60 results about "Port forwarding" patented technology

The invention discloses a control system supporting concurrent access of multiple hosts, a storage device and a medium, and relates to the technical field of data storage, the system runs on a control module externally connected with the storage device, and the system comprises a communication connection management unit used for establishing connection with multiple hosts through at least two host interfaces; the access request receiving unit is used for receiving access requests sent by different hosts through an uplink port of the multi-host switching chip, and the access arbitration and scheduling unit is used for carrying out real-time arbitration and unified scheduling on the requests according to a preset strategy; and the instruction forwarding and execution unit forwards an arbitrated instruction to the storage unit for execution through a downlink port, and the system further integrates a cache consistency management unit, a configurable arbitration strategy unit, a multi-mode storage space management unit and the like, so that the data consistency, the access efficiency and the system reliability during multi-host concurrent access are ensured. According to the scheme, efficient and safe parallel access of a plurality of hosts to a single storage device is realized.

Some embodiments provide a method of executing a distributed application with multiple EPUs that perform computations for the application. Each EPU is associated with a set of network interfaces with ports that connect the EPU to a network through which the EPUs forward results of the computations. The method generates, for first and second computations performed by a first EPU, first and second sets of configuration data to configure how first and second results are the forwarded through the set of ports of the first EPU. The method provides the configuration data to the network interfaces associated with the first EPU. The first set of configuration data directs the first EPU's network interfaces to forward the first result through one port. The second set of configuration data directs the first EPU's network interface set to forward the second result through two or more ports.

The congestion control method comprises the following steps: a first device determines that network congestion occurs when a first data stream is forwarded at an output port of the first device; in response to network congestion occurring in forwarding the first data stream at the output port, the first device sends a first message to a second device, the first message is used for requesting the second device to execute congestion control processing for the first data stream, and the second device is an upstream device of the first device in a transmission path of the first data stream. According to the scheme, the flow control of the data flow granularity is realized through the first message, the fineness of congestion control is improved, and the flow control in a wide area network scene becomes possible. And the problems of wire end blockage, deadlock, congestion diffusion and the like brought to the network by the traditional PFC technology are avoided. According to the embodiment of the invention, the congestion control processing is performed on the first data stream instead of performing the sending stop processing on the data of the whole queue, so that the network under-throughput can be effectively avoided, the association degree of the congestion control and the service is also improved, and the user experience is effectively improved.

The invention discloses a virtualization method for audio frequency integrated network resources, which belongs to the technical field of audio frequency network resource management, and comprises the following steps of: constructing a distributed virtual switch layer covering a subnet, embedding a virtual switch instance into a kernel mode network stack of each physical host in a cluster, dynamically mapping the cloud hosts in the subnet to a physical host group through a consistent Hash algorithm; when a cloud host sends an audio data packet, a source physical host virtual switch instance executes the following steps: extracting a DSCP field and marking the DSCP field as EF, and through GRE-over-UDP tunnel packaging, replacing a target MAC address with a virtual MAC address of a next hop virtual switch instance; and after the virtual switch instance of the target physical host is decapsulated, delivering the audio packet to the target cloud host based on the virtual port forwarding table. According to the method, efficient virtualization transmission of audio data is realized through a distributed virtual switching layer and a consistent Hash mapping mechanism, QoS guarantee and low-delay transmission are supported, and the method is suitable for audio network resource management in a large-scale cloud environment.

The application relates to a network traffic generation method, device, equipment and storage medium. The method comprises the following steps: receiving a plurality of network data packets; in the case that target network data packets to be copied are identified from the plurality of network data packets, for each target network data packet, performing copy processing on the target network data packet through a preset multicast processing mechanism to obtain a plurality of first network data packet copies of the target network data packet; in the case that the first network data packet copy needs to be reprocessed, performing reprocessing operation on the first network data packet copy; in the case that the first network data packet copy needs to be copied, performing copy processing on the first network data packet copy based on the preset multicast processing mechanism to obtain a plurality of second network data packet copies of the first network data packet copy; and distributing the plurality of second network data packet copies to corresponding switch output ports and forwarding to target network equipment. The method can improve the flexibility of network traffic generation.

