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43results about How to "Improve data forwarding performance" patented technology

IP address configuration and mobile detection method for mobile IP

ActiveCN101127727ALatency for Simplified ConfigurationResolve address conflictsData switching by path configurationNetwork data managementIp addressIp prefix
The utility model discloses an IP address configuring and mobile detecting method for the mobile IP, comprising the following steps, a piece of access equipment gets an IP prefix and a corresponding access area identification list; a terminal gets the IP prefix of each access device and the corresponding access area identification list, the terminal gets an IP address which can be used according to the IP prefix and the access area identification list; regarding to each IP prefix, terminal gets the IP address which can be used according to the IP prefixes, tests the IP address repeatedly and sets up and stores the corresponding relationship between the IP address which are repeatedly inspected and the access area identification list. The terminal is state or stateless.
Owner:DATANG MOBILE COMM EQUIP CO LTD

High-performance route forwarding method in cloud computing

ActiveCN108737272AReduce loadReduce the probability of a single point of failureData switching networksRouting decisionRouting table
The invention provides a high-performance route forwarding method in cloud computing, relating to the field of network simulation. To solve a performance problem of cross-subnet data communication ina virtual network in a current Openstack host machine, the invention provides an SDN-based route control platform, a route table in a virtual network topology is mapped to a flow table in real time bybuilding a route decision layer and a data forwarding layer, consequently, forwarding of three layers of network data is controlled by a virtual route topology in the route decision layer, but an Openflow switch directly forwards a data packet. Further, a virtual network topology monitor module is designed to monitor route hop count of nodes in real time, guaranteeing forwarding fidelity of threelayers of network data packets and improving the performance of the virtual network. Creation of a typical network topological scene proves that the method is effective.
Owner:无锡数据运营有限公司

Service function chaining (SFC) processing method and device

ActiveCN104954245ASolve the problem of forwarding failureIncrease success rateHybrid transportForwarding planeBusiness function
Disclosed are a service function chaining (SFC) processing method and device, the method comprising: the SFC receives a packet sent by a forwarding device; the SFC generates a forwarding table corresponding to the packet; the SFC sends the forwarding table to the forwarding device when the preset issuing switch status of the forwarding table is on, so that the forwarding device forwards the packet according to the forwarding table after receiving the packet, the issuing switch of the forwarding table being used to instruct the SFC whether to send the forwarding table to the forwarding device. The present invention improves the success rate of SFC forwarding data.
Owner:ZTE CORP

Data transmission method and system

The invention discloses a data transmission method applied to a network of which an identity identifier is separated from a location identifier. The data transmission method comprises the following steps that: a source terminal sends a first packet to a source access support node (ASN) and takes an access identifier (AID) of the source terminal and an AID of a destination terminal as a source address and a destination address of the first packet respectively; after the first packet is received, if a routing identifier (RID) which corresponds to the AID of the destination terminal is not locally queried, the source ASN takes the first packet as a payload packet by adopting a generic routing encapsulation (GRE) form and encapsulates the payload packet added with a GRE packet header and a transmission protocol packet header as a second packet; and the source ASN sends the second packet to a mapping forwarding plane, which queries the RID corresponding to the AID of the destination terminal and sends the first packet to a destination ASN according to the queried RID.
Owner:ZTE CORP

Data forwarding method and device thereof, storage medium and network card equipment

InactiveCN108924050AImprove data forwarding performanceReduce complexityData switching networksComputer terminalNetwork data
The invention relates to the field of the communication, and discloses a data forwarding method and device thereof, a storage medium and network card equipment. The data forwarding method comprises the following steps: receiving a connection header message of to-be-forwarded data forwarded by the network card equipment; acquiring a source address and a destination address in the connection headermessage; determining a forwarding rule corresponding to the source address according to the acquired source address and destination address; sending the forwarding rule to the network card equipment,thereby enabling the network card equipment to directly forward the subsequent message of the to-be-forwarded from the first terminal to the second terminal according to the forwarding rule after a data transmission relation is established between the first terminal corresponding to the source address and the second terminal corresponding to the destination address. The network data forwarding with a firewall function is realized through the software and hardware combination way, the complexity of realizing the technology only based on the software is reduced, and the network data forwarding performance under the cloud computation environment is improved.
Owner:UCLOUD TECH CO LTD

