400results about How to "Improve forwarding performance" patented technology

The invention discloses a data forwarding method, controller, forwarding device and system, and belongs to the field of computers. The data forwarding method comprises the steps that overload link port information sent by the forwarding device is received; a service flow, with biggest flow, in a port is queried according to identification, of the port, contained in the overload link port information; a new forwarding path is generated for the service flow; a new forwarding flow table of the service flow is generated for the forwarding device on the new forwarding path; the new forwarding flow table is sent to the corresponding forwarding device. Due to the facts that the service flow, with biggest flow, in a port is queried according to identification, of the port, contained in the received overload link port information, and the new forwarding path is generated for the service flow, the problem that a service flow cannot be further controlled after a controller confirms a forwarding path of the service flow is solved, and the purposes that flow distribution is optimized in real time, and then network forwarding performance is improved are achieved.

The invention relates to a distributing type sound-mixing system used in multimedia conferences. The sound-mixing system comprises a voice main server, a voice sub-server and a client end, wherein, the client end is connected with the voice sub-server, the voice sub-server is connected with the voice main server, and the client end comprises a voice collecting module used for transmitting the audio data stream formed during the conversation when talking with conference attendants; a voice sending module used for sending the collected audio data stream to the voice sub-server through real-time transmission protocol in the way of packaging the voice frame; a signal energy calculating module used for calculate the signal energy E after collecting the audio data stream; the voice main server and the voice sub-server used for networks presenting an arborescence shape; the voice main server realizes the final selecting algorithm, and the sub-voice server adopts the initial selecting algorithm. The invention provides a distributing type sound-mixing system which is used in multimedia conference and can reduce the CPU load of the server end and enhance the sound-mixing efficiency.

The invention discloses a data transmission method and device of a multilink transparent transmission interconnection network, wherein the method comprises the following steps: a TRILL (Trill) exchanger receives a well-known unicast data frame, wherein the well-known unicast data frame comprises a TRILL data frame or an Ethernet data frame; if the TRILL data frame is received, the TRILL exchanger judges whether the TRILL exchanger is the TRILL exchanger at the penultimate hop of the TRILL data frame according to the information carried in the TRILL data frame and a TRILL forwarding table; and if a judging result is positive, the TRILL exchanger unpacks the TRILL data frame to obtain the Ethernet data frame and transmits the Ethernet data frame to the last hop of TRILL exchanger. By using the method, the problem that the ERB (Edge Router Bridge) processing performance in the traditional TRILL network turns into the performance bottleneck of Trill Campus can be solved.

The invention relates to a method and a system of realizing sharing of gateway dynamic load. The arrangement of a plurality of new virtual MAC addresses in the same virtual backup group which is provided with a plurality of gate way devices assures that main equipment can forward the data message to an external network server by different gate way devices so as to realize the function of sharing gateway dynamic load. Aiming at the problems that the gate way backup and load sharing can increase network management load in the prior art, network bandwidth load and gate way device load, the invention provides the method and system of realizing sharing of gateway dynamic load. The invention simplifies the user configuration management, reduces occupation of network bandwidth caused by data transmission and improves the forwarding performance of the gate way device.

The invention discloses a method, a device and network equipment for realizing bidirectional forwarding detection. The method comprises the steps of: dividing a plurality of sessions to be subjected to bidirectional forwarding detection into session groups with a set number, and polling each session sub-group according to a set polling period; specific to each session in the currently polled session sub-group, performing the following steps of: sending a keep-alive message to opposite-end equipment of each session and judging whether the keep-alive message sent by the opposite-end equipment is received or not in a set detection period; if the judgment is negative, determining that the corresponding session is in connectivity fault; or else, determining that the corresponding session is free of connectivity fault. According to the method disclosed by the invention, all the sessions do not need to be polled at the same time, so that the occupancy amount of a CPU (Central Processing Unit) is reduced and the system forwarding performance is increased.

A forward link power control mechanism measures the reverse link power control bits which are transmitted on the forward traffic channel. At the remote station, the reverse link power control bits from multiples base stations or multiple signal paths are measured, combined, and filtered to yield an improved measurement of the forward link signal quality. The reverse link power control bits which are deemed unreliable are omitted from use in the power control loop. The remote station generates a set of forward link power control bit in accordance with the measurements and transmits these bits to all base stations in communication with the remote station. Each base station adjusts its gain of the forward traffic channel in accordance to its measurement of the forward link power control bit.