The invention discloses a data processing device and a data processing method, which are applied to ensure that the bandwidth of the data processing device can meet service requirements under the condition that the bandwidth of a chip is limited. In the scheme, the plurality of chips are arranged in the data processing device, and each chip is connected to each port of the plurality of ports of the data processing device through the physical link, so that data entering from any port in the data processing device can be forwarded out from another port by the chip; therefore, the data processing device can normally execute data exchange. Moreover, a plurality of chips are arranged in one data processing device, so that the bandwidth of the data processing device is actually the sum of the bandwidths of the plurality of chips, the bandwidth of the data processing device is effectively improved under the condition that the bandwidth of the chips is fixed, and the data processing device is ensured to meet the business requirements.

The embodiment of the invention provides a data transmission method and device which are used for realizing full-path routing in a cluster during message transmission. The method is applied to a cluster, the cluster at least comprises a plurality of nodes which are directly connected, firstly, a first node obtains a first message, the first node is any node in the cluster, the first message carries information of a first target node, and the information of the first target node can comprise an identifier or an address of the first target node; then, the first node queries a forwarding port in a priority routing table based on the information of the first destination node, wherein the priority routing table comprises the relationship between the hop count of the first node and the first destination node and the port; and the first node forwards the first message through the forwarding port.

The application discloses an audio integrated network resource virtualization method, and belongs to the technical field of audio network resource management, and comprises the following steps: constructing a distributed virtual switching layer of a covering subnet, embedding a virtual switch instance into a kernel state network stack of each physical host in a cluster, and dynamically mapping cloud hosts in the subnet to the physical host group through a consistent hashing algorithm; when the cloud host sends an audio data packet, the source physical host virtual switch instance performs the following steps: extracting a DSCP field and marking it as EF, encapsulating through a GRE-over-UDP tunnel, and replacing a target MAC address with a virtual MAC address of a next-hop virtual switch instance; after the virtual switch instance of the target physical host is unpacked, the audio packet is delivered to the target cloud host based on a virtual port forwarding table. Through the distributed virtual switching layer and the consistent hashing mapping mechanism, the method realizes efficient virtualization transmission of audio data, supports QoS guarantee and low-delay transmission, and is suitable for audio network resource management in a large-scale cloud environment.

The present application relates to a kind of Ansible bulk forwarding control method and device, belong to forwarding control technical field, the method comprises: determining forwarding host;Firewall port forwarding rule task is issued to forwarding host for setting;Determine target host, join target host to Ansible host inventory, and write the dynamic of target host into Ansible hosts file;According to Ansible hosts file, issue Ansible task to target host.The present application supports client one-stop direct issuance of Ansible instruction, does not change the general configuration of Ansible client, without putting instruction to forwarding host execution, client does not need to listen to port, and the environment of issuance is convenient and controllable;Forwarding rule is flexible and controllable, can increase, can reduce, take effect immediately, without manual interactive operation;Through whitelist control, the network security of target host that cannot be directly connected on network link is maintained.

The application provides a resource allocation method and device, equipment and a storage medium, and relates to the technical field of communication. The method comprises the following steps: receiving a data stream message; when it is confirmed that the data stream message does not hit a flow table according to message information of the data stream message, then allocating a target index for the data stream message based on index resources in a hardware pool; determining a target IP address and a target port corresponding to the target index based on a pre-established correspondence between indexes and IP addresses and ports; updating the target index, the target IP address and the target port as new table entries to the flow table; and forwarding the data stream message according to the target IP address and the target port. Thus, the NAPT resource is quickly allocated, and the NAPT performance is improved.

