32results about How to "Guaranteed forwarding performance" patented technology

The invention relates to an abnormal message determination method and device. The abnormal message determination method is applied to network equipment, and comprises the following steps: if the abnormal message number is changed, determining a duration threshold according to the changed abnormal message number, wherein the abnormal message number is the number of the abnormal messages; receivingmessages, and determining processing durations of the messages according to the time when starting to process the messages and the time when the processing of the messages is finished; and determininga message whose processing duration is greater than the duration threshold as an abnormal message. According to the abnormal message determination method and the device provided by the invention, theduration threshold used for determining the abnormal messages in network equipment can be dynamically adjusted according to the abnormal message number, so that the abnormal messages that exist in anetwork and cause problems to the network equipment can not only be determined, but also the forwarding performance of the network equipment can be guaranteed, thereby improving the maintainability ofthe network equipment.

The embodiment of the present disclosure discloses a data request processing method, device and computer-readable storage medium. The method is applied to a traffic forwarding device, and the method includes: receiving a data request whose destination domain name is the domain name of the traffic forwarding device; wherein, the data request also stores a target domain name in a designated area, and the target domain name is different from the domain name of the traffic forwarding device; according to Preset the list of domain names to verify the target domain name; if the verification of the target domain name is passed, update the target domain name of the data request to the target domain name; forward the updated data request of the target domain name. The embodiment of the present disclosure does not need to apply for a dedicated path for each server in the backend service system, which is very convenient to implement, can avoid path conflicts, and is also conducive to ensuring traffic forwarding performance.

A traffic forwarding method based on a virtual switch cluster is described. The method includes setting an aggregation group member list to store information about all the members of an aggregation group; setting an aggregation group traffic forwarding member list to store information of aggregation group members for forwarding traffic, wherein the list in an initial state only containing information about local members of the aggregation group; and when it is determined that traffic of a physical device exceeds the total bandwidth of the members in the aggregation group traffic forwarding member list or a threshold value related to the total bandwidth, selecting a nonlocal member from the aggregation group member list and adding the same into the aggregation group traffic forwarding member list, and forwarding traffic according to the changed aggregation group traffic forwarding member list. A traffic forwarding system based on a virtual switch cluster is also described. The disclosure can implement traffic forwarding in a virtual switch cluster scene on the premise of occupying limited bandwidth of a stack link as small as possible, thereby ensuring the traffic forwarding performance in the virtual switch cluster scene.

The invention relates to a method and a system for processing data packet loss, a readable storage medium and electronic equipment. The method includes acquiring current running locations of data forwarding processes when data packet forwarding fails in the data forwarding processes under the condition that data packet loss statistics modes are started; updating storage contents in statistical information storage regions according to the current running locations; releasing data packets which fail to be forwarded. The statistical information storage regions are used for storing running locations of the data forwarding processes whenever data packet forwarding fails and the frequencies of data packet forwarding failure at the running locations. According to the technical scheme, the method,the system, the readable storage medium and the electronic equipment have the advantages that workload on technicians can be effectively relieved, and data packet loss statistics can be carried out on the data packets which fail to be forwarded without modification on other codes after business logics are modified; the forwarding performance of data forwarding processes can be guaranteed, and thestability of the data forwarding processes can be improved.

This invention discloses a method for setting up label switch path of MIPLS VPN tunnel including: a label switch router LSR in a network determines the forward equivalence FEC corresponding to the destination IP address of the MPLS VPN tunnel to distribute label to it firstly and set up a binding relation between the FEC and the distributed label and notifies the binding relation with the prior label to its upper reach LSR, which receives the binding relation notified by the lower reach LSR to process the binding relation with the prior label priorly. This invention also discloses a LSP set-up system and a device of the MPLS VPN tunnel.

The present application provides a message forwarding method and network equipment. The message forwarding method is applied to a network device, and the network device includes a CPU and at least two interface boards. The method includes: the CPU obtains the forwarding entry resource of each interface board; When posting an item, if it is detected that the first interface board no longer has idle forwarding table item resources, an ACL entry is generated based on the forwarding table item and sent to the first interface board, and the ACL entry is used to indicate the destination IP The packet whose address matches the IP address in the forwarding entry is forwarded to the second interface board, and the second interface board has idle forwarding entry resources. This application can achieve the effect that in the case of different sizes of forwarding table item resources of multiple interface boards, even if the interface board with smaller forwarding table item resources no longer has idle forwarding table item resources, the effect of normal forwarding of messages can still be guaranteed.

The invention discloses an event-triggered satellite routing load balancing method. The specific implementation steps are as follows: when the satellite routes the received data packets, firstly perceive the change of the on-off state of the inter-satellite link in the whole network pre-saved by the satellite , to trigger the update of the routing table, and generate the routing table with the shortest and second shortest paths; When the heavy load is not available, the overload link information is flooded to the whole network, triggering other satellites in the whole network to update the route; finally, the next hop is determined for the data packets received by the satellite through the detour next hop strategy. The invention effectively saves the storage space, and can balance the network load according to the change of the link state, and deal with the overloaded link in time.

The embodiment of the invention discloses a private network application identification system, method, SDN controller, and P equipment, relates to the field of data communication, and realizes visualization of private network application traffic in a service provider network. The system includes at least a P device and an SDN controller, wherein the SDN controller is configured to receive from the P device the egress PE device address corresponding to the MPLS message and the egress PE device allocation in the MPLS message compare the received address of the egress PE device and the VPN label assigned by the egress PE device with the pre-acquired PE device address, the corresponding relationship between the VPN label assigned by the PE device and the VPN, and determine The VPN corresponding to the MPLS message, and determine the private network application corresponding to the MPLS message in combination with the message feature information.