The invention provides a method for achieving IPSecVPN main link and backup link dynamic switching, and relates to the field of network safety. The method in each period comprises the steps that 1), whether a main link is normal or not is detected through a DPD mechanism, the step 3 is carried out if yes, and the step 2 is carried out if not; 2) the traffic of a VPN is forwarded from an IPSec tunnel of a backup link, and the process is ended; 3) the traffic of the VPN is forwarded from an IPSec tunnel of the main link, and the process is ended. According to the method for achieving the IPSecVPN main link and backup link dynamic switching, the DPD detecting mechanism of the IPSec and a wan interface route are ingeniously connected, flexible processing is carried out according to the priority of the link state to the route, switching of the main link and the backup link can also be achieved even though GRE is not available, and data forwarding performance is improved.

The invention relates to an openstack based agent deployment system and method, and relates to the field of cloud computing. The openstack based agent deployment system comprises a server, a first management access switch, a second management access switch, a management core switch and at least one computing node, wherein the server is connected with the management core switch through the second management access switch, and the management core switch is connected with the first management access switch. The characteristics lie in that each computing node comprises an agent virtual machine and a management virtual switch, and an agent management network card of the agent virtual machine is bound to the management virtual switch; each computing node corresponds to one computing node management network card, the computing node management network card accesses to a port of the first management access switch, and the management virtual switch binds the computing node management network card. The openstack based agent deployment system reduces forwarding paths, improves the network forwarding performance and reduce the later workload of the operation and maintenance personnel under the condition of conforming to third-level requirements of classified protection.

The invention provides a packet forwarding method and device. The method comprises the steps that an access point (AP) receives a first packet sent by a wireless terminal; a forwarding table is looked up to acquire a two-layer tunnel port for forwarding the first packet; the first packet after tunnel encapsulation is sent to a switch distributed by AC to AP through a two-layer tunnel corresponding to the two-layer tunnel port, and the switch sends the first packet to a destination device; preferably, the AP receives a second packet sent by the switch through the two-layer tunnel; the second packet is a packet sent by the destination device to the wireless terminal; and the second packet after tunnel decapsulation is sent to the wireless terminal according to the forwarding table. According to the invention, the amount of network configuration is reduced, and the performance of packet forwarding is improved.

The invention provides a method and an apparatus for updating an MAC (Media Access Control) address table. The method comprises the following steps of: searching corresponding table items from the MAC address table according to a source MAC address of the Ethernet frame after an Ethernet frame is received; computing a difference value between a system time stamp of the received Ethernet frame and an table item time stamp recorded in the searched entry if the searching is successful; and updating the table item time stamp with the system time stamp when the difference value is greater than a preset value. In the invention, only when the difference value is greater than the preset value, the table item time stamp of the link list can be updated with the system time stamp, and each received Ethernet frame is unnecessarily subjected to write operation, thereby reducing times of carrying out the write operation on the MAC address table, improving the concurrent processing capacity of a multi-core processor to the Ethernet frame and improving the forwarding performance of the Ethernet frame.

The invention relates to a load sharing method, a load sharing device and a load sharing system for message traffic. The method comprises the following steps of: resolving a received message, and acquiring the stream identification information of a message stream corresponding to the message; querying a message stream state table, and judging whether the message stream is processed by a processor of a multi-core processor, which corresponds to the message stream, or not according to the stream identification information; if the message stream is processed by the processor, arranging the message into the message stream, and processing the message by using the processor; if the message stream is not processed by the processor, arranging the message into the message stream, and distributing the message stream to an idle process of the multi-core processor for processing; and judging whether the processing of the message stream is finished or not, and if the processing of the message stream is finished, updating the message stream state table for the distribution of the next message stream. The problem of conflict between traffic load sharing and message sequence preservation in a multi-core system is solved, the dynamic balanced sharing of the traffic in the multi-core system is realized, the overhead of the message sequence preservation is eliminated, and message forwarding performance improved.

The invention provides a context routing processing method, network element equipment and a network server. The process context routing method includes: receiving context access information reported by context routing devices in a local area by the network server; computing frequency of historic context access according to context addressing in the context access information, and adjusting a context routing list according to the frequency; and issuing the context routing table adjusted to all context routing devices in the local area. By the context routing processing method, conflict between context flow transmission efficiency and cache hit ratio can be eliminated, so that higher integral transmission performance can be realize by least cost and cache hit ratio is increased.