A device, communication system, and method are provided. In one example, a system for routing traffic is described that includes circuits to receive a plurality of packets associated with a destination, determine a plurality of bins based on the destination of the packets, wherein each bin of the plurality of bins is associated with a respective port of the plurality of ports, and, for each packet of the plurality of packets, select a bin of the plurality of bins and forward the packet via the port associated with the selected bin. Described circuits also receive an adaptive routing notification packet via a first port associated with a first bin and in response associate the first bin with a second port and de-associate the first bin with the first port.

The invention provides a device upgrading method applied to an SRB system and a related device, and relates to the field of device upgrading. In the application, under the condition that the upgrade data message is received through the non-SRB communication port, the upgrade data message is forwarded to other equipment connected with the target equipment through each SRB communication port, and under the condition that the upgrade data message is received through the SRB communication port, the upgrade data message is forwarded to other equipment connected with the target equipment through each SRB communication port. And forwarding the upgrade data message to other equipment connected with the target equipment through the target communication port. The target communication ports are other ports except the port for receiving the upgrade data message in the SRB communication ports configured by the equipment. Through the forwarding mode of the upgrade data message, only the upgrade data message needs to be sent to one device in the SRB system, each device in the SRB system can receive the upgrade data message through the communication mode, the upgrade operation is completed, and the device upgrade efficiency is improved.

A management device includes a first authentication module configured to receive a first information and perform a first decision whether an administrator device is correct based on the first information; an authorization module configured to perform a second decision whether the administrator device includes an access right of a remote device when the first decision is yes and when a first request information for accessing the remote device is received; a communication module configured to transmit a second request information for establishing a link with a network device to the remote device when the second decision is yes and when it is decided to establish the link with the network device; and an integration module configured to transmit a third request information for setting a communication port forwarding to the network device when the second decision is yes.

A network security system provides portals which enable automatic creation of a dynamic one-time port forwarding rule for an authorized user's current IP address following two factor authentication of the authorized user. Such a dynamic one-time port forwarding rule is utilized to set up a connection, at which point the dynamic one-time port forwarding rule is removed, preventing any attacker from subsequently taking advantage of it. Such a methodology is advantageous as compared to conventional port forwarding in that it is much more secure. Such a methodology is advantageous as compared to traditional port forwarding with access control both in that a user does not always have to utilize the same device with a static IP address, and in that the port forwarding rule representing or exposing a potential vulnerability is deleted after a connection is established.

The invention discloses an intelligent CAN (Controller Area Network) bus star connection device and method simulating an Ethernet switch, which can avoid the work of configuring a terminal resistor for each node in a CAN bus network and frequently checking and confirming the connection and configuration of an end node and an intermediate node in a CAN bus communication system network during debugging by applying a device simulating the Ethernet switch. Software in the simulated Ethernet switch device can realize the functions of port number login, point-to-point switching, loopback type forwarding, one-to-multiple switching and the like by searching the received message frame ID value in the port forwarding table. According to the CAN bus star network simulating the Ethernet switch device, connection can be reestablished automatically when connection of nodes is changed, and fault diagnosis, isolation and positioning can be carried out quickly and conveniently through a disconnection method in CAN bus network debugging.

The application discloses a two-layer networking loop isolation method, device and readable medium. The two-layer networking loop isolation method comprises the following steps: constructing a two-layer Ethernet message header and a self-defined message field of a message, and sending the message after coding the self-defined message field; receiving the message, decoding and restoring the coded self-defined field, and detecting whether the MAC address of source port information in the self-defined field is consistent with the CPU MAC address+1 of the local machine; if yes, blocking the port according to the slot number and the port number in the source port information; and if not, coding the self-defined message field, and sending the message from other ports. The application can accurately detect the situation that the two ports of a switch are misconnected to form a loop or the situation that the network externally connected to a port of the switch is misconnected to form a loop, and can block the misconnected port of the switch or block a certain external port, so that the port and the loop are isolated.

