data transfer device system, and an attribute of the data transfer device system in the network system.

Abstract translation: 为了提高环网的容错性，提供了属于环网系统的数据传输设备系统。 数据传送装置系统包括多个数据传送装置; 所述多个数据传送装置包括与所述第一数据传送装置连接的第一数据传送装置和第二数据传送装置; 所述第一数据传送装置具有第一环形端口; 并且第二数据传送装置具有第二环形端口。 第一数据传送装置控制是否允许第一环形端口和第二环形端口基于网络系统的状态传输数据，数据传送装置系统中的第一数据传送装置的属性和 网络系统中的数据传输设备系统。

公开(公告)号：US20150063161A1

公开(公告)日：2015-03-05

申请号：US14263360

申请日：2014-04-28

Applicant: ALAXALA NETWORKS CORPORATION

Inventor： Kazuaki HOMMA ,  Motohide NOMI

IPC: H04W48/14

CPC classification number: H04W24/02 ,  H04W84/047 ,  H04W84/12

Abstract: A relay device connected to a node and connects the node to a network, wherein, when receiving an address acquisition request through a physical port, the relay device transmits, to the node, an address acquisition reply including an address to be set in the node, node information identifying the node that has transmitted the address acquisition request, and an address of the setting information storage device which is connected to the network and configured to store setting information of the node, transmits, to the setting information storage device, a setting information acquisition request which is transmitted with an address of the setting information storage device set as a destination and which includes the node information, and transmits, to the node, setting information which corresponds to the node information included in the setting information acquisition request and which is transmitted from the setting information storage device.

Abstract translation: 连接到节点并将节点连接到网络的中继设备，其中，当通过物理端口接收到地址获取请求时，中继设备向节点发送包括要在节点中设置的地址的地址获取回复 识别已经发送了地址获取请求的节点的节点信息和连接到网络并被配置为存储节点的设置信息的设置信息存储设备的地址，向设置信息存储设备发送设置 信息获取请求，其以设置为目的地的设置信息存储装置的地址发送并且包括节点信息，并且向节点发送与包括在设置信息获取请求中的节点信息相对应的设置信息，以及哪个 从设定信息存储装置发送。

公开(公告)号：US20150043582A1

公开(公告)日：2015-02-12

申请号：US14262831

申请日：2014-04-28

Applicant: ALAXALA Networks Corporation

Inventor： Kentaro SUGAWARA ,  Yuichi ISHIKAWA ,  Yutaka TAKAGI ,  Takao NARA

IPC: H04L12/741

CPC classification number: H04L45/745 ,  H04L45/7457

Abstract: It is provided a packet transfer apparatus comprising: a packet reception part; a packet transmission part; a packet generation part for generating an own-apparatus-originated packet serving as a packet for instructing a predetermined operation and outputting the own-apparatus-originated packet; a packet search part for determining a content of flow control and searching for an output circuit; a search memory for storing the content of the flow control and information for identifying the output circuit outputting the packet; and a packet transfer processing part. The packet reception part determines whether the received packet is the own-apparatus-originated packet; and outputs a self-origination flag indicating a result of the determining and header information of the received packet to the packet search part. The packet search part determines the content of the flow control for the received packet by referring to the search memory based on the self-origination flag and the header information.

Abstract translation: 提供了一种分组传送装置，包括：分组接收部分; 分组传输部分; 分组生成部，其生成用作指示预定操作的分组的自身装置发起的分组，并输出自身装置发起的分组; 分组搜索部分，用于确定流量控制的内容并搜索输出电路; 用于存储流量控制的内容的搜索存储器和用于识别输出分组的输出电路的信息; 和分组传送处理部分。 分组接收部确定接收到的分组是否是自身装置发起的分组; 并且向分组搜索部分输出指示所确定的结果的自发标志和接收到的分组的报头信息。 分组搜索部分基于自发起始标志和头信息，通过参考搜索存储器来确定接收到的分组的流控制的内容。