This application provides a method and device for updating a MAC address table, which are applied to network devices, including: when the device is an edge device, if it is determined that the network topology changes, the local MAC address table is not cleared; The IP address and the MAC address of the terminal device connected to the port construct a gratuitous ARP message; send the gratuitous ARP message through the non-edge port; when receiving the gratuitous ARP message sent by other edge devices, based on the gratuitous ARP message The document updates the MAC address table. The technical scheme of the present application can avoid long-term forwarding interruption among hosts in the network, and optimize the forwarding performance of network equipment.

The embodiment of the present invention discloses a data packet processing method, controller and system. The method includes: the controller receives a data packet reported by a switch that does not match a forwarding rule; after determining that the type of the data packet is a broadcast data packet, Generate a forwarding rule for the data packet, the forwarding rule includes an action attribute of discarding; send the forwarding rule of the data packet to the switch, so that when the switch receives the data packet again, according to the forwarding rule The action attribute discards the packet. Because the present invention does not need to shield the ports of the switch, it can avoid the broadcast storm in the network, so for the fully connected network, the forwarding capability of the port and the number of available transmission links in the network are guaranteed, and the transmission in the network is correspondingly improved. link utilization.

The present disclosure relates to a tunnel message authentication forwarding method and system, the method comprising: the current forwarding CPU decapsulates the received preset type of tunnel message to obtain the decapsulated message; when the decapsulated message is not When authenticating a message, the current forwarding CPU queries the session table created in the system according to the decapsulated message; when the current forwarding CPU does not query the session table corresponding to the decapsulated message, the current forwarding CPU queries authentication table to determine whether a session entry can be created for the decapsulated packet; when it is determined that a session entry can be created for the decapsulated packet, the target forwarding CPU Create a session entry in the session table, and forward the decapsulated packet based on the session entry. Through the above technical solution, it is possible to effectively reduce the switching between CPUs, and also effectively reduce the amount of data maintenance, and improve the forwarding performance of the system.

In the present invention, in the IPSec VPN that needs multi-party sessions, by dividing all nodes that need to be connected into key nodes and general nodes, and setting their affiliation, when initiating a multi-party session, the key nodes are forwarded, so that the data Passed between nodes participating in a multiparty session in a secure manner. The invention does not need to use any additional protocol, does not need to repackage and pack the data packets to be sent, and realizes multi-party conversation. Through the establishment of key nodes, it is only necessary to ensure the forwarding performance of key nodes, that is, to achieve multi-party secure connections to other general nodes, so that application environments such as enterprises can obtain efficient and economical operating modes.

A method and device for VPWS messages to traverse a three-layer IP network, consisting of a control plane and a forwarding plane, with a multi-core CPU as the core of the control plane, running multiple control plane protocols such as routing protocols, LDP protocols, GRE protocols, and ARP protocols, and The various table items needed to generate the forwarding plane to process data packets include routing tables, MPLS label tables, GRE session tables, and ARP tables; the forwarding plane is implemented by switching chips and FPGAs, which cooperate with each other to process VPWS data packets, and switching chips Responsible for receiving data packets, after corresponding processing, send the data packets to the FPGA, FPGA processes the data packets and then sends them to the switch chip, and the switch chip performs final processing on the data packets and sends them out; the present invention uses the CPU as the core of the control plane to forward Various forwarding entries related to VPWS and GRE are written on the surface, and the switch chip and FPGA are used as the forwarding plane to cooperate with each other to process VPWS packets through the IP network, which can realize the wire-speed forwarding of VPWS over GRE and ensure the forwarding performance of the device port.

The embodiment of the present invention discloses a message forwarding method, device and system. In a forwarding network including a controller, a user side LB, a vBNG and a network side LB, the network side LB receives a message sent from the network side to the user side When the first packet forwarded by the target terminal of the target terminal, the first packet of the pre-planned network-side LB can be determined by matching the destination identifier used to identify the target terminal of the first packet to the first sharing entry. a forwarding path from the outgoing interface to the first forwarding unit that processes the online of the target terminal, so that the first packet sent to the target terminal can be accurately forwarded to the first forwarding unit that processes the online of the target terminal, It avoids that the message forwarded from the network side to the user side may be forwarded to an unsuitable forwarding unit in the vBNG, thereby reducing the need for the vBNG to forward the message received from the network side across VMs, and ensuring that the vBNG forwarding performance.

A method and device for implementing RFC2544 in a VPWS environment, including a multi-core CPU as the core of the control plane, running multiple control plane protocols, and generating various entries of VPWS and RFC2544 required when the forwarding plane processes data packets, and the multi-core CPU is also used to generate RFC2544 active end test data packet; the forwarding plane is implemented by the switch chip and FPGA, the switch chip and FPGA cooperate with each other to process the RFC2544 test data packet in the VPWS environment; for the RFC2544 active end packet, the multi-core CPU generates the test data packet and writes it to FPGA, FPGA Send the test traffic to the switch chip, and the switch chip sends the test traffic; for the RFC2544 passive end, after the switch chip receives and processes the packets, it sends the test traffic to the FPGA, and the FPGA sends the test traffic to the switch chip again, and the switch chip sends the test traffic The traffic is sent out; for the RFC2544 active end to receive packets, the switch chip will send the test traffic to the FPGA after receiving the packets, and the FPGA will perform the final calculation of the RFC2544 test parameters on the test traffic; it can realize the line-speed forwarding of the device port to ensure the integrity of the device port. Forwarding performance.