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Alaxala Networks Corporation patents


Recent patent applications related to Alaxala Networks Corporation. Alaxala Networks Corporation is listed as an Agent/Assignee. Note: Alaxala Networks Corporation may have other listings under different names/spellings. We're not affiliated with Alaxala Networks Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Alaxala Networks Corporation-related inventors


Network system, network controller, and network control method

To identify a network device connected with a terminal by combining not only arp information and fdb information but also lldp information. An interruption message is replied to a web access of a user to display the interruption message on a web browser to notify the user of interruption of communication.. ... Alaxala Networks Corporation

Packet relay apparatus

A packet relay apparatus, which is configured to transmit from a mirror port a mirror packet copied from one of a packet to be received and a packet to be transmitted, the packet relay apparatus comprising: a packet receiving module configured to receive a packet from an input port; a security judgment module configured to judge whether or not the packet is possibly one of an attack and an attack sign; a mirror processing module configured to generate, when it is judged that the packet is possibly one of an attack and an attack sign, a replica of the packet as the mirror packet; and a transmitting module configured to transmit the mirror packet from the mirror port.. . ... Alaxala Networks Corporation

Communication device and communication method

Provided is a communication device in which communication between hosts of a layer 2 network is overlaid on a layer 3 network. The communication device manages a first mtu length of each communication path with respect to a plurality of communication paths in the layer 3 network, determines a second mtu length based on information to be added in cases where communication between the hosts of the layer 2 network is overlaid via the plurality of communication paths, and notifies the hosts of the second mtu length.. ... Alaxala Networks Corporation

Communication device and communication method

In a core node, packet related information included in a packet is extracted, a virtual queue length, which is an estimated value of a queue length of a transmission queue addressed to a user in an edge device, is calculated and held on a user basis on the basis of the packet related information and band information of a line between the edge device and the user, and a determination is made, on a user basis, as to whether or not band control is required, on the basis of the virtual queue length and predetermined conditions so as to perform, on the basis of the result of the determination, the band control of the packet addressed to the user on a user basis in a packet relay part.. . ... Alaxala Networks Corporation

Communication apparatus and communication method

A network apparatus which is one of two network apparatuses using a tunneling protocol and which accommodates a user, wherein the network apparatus includes a function for uniquely determining an identifier in a header of the tunneling protocol in accordance with a setting made by a network operation administrator, and encapsulating and transmitting a packet with the determined identifier, and the other network apparatuses connected to the dpi apparatus 10 includes a function of carrying out decapsulation processing, converting the identifier in the tunneling protocol header into an identifier associated with the output destination interface, attaching a conversion result to a decapsulated packet as an internal control tag, and transferring the conversion result to hardware carrying out packet transfer processing.. . ... Alaxala Networks Corporation

Network device, communication method, and network system

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.. . ... Alaxala Networks Corporation

Network switching device

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.. . ... Alaxala Networks Corporation

Communication apparatus

A communication apparatus receives control information of first data and a plurality of types of header information of first data, the first data being received by a first data receiver; selects a parameter from the plurality of types of header information of the first data based on a priority of a first data receiver group to which the first data receiver belongs and a storage condition, the priority being indicated by priority information, the storage condition indicating the number of entries of a whitelist that can be stored in a whitelist storage first memory; and add, to the whitelist, an entry that includes control information of the first data and at least one parameter selected above.. . ... Alaxala Networks Corporation

Communication apparatus

A packet communication apparatus is configured to relay packets transmitted and received between information processing apparatuses. The packet communication apparatus includes: a network interface connectable to a network; a cpu to be a destination of at least one of a plurality of packets to be received through the network interface; a first buffer configured to hold the packets destined to the cpu in order to output the packets to the cpu; a second buffer having a plurality of planes and configured to hold copies of the packets destined to the cpu held in the first buffer in one of the plurality of planes; and a reception history controller configured to store a copy of a packet to a specified plane of the second buffer or to save copies of packets held in the second buffer to another storage area based on usage of the first buffer.. ... Alaxala Networks Corporation

Transfer device and transfer system

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.. . ... Alaxala Networks Corporation








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