The invention provides a method for avoiding storm generation in a redundancy discarding ring network, which comprises the following steps of: S1, configuring a mode of a port to be an SR port, namely, analyzing an SR message type; s2, configuring an SR attribute port, wherein unknown unicast and multicast traffic entering the port cannot be forwarded from the port; s3, identifying the SR message, and extracting smac information; s4, identifying the SR message, and extracting a seqnum field; s5, identifying the SR message, and extracting a netid field; and S6, recording smac, an incoming port and related information. According to the method for preventing the storm from being generated in the redundancy discarding ring network, the risk of storm generation is eliminated from the source through a four-layer precise discarding mechanism: firstly, through a redundancy discarding mechanism in the step S7, by taking smac + seqnum as a core judgment standard, only the first message with the same identifier is allowed to be forwarded within set time, and it is avoided that redundant messages are accumulated and occupy bandwidth;

Embodiments of the present application provide a message forwarding method and device of a server, a storage medium and an electronic device, wherein the method comprises: receiving a to-be-forwarded message by a virtual switch of the server, the to-be-forwarded message being an ARP message sent by a target virtual machine; in response to the received to-be-forwarded message, querying, by the virtual switch, a flow table item in an open flow table of the virtual switch that matches the to-be-forwarded message, the flow table item of the open flow table comprising a matching field for recording a matching condition of a message and an action field for recording a corresponding execution action; in the case that the target flow table item that matches the to-be-forwarded message is queried and an action target of a specified execution action recorded in the action field of the target flow table item is a plurality of member ports under an uplink aggregation port of the virtual switch, forwarding, by the virtual switch, the to-be-forwarded message to the plurality of member ports, the plurality of member ports being a plurality of physical network cards, and the plurality of physical network cards being connected to a plurality of switches.

This invention discloses an end-to-end slicing resource isolation and QoS guarantee method for 5G private networks, comprising the following steps: Two UPF network elements are set up in the 5G core network. One UPF network element is deployed as a central network element in the centralized control plane of the 5G core network for global management and policy control, while the other UPF network element is deployed as a downstream network element at the edge of the 5G core network for local data offloading. The central network element communicates data through a trunk port, and the downstream network element communicates data through a private access port. Several dynamic end-to-end slices are established in the 5G core network and on the user side, with each end-to-end slice allocated independent trunk ports and private access ports. TE-LSPs are deployed between adjacent routing nodes in the end-to-end slices. Data from the 5G core network is forwarded to the corresponding end-to-end slice through the trunk port and forwarded to the local user through the resource isolation channel and the private access port. This invention can overcome the shortcomings of existing technologies and improve the QoS level of network slices.

1. Name of the product in this design: Graphical User Interface for Cloud Platform Network Resource Management of Electronic Devices. 2. Intended use of this design: for use in an electronic device. 3. The key design features of this product are: the graphical user interface content that displays information. 4. The image or photo that best illustrates the design points: Interface change state diagram 2. 5. Purpose of the graphical user interface: This graphical user interface is used for cloud platform network resource management. The main view is the login interface for the cloud platform. In the main view, after the user enters their account and password, they click the "Login" button to enter the interface change state diagram 1, which displays the cloud platform homepage interface. In Interface Change State Diagram 1, when the user clicks the "Network Resources" button, they enter Interface Change State Diagram 2, which displays the Network Resource Management Interface. In the interface change state diagram 2, the user clicks the "VXLAN Pool" column on the left to enter the interface change state diagram 3, which displays the VXLAN Pool interface. In the interface change state diagram 3, the user clicks the "Public Network" column on the left to enter the interface change state diagram 4, which displays the public network interface. In the interface change state diagram 4, the user clicks the "Flat Network" column on the left to enter the interface change state diagram 5, which displays the flat network interface. In the interface change state diagram 5, the user clicks the "VPC Network" column on the left to enter the interface change state diagram 6, which displays the VPC network interface. In the interface change state diagram 6, the user clicks on the "VPC Router" column on the left to enter the interface change state diagram 7, which displays the VPC router interface. In the interface change state diagram 7, the user clicks the "Router Mirroring" column on the left to enter the interface change state diagram 8, which displays the router mirroring interface. In the interface change state diagram 8, the user clicks the "Firewall" bar on the left to enter the interface change state diagram 9, which displays the firewall interface. In the interface change state diagram 9, the user clicks the "Port Forwarding" column on the left to enter the interface change state diagram 10, which displays the port forwarding interface. In the interface change state diagram 10, the user clicks the "Load Balancing" column on the left to enter the interface change state diagram 11, which displays the load balancing interface.

