WO2014029287A1 - Method and device for sharing tunnel load - Google Patents

Method and device for sharing tunnel load Download PDF

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Publication number
WO2014029287A1
WO2014029287A1 PCT/CN2013/081308 CN2013081