Method and device for accessing external network

InactiveCN102404417AImprove data forwarding performanceRich service access typesData switching by path configurationServer-sideLocal area network
The embodiment of the invention discloses a method and a device for accessing an external network, which are used for local area network (LAN) side equipment of a dynamic host configuration protocol (DHCP) server of customer premise equipment (CPE) to access an external wide area network (WAN) through an intranet address without a network address translation (NAT) function. The method disclosed by the embodiment of the invention comprises the following steps of: generating a new NAT rule according to target port information and internet protocol unnumber (IP-U) address information, wherein the target port information and the IP-U address information are added into a NAT rule; inquiring whether a port corresponding to the LAN side equipment starts an IP-U function or not according to a received request message sent by the LAN side equipment, if the port starts the IP-U function, allocating an IP address in an IP-U address pool to the LAN side equipment, otherwise, allocating an IP address on the same network segment with the IP address in the IP-U address pool to the LAN side equipment; and forwarding data messages from the LAN side equipment and WAN side equipment according to the new NAT rule and the distributed IP address.
Owner:SHENZHEN GONGJIN ELECTRONICS CO LTD

Message forwarding control method for communication network equipment, and communication network equipment

The embodiment of the invention provides a message forwarding control method for communication network equipment, and the communication network equipment. The method comprises the steps: learning the MAC address of equipment hung under each port in advance through a central processing unit; obtaining an MAC address forwarding table; enabling each port processing unit to obtain the MAC address forwarding table from the central processing unit; obtaining a target MAC address through the analysis of a message during the message forwarding, and querying and obtaining a corresponding port number according to the target MAC address and the VLAN identification of the ports; carrying out the message forwarding according to the port numbers. When the port processing units are used for the message forwarding, the method can achieve the querying of the corresponding port number through the extracted target MAC address and the corresponding VLAN identification, and achieves the unicast forwarding of a message according to the port number, thereby achieving the mutual updating and learning of the MAC addresses of the equipment of all ports, effectively avoiding the broadcast flooding, caused by the missing of the target MAC address, of the messages in a switch chip, and improving the data forwarding performance of equipment.
Owner:ZTE CORP

Method for improving data forwarding performance, electronic equipment and storage medium

The invention discloses a method for improving data forwarding performance. The method comprises the following steps: obtaining a hash value corresponding to a data message according to analyzed data;searching and matching in a hash chain table according to the hash value obtained by calculation, judging whether matching succeeds or not, if yes, executing message sending, and if not, executing recording; querying corresponding address information in the hash chain table through the hash value, and performing message assembly according to the obtained address information to send out the packaged message from the opposite end Ethernet port; and processing the data message according to the protocol stack processing flow and inserting the data message into the hash chain table. The inventionfurther discloses electronic equipment and a computer readable storage medium. According to the method for improving the data forwarding performance, the messages of the same type are recorded for thefirst time, the subsequent messages are directly packaged into the forwarding packet, a protocol stack processing flow is not needed, the message processing of a CPU is reduced, the utilization rateof the CPU is reduced, and the forwarding efficiency is improved.
Owner:广州市高科通信技术股份有限公司

Data forwarding method and device based on social similarity and individual centrality of nodes

ActiveCN107801226AImprove data delivery rateReliable guarantee of application service continuityData switching networksHigh level techniquesThe InternetLow delay
Embodiments of the invention provide a data forwarding method and device based on social similarity and individual centrality of nodes. The method is applied to Internet of Things and the Internet ofThings comprises a plurality of mobile nodes. The method comprises the steps that a current mobile node uses a law of universal gravitation to determine a next-hop mobile node; the individual centrality values of the current mobile node and the next-hop mobile node respectively represent the mass in the law of universal gravitation; a social similarity value between the current mobile node and thenext-hop mobile node represents a distance in the law of universal gravitation; the individual centrality value and the social similarity value are determined based on the meeting frequency and the similarity between the current mobile node and the next-hop mobile node; and the current mobile node transmits to-be-forwarded data to the next-hop mobile node. According to the embodiments of the invention, the data forwarding performance is improved, so that the Internet of Things has a high data delivery rate, low delay, low message transmission average hop count, low message transmission failure rate and low energy consumption in application.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Method for realizing network address conversion

Rational divisions of operations are carried out for each operation needed for converting network address. The said task is accomplished by CPRC and SDP in C5 network processor respectively. That is to say CPRC module does following operations: determining address information in message needed to convert; calculating difference value of address information needed to convert; looking-up table to make sure converted address information. SDP module does following operations: calculating value of check sum of address information with message being converted; converting address information of message, and sending out message. The invention raises efficiency for converting network address providing base for fast forwarding message needed to convert network address.
Owner:HUAWEI TECH CO LTD