This disclosure provides a message forwarding method, comprising: receiving a first message; determining a first Flowlet to which the first message belongs; determining a first forwarding port corresponding to the first Flowlet according to a routing table, wherein the routing table includes forwarding ports corresponding to each Flowlet of each data flow; in response to determining that the length of the first Flowlet is greater than a preset long Flowlet threshold, updating the first forwarding port in the routing table to a second forwarding port; and forwarding the first message through the second forwarding port. This disclosure also provides a network device, a computer-readable medium, and a computer program product.

The invention relates to a data message forwarding method, computer equipment, a storage medium and a program product. The data message forwarding method is applied to a network management node of a switched network, and comprises the following steps: acquiring a node connection relationship and a port connection relationship among all nodes in the switched network; based on the node connection relationship and the port connection relationship, establishing a mapping relationship between a receiving port of each node and a target port and a forwarding port corresponding to the receiving port, and obtaining a port forwarding mapping table; and configuring the port forwarding mapping table to each node for forwarding a data message. By adopting the method, the waste of network resources can be reduced.

The application provides a flow load balancing method and device, electronic equipment, storage medium and product, comprising: receiving a message; the message carries a flow identifier of an AI large model training data flow to which the message belongs; if the flow identifier or the corresponding out port of the flow identifier is not found in a forwarding record table, the message is forwarded from a target out port with the largest available bandwidth among out ports meeting transmission conditions of the data flow, so as to realize flow load balancing of the out port; and the aging time of the forwarding record table entry is set to cover an iteration cycle of the AI large model training. The application can select a suitable port to forward the data flow based on the real available bandwidth of the out port without dividing the data flow by time intervals, instead of measuring the bandwidth and queue size of the port in real time, thereby improving the accuracy of load measurement, the load balancing effect, avoiding network congestion caused by uneven flow load of the AI large model training, and improving the efficiency of resource matching of overall business flow.

The invention relates to the technical field of communication, and provides a multicast message forwarding method and device, MLAG equipment and a program product, the multicast message forwarding method and device are applied to the MLAG equipment in a cross-equipment link aggregation group MLAG network, the MLAG network further comprises opposite-end MLAG equipment, and the method comprises the following steps: when a fault of an aggregation group member port of the opposite-end MLAG equipment is detected, forwarding a multicast message to the opposite-end MLAG equipment; and clearing a preset exit category corresponding to a forwarding port in a multicast forwarding table entry matched with the multicast message to be forwarded forwarded by the opposite-end MLAG equipment in the MLAG equipment, so that the multicast message to be forwarded is forwarded through the forwarding port of the MLAG equipment. According to the method, the convergence group member port fault processing efficiency is improved, and the convergence group member port fault convergence time is shortened.

This invention discloses a data packet forwarding method, apparatus, virtual gateway device, medium, and system. The method, executed by the virtual gateway device, includes: receiving raw data packets sent by an intranet device through a downlink port; converting the raw data packets into target UDP packets in the kernel space and sending the target UDP packets to a TCP tunnel in the kernel space; converting the target UDP packets within the TCP tunnel into target TCP packets, wherein the peer address of the TCP tunnel is a designated aggregation server; converting the target TCP packets within the TCP tunnel into multiple TCP sub-packet streams, and forwarding the multiple TCP sub-packet streams to the aggregation server via multiple uplink ports through multiple sub-channels in the TCP tunnel. By adopting the above technical solution, it is possible to convert data packets into multiple TCP sub-packet streams in the kernel space of the virtual gateway for multi-link aggregation and forwarding of packets.