This invention provides a method and equipment for transmitting data flows, in which, the method includes: using a part of key words of the data flow as the index to look for corresponding items in a tree list to look for corresponding dynamic chain list according to the content in the corresponding list, taking the rest part of the key words as the index to look for corresponding nodes in the dynamic list and getting outlet-interface information in the nodes to transmit said data flow. This invention also discloses equipment including: a management module, a tree list looking up module and a dynamic link looking up module and a transmission module.

The invention discloses an address resolution protocol (ARP) table entry synchronization method and a business processing method and equipment. The ARP table entry synchronization method is applied to distributed equipment comprising a master control board and at least two interface boards. The ARP table entry synchronization method comprises the following steps of: receiving an ARP request message asking for inquiring respective media access control (MAC) addresses of the interface boards by the interface boards; then performing ARP table entry learning according to the ARP request message if a receiving interface of the ARP request message is a non-aggregation interface; and performing ARP table entry synchronization according to the type of the receiving interface of the ARP request message. Chip resources of the interface boards are saved, so that the interface boards are capable of learning more ARP table entries, and the message transmitting and processing capacity of the interface boards is improved.

The invention discloses a virtual private LAN service (VPLS) message processing method and a VPLS message processing device, and relates to the field of network technologies, for solving the problems that in existing VPLS networking adopting a virtual network function (VNF) technology, VPLS forwarding traffic detours and traffic forwarding performance is poor due to the fact that multiple virtual machines (VM) share one virtual switching instance (VSI). According to the method, one VSI is arranged on each forwarding plane VM; and the method comprises the steps of receiving a message comprising a MAC address of a first user and a MAC address of a second user sent by the first user by using the first forwarding plane VM, querying a MAC forwarding table, acquiring a first interface corresponding to the MAC address of the second user in the MAC forwarding table, encapsulating a first private network label and a first public network tunnel label in the message, encapsulating a MAC address of the first interface and a MAC address of an interface of a first opposite terminal in the encapsulated message to form a VPLS message, and sending the encapsulated VPLS message out via the first interface.

The present invention provides a message processing method and device. The method comprises: analyzing the received message, and obtaining the message characteristic of the message; searching the conversion according to the message, the conversion includes the corresponding relation between the message characteristic and the business identification, and if the message characteristic is searched, obtaining the first business identification corresponding to the message characteristic; determining whether the message supports rapid forward or not according to the first business identification, if the message supports rapid forward, correcting the message according to the stored rapid forward information; and forwarding the corrected message. According to the embodiment, the message forwarding performance of a firewall is effectively improved.

The invention discloses a method for updating router, comprising: a master control module detects and obtains IS-IS data, generates a router table according to the obtained IS-IS data, and creates a forwarding table in an interface module according to the generated router table; the master control module sends the router prefix information recorded by each router in the obtained IS-IS data and generated router table to a spare control module to be backed up; and if the master control module goes wrong, the spare control module modifies the backed-up IS-IS data according to network condition, generates a router table according to the modified IS-IS data and updates the forwarding table recorded by the interface module according to the backed-up router prefix information and generated router table. In the method, the interrupt of forwarding flow rate in the prior art which can only delete black hole router in ageing time is avoided, and the network flow rate forwarding performance of dual-control module devices is improved.

The embodiment of the invention provides a method, a device, and an apparatus for message forwarding of firewall equipment, and a storage medium. The method comprises the following steps: obtaining ato-be-forwarded message which comprises quintuple data; calculating a hash value of the quintuple data; querying whether a simplified session table item matched with the to-be-forwarded message existsin a simplified session array hash table previously built in the current CPU or not according to the hash value; obtaining a corresponding session table item template according to a template sessionaddress in the matched simplified session table item if the simplified session table item matched with the to-be-forwarded message exists in the simplified session array hash table; and forwarding theto-be-forwarded message according to the session table item template. According to the method, the device, and the apparatus for message forwarding of firewall equipment, and the storage medium, a large amount of memory space can be saved during the whole forwarding process; the problem that cache access failure probability is increased when a session table item is large due to large memory spaceoccupation can be avoided; and the stability of the overall forwarding performance of the firewall device can be improved.