Data transmission method and system thereof

The invention discloses a data transmission method, which is applied in network with separated identity identification and positioning identification. The data transmission method comprises the following steps: a source access support node (ASN) receives a source data packet sent by a source terminal, then adds an extension header for the source data packet so as to package the source data packet into an extension data packet; a field is set in the extension data packet to record the sequence number of the source data packet; and the source ASN sends the extension data packet to a destination ASN by a backbone network. In the invention, the source ASN packages sequence number information in a generic routing encapsulation (GRE) header so as to show a time sequence of the data packet received by the destination ASN; and the destination ASN can judge whether a disordered sequence occurs on a transmission path according to the sequence number, if so, the destination ASN can perfrom sequencing processing according to the increasing characteristic of the sequence number, eliminate the disordered sequence occurring on the transmission path and guarantee that the sequence of messages sent to a destination terminal is consistent to that of messages of the source terminal, therefore, the transmission quality is improved.
Owner:ZTE CORP

Method and system for controlling gateway mode, SDN controller and access equipment

ActiveCN108881013AGuaranteed forwarding processImprove data forwarding performanceNetwork connectionsTraffic capacityTTEthernet
The invention provides a method and system for controlling a gateway mode, an SDN controller and access equipment, and relates to the technical field of the internet. The SDN controller is used for monitoring upper limit alarm information and alarm release information of access equipment; If the upper limit alarm information is received, the three-layer forwarding configuration information of a virtual router on the access equipment is transferred to a border gateway, so that the access equipment is switched from a gateway mode to a non-gateway mode; and if the alarm release information is received, the three-layer forwarding configuration information of the virtual router corresponding to the access equipment is restored from the border gateway to the access equipment so as to enable theaccess equipment to switch from the non-gateway mode to the gateway mode. Through the above technology, the forwarding process of three-layer cross-network segment traffic is effectively guaranteed, and the overall data forwarding performance is improved.
Owner:XINHUASAN INFORMATION TECH CO LTD

System and method for optimizing data forwarding performance of NFV

InactiveCN108377205AImprove data forwarding performanceReduce loadData switching networksOperating systemHardware acceleration
The invention relates to a system and a method for optimizing data forwarding performance of NFV. The system comprises hardware accelerator equipment, wherein a Qos function module is arranged in thehardware accelerator equipment, and the NFV generates Qos parameters through the Qos function module, so that the Qos function of the NFV is achieved. Through adoption of the system and method for optimizing the data forwarding performance of the NFV, the hardware accelerator is added, and the Qos is sunk into the hardware accelerator, so that the influence of the Qos function on the performance of a DP layer is reduced. A CP layer issues Qos configuration parameters to the hardware accelerator equipment, and the hardware accelerator realizes the Qos function according to the configuration parameters. Due to the fact that the forwarding performance of the hardware accelerator is superior to the forwarding performance of a CPU, the data forwarding performance of the NFV is integrally improved, and meanwhile, due to the fact that the Qos function is not realized through the DP layer, the load of the DP layer is reduced.
Owner:CERTUS NETWORK TECHNANJING

Method for implementing horizontal split

The invention discloses a method for realizing split horizon. An entry sub-module of distribution-typed network equipment in the core network sends the entry attributes and the content of an unknown address data packet to a forwarding matrix sub-module of the distribution-typed network equipment, and the unknown address data packet is a data packet which is received from the interface connected with the equipment of other core networks; after the forwarding matrix sub-module receives the entry attributes and the content of the unknown address data packet, the entry attributes of the unknown address data packet is compared with the exit attributes of an exit sub-module of the distribution-typed network equipment, if the attributes are same, the content of the unknown address data packet is not forwarded to the exit sub-module; otherwise, the content of the unknown address data packet is forwarded to the exit sub-module. The method reduces the times that the forwarding matrix sub-module copies and forwards the unknown address data packet and improves the data processing capability of the forwarding matrix sub-module.
Owner:乔秀兰

An Ethernet-oriented self-adaptive dynamic flow control system and an Ethernet-oriented self-adaptive dynamic flow control method