The application belongs to the technical field of computer networks, and particularly relates to a method, system, device and medium for on-demand access to intranet services, which comprises that a client host sends a service access request to a control node; the control node executes cooperative configuration according to the service access request: cooperates with a boundary host to configure a port forwarding running environment; cooperates with a boundary routing device to establish a temporary network address translation (NAT) rule; returns connection information to the client host for the client host to establish a forwarding tunnel to the routing device; and distributes routing configuration information to the host and a target host for the host and the target host to establish a routing reachable path. Finally, the client host accesses intranet services of the target host on demand through the forwarding tunnel and the routing path. The application dynamically coordinates SSH tunnel, temporary NAT and BGP routing leakage through a control plane, realizes on-demand, automatic construction and destruction of an access link, and significantly improves the efficiency of network operation and maintenance.

The invention discloses a POS terminal debugging system and method of a remote VPN network, and relates to the technical field of POS terminal debugging. The system comprises a forwarding terminal which comprises at least one communication port and is used for forwarding data received by the communication port to a platform through a network connection platform of a VPN SIM card, receiving data returned by the platform and forwarding the data through the communication port; the client is connected with the forwarding terminal through a communication port, establishes remote connection with the server, and is used for forwarding the data acquired by the communication port to the server and sending the data acquired by the remote connection to the forwarding terminal; and the server is connected with a payment terminal to be debugged through a local port, is connected with the client through a remote port, and is used for monitoring data of the local port and forwarding the data to the client, and monitoring data of the remote port and forwarding the data to the payment terminal. Through the forwarding terminal, the server program and the client program, remote development and debugging of the POS terminal for the VPN network are realized.

The utility model provides a U disk for starting, including U disk body still includes WiFi module: the WiFi module is arranged in the inside of U disk body for connecting LAN, still include a control terminal, control terminal is connected with the WiFi module, control terminal controls the WiFi module and LAN broadcast starting magic bag to LAN including target equipment inside through LAN. The utility model discloses can pass inbuilt WiFi module in U disk body, can pass the equipment in LAN and WAN IOT server communication of connecting, and IOT server plays the relay function, has solved the problem of public network IP resource shortage or unable to obtain public network IP and dynamic domain name resolution setting difficult. Spare setting port forwarding this professional and complex operation on the router, and the user only needs simple configuration U disk connection LAN, and the use convenience is improved obviously. Avoid the data loss or computer damage risk caused by the accidental closing of the intelligent socket, and the security is higher.

A network edge device configured to perform a method for controlling access to services in a network, the network including at least one device configured to provide a service, the service being associated with a port is provided. The method involves performing a port identification scan on the network to generate port data representing the service and the port; obtaining port vulnerability data; generating a port vulnerability score for the port based on the port data and the port vulnerability data; obtaining a threshold port vulnerability score; and controlling access to the port in dependence on a comparison of the port vulnerability score with the threshold port vulnerability score.

This application provides a method and apparatus for port statistics. The port statistics method, applied to an ultra-low latency switch, includes: copying each Ethernet data packet forwarded by each port to be counted to a mapped statistics chip port; periodically polling and reading the number of received copied Ethernet data packets recorded by the port hardware counter of each statistics chip port, and updating the current received packet software count value of each statistics chip port; calculating the received packet rate of each statistics chip port in each period based on the difference between the previous received packet software count value and the current received packet software count value; calculating the packet forwarding rate of each mapped port to be counted in each period based on the packet receiving rate of each statistics chip port in each period; and updating the current received packet software count value of each statistics chip port to the previous received packet software count value.