ActiveCN109861921ASimplify functional designImprove conversion efficiency and data forwarding capabilitiesData switching networksSelf adaptiveBandwidth utilization
The invention discloses an Ethernet-oriented self-adaptive dynamic flow control system and an Ethernet-oriented self-adaptive dynamic flow control method, and belongs to the technical field of data communication. The Ethernet-oriented self-adaptive dynamic flow control system comprises a high-speed protocol processing module, a high-speed data caching module, a checking and generating module, a sending control module and a 40G Ethernet MAC module which are sequentially connected, and the 40G Ethernet MAC module is connected with opposite-end network equipment; Wherein the check and generationmodule comprises a UDP protocol packet header packaging module, an IP protocol packet header packaging module and a ping-pong cache FIFO which are sequentially connected, and the ping-pong cache FIFOis connected with the sending control module. By adopting the state monitoring algorithm and the flow control method, the frame length and the frame interval of the sent data are automatically determined, the sending data filling process is adaptively started, paused and ended, and the 40G Ethernet sending bandwidth utilization maximization is realized.
Owner:XIAN MICROELECTRONICS TECH INST

Network testing method and device, network equipment and computer readable storage medium

ActiveCN119520345Areduce conflictEnsure normal sending and receivingTransmissionTimestampingTest response
The embodiment of the invention provides a network testing method and device, network equipment and a computer readable storage medium, and relates to the technical field of communication. Acquiring a test response message sent by the second network equipment; the test response message is a response message corresponding to a test request message sent by the first network device to the second network device for any session; under the condition of determining that the UDP port number of the session based on the TWAMP Light is set as a fixed port number, acquiring a session ID from the test response message; and determining a target session corresponding to the test response message from the plurality of sessions according to the session ID, and determining a test result corresponding to the target session according to the timestamp information corresponding to the test response message. According to the method, occupation of UDP port resources can be reduced, conflicts of UDP port numbers are relieved, so that normal receiving and sending of test messages are guaranteed, the accuracy of test results is improved, matching time consumption is reduced, and the overall data forwarding performance of the test is improved.
Owner:MAIPU COMM TECH CO LTD

Video on demand method and apparatus

ActiveCN108322368AImprove data forwarding performanceGive full play to data forwarding capabilitiesNetworks interconnectionSelective content distributionResource poolComputer graphics (images)
The invention provides a video on demand method and apparatus. In the invention, the user authentication is handled by vBRAS in a vBRAS resource pool managed by the vBRASSO, the high control processing capability of the vBRAS resource pool is fully used, the video-on-demand stream of the user is handled by a POP switch, thus giving full play to the original high data forwarding capability of the POP switch, so that the control and forwarding are separate, and the high-performance processing of video-on-demand stream is improved.
Owner:NEW H3C TECH CO LTD

Method and device for providing service for outside of container and electronic equipment

ActiveCN111327647AShorten the data forwarding pathImprove data forwarding performanceTransmissionIp addressEngineering
The embodiment of the invention provides a method and device for providing service for the outside of a container and electronic equipment, and the method comprises the steps: obtaining an access request of a client, and enabling the access request to comprise a source IP address; searching a container corresponding to the source IP address in a pre-stored access request distribution path table toserve as a target container; if the target container corresponding to the source IP address is found, obtaining address information of the target container from a pre-stored container information list; and sending the access request to the target container based on the address information. According to the embodiment of the invention, the target container corresponding to the source IP address can be determined directly through the pre-stored access request distribution path table, and the access request is directly sent to the target container based on the address information of the target container in the pre-stored container information list, so that the data forwarding path is shortened, and the data forwarding efficiency is improved.
Owner:BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD +1

A method, system, device and storage medium for sharing real-time data of power grid

ActiveCN115484271Breduce workloadDoes not affect stand-alone operationDigital computer detailsTransmissionData streamReal-time data
The present application aims to provide a method, system, device and storage medium for sharing real-time data of power grid, and the method includes setting a mirror observation port on the first master station, so that the data flow received by the first master station from the substation is output through the mirror observation port; configuring the first network card module, so that the first network card module receives and forwards the data flow output by the mirror observation port; configuring the second network card module, so that the second network card module communicates with the first network card module, and obtains the data flow output by the mirror observation port; making the second network card module automatically clone the network card information of the substation, and the mirrored virtual network card and the second master station realize handshake connection; making the mirrored virtual network card communicate with the second master station, and adjusting the data transmission question and answer rhythm between the virtual network card and the second master station, until the virtual network card can smoothly send the acquired data flow to the second master station. The problem of heavy workload of the real-time data sharing method of the power system network is solved. The present application has the effect of reducing the workload of data sharing.
Owner:任志翔

Video on demand method and device

ActiveCN108322368BImprove data forwarding performanceGive full play to data forwarding capabilitiesNetworks interconnectionSelective content distributionResource poolS-Video
This application provides a video on demand method and device. In this application, user authentication is handled by the vBRAS in the vBRAS resource pool managed by vBRASSO, making full use of the high control processing capability of the vBRAS resource pool, and the user's video-on-demand stream is processed by the POP switch, which fully utilizes the original POP switch. With high data forwarding capability, the separation of control and forwarding improves the high-performance processing of video-on-demand streams.
Owner:NEW H3C TECH CO LTD

Method and device for controlling update of token bucket

ActiveCN101841461BReduce occupancyImprove data forwarding performanceData switching networksByteComputer science
The invention discloses a method and a device for controlling the update of a token bucket, which are applied to the technical field of networks. The method comprises the following steps of: acquiring a byte count in a message to be transmitted and updating an aggregate value by utilizing an algebraic sum of the byte count and the saved aggregate value; and comparing the updated aggregate value with a preset byte count update threshold value, and if the aggregate value is greater than the byte count update threshold value, updating the token bucket of a channel and clearing the aggregate value. The method and the device provided by the embodiment of the invention can effectively reduce token updating frequency to further reduce the occupation of a network equipment processor on the premise of not influencing conventional bandwidth control accuracy.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD

User-mode stack architecture system supporting TSN protocol under Tianmai operating system and implementation method thereof

ActiveCN118524157BImprove data throughputimprove performanceTransmissionData streamRouting table
The present invention provides a user-mode stack architecture system supporting TSN protocol under Tianmai operating system and its implementation method, the protocol stack system includes an API module, a management module for deployment management of the protocol stack, an FD module for socket management, a TSN scheduling module, a data cache module, a packet receiving and sending module, a table entry management module and an OPS interface module. The user-mode protocol stack architecture supporting TSN protocol under Tianmai operating system proposed by the present invention greatly improves data forwarding performance by reducing memory copying, and expands the support of TSN services to meet the differentiated QoS requirements of users, so as to better support the requirements of TSN services on the software system side; at the same time, in order to maximize the efficiency of resource utilization, the user-mode protocol stack and the kernel protocol stack share resources such as ARP table items and routing table items, and complete the shaping and sending and receiving of TSN key data streams on the software side through the TSN scheduling module, thereby reducing the delay and jitter on the software side.
Owner:NANJING QUANXIN CABLE TECH

An Ethernet-Oriented Adaptive Dynamic Flow Control Method

ActiveCN109861921BImprove conversion efficiencyImprove data forwarding performanceTransmissionChecksumEngineering
The invention discloses an Ethernet-oriented adaptive dynamic flow control system and method, belonging to the technical field of data communication. Ethernet MAC module, the 40G Ethernet MAC module is connected to the peer network device; the checksum generation module includes a UDP protocol packet header encapsulation module, an IP protocol packet header encapsulation module and a ping-pong cache FIFO, which are connected in sequence, and a ping-pong cache FIFO and a transmission control module connect. By adopting the state monitoring algorithm and flow control method, the frame length and frame interval of the transmitted data are automatically determined, and the filling process of the transmitted data is adaptively started, paused, and terminated, so as to maximize the utilization of the transmission bandwidth of 40G Ethernet.
Owner:XIAN MICROELECTRONICS TECH INST

Multi-processing unit route system

The present invention proposes a multi-processing unit routing system, including multiple processing units, a virtual routing kernel and a resource allocation / reservation control management module; the virtual routing kernel is connected to each processing unit through a data channel; the processing unit includes a service module and forwarding module; the resource allocation / reservation control management module is connected to each processing unit, responsible for the allocation, recycling, reservation and other control and management of resources required by different data forwarding classes, and establishes the corresponding export mapping relationship, And distribute the corresponding relationship between the forwarding class and the export to each processing unit; the present invention makes full use of the processing performance of each processing unit to avoid data exchange bottlenecks; ensure the reliable transmission of data between each processing unit inside the device; due to the The interface of the routing system of the multi-processing unit adopts a global description, so that the system can perform one-time routing for data forwarding and forward it immediately, and there is no need to centrally forward data by a certain processing unit.
Owner:BEIJING ELECTRIC POWER ECONOMIC RES INST +1

A high-performance routing and forwarding method in cloud computing

ActiveCN108737272BReduce loadReduce the probability of a single point of failureData switching networksData packRouting table
The invention provides a high-performance routing and forwarding method in cloud computing, which relates to the field of network simulation. In order to solve the performance problem of cross-subnet data communication in the virtual network in the current Openstack host, a routing control platform based on SDN is proposed. table, so that the data forwarding of the three-layer network is controlled by the virtual routing topology in the routing decision layer, but the data packets are directly forwarded through the Openflow switch. At the same time, a virtual network topology monitoring module is designed to monitor the change of routing hops between nodes in real time, which improves the performance of virtual network while ensuring the fidelity of data packet forwarding in the three-layer network. And the validity of the present invention is verified by constructing a typical network topology scenario.
Owner:无锡数据运营有限公司

Network data transmission method and system based on NFV, and storage medium

PendingCN114884911AAvoid packet lossSolve the technical problem of low data forwarding performanceNetworks interconnectionData packVirtualization
The invention discloses an NFV (Network Function Virtualization)-based network data transmission method and system and a storage medium. The method comprises the steps that the number of communication connections of original network data to be transmitted by a client is acquired, and the number of communication connections is used for representing the number of communication connections which need to be established with a network function virtualization (NFV) network element node before gateway equipment connected with the client transmits the original network data to the NFV network element node; if the connection number of the communication data is greater than the communication connection number threshold value, packaging the original network data at least based on the first packaging data to obtain a network data packet, the network data packet at least comprising the first packaging data and the original network data, the first encapsulation data is used for enabling a virtual private cloud VPC server to forbid recognition of the original network data; and transmitting the network data packet to an NFV network element node through the VPC server, the NFV network element node being used for transmitting the original network data. According to the invention, the technical problem of low data forwarding performance of the network element node is solved.
Owner:ALIBABA CLOUD COMPUTING LTD

Data forwarding method and device based on node social similarity and individual centrality

ActiveCN107801226BImprove data delivery rateReliable guarantee of application service continuityData switching networksHigh level techniquesMessage deliveryData transport
Embodiments of the present invention provide a data forwarding method and device based on node social similarity and individual centrality. The method is applied to the Internet of Things, and the Internet of Things includes multiple mobile nodes; the method includes: the current mobile node uses the law of universal gravitation to determine the next-hop mobile node; the individual centrality values ​​of the current mobile node and the next-hop mobile node represent respectively The quality in the law of gravity; the social similarity value between the current mobile node and the next-hop mobile node represents the distance in the law of gravity; the individual centrality value and the social similarity value are based on the distance between the current mobile node and the next-hop mobile node The encounter frequency and proximity are determined; the current mobile node transmits the data to be forwarded to the next-hop mobile node. Therefore, the embodiment of the present invention improves the data forwarding performance, so that the Internet of Things has the effects of high data delivery rate, low delay, less average hops in message delivery, low message delivery failure rate, and low energy consumption in the application.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Data packet transmission method and electronic equipment

The invention discloses a data packet transmission method and electronic equipment, and the method comprises the steps that a transmission layer packages application data of an application program into a first message according to a path of a target route corresponding to a virtual network card, the first message is stored in a shared memory, and the shared memory is a memory in a kernel mode. And the VPN service reads the first message from a shared memory, wherein the shared memory is set to allow the service operation in the user mode. And the VPN service processes the first message to obtain a second message, and sends the second message to the network layer. And the network layer processes the second message to obtain a first data packet, and sends the first data packet to a VPN server corresponding to the VPN service through a physical network card. Therefore, in the process, the VPN service reads the message from the shared memory in the kernel mode according to the sharing mechanism, and only needs to undergo transmission layer processing and network layer processing once, so that redundancy processing is reduced, power consumption is reduced, memory occupation is reduced, and data forwarding performance is improved.
Owner:HUAWEI TECH CO LTD

Method for realizing network address conversion

The invention relates to a method for realizing network address translation. This method is to reasonably divide the various tasks required for network address translation, and complete them respectively by CPRC and SDP in the C5 network processor, that is, to determine the address information that needs to be converted in the message and the calculation needs in the CPRC module. The difference value of the converted address information, and look up the table to determine the converted address information. In the SDP module, the calculation of the checksum value of the converted address information of the message, the conversion of the address information of the message, and the report The text is forwarded. The invention can improve the efficiency of network address translation, and provides a basis for wire-speed forwarding of messages based on network address translation in a network communication system.
Owner:HUAWEI TECH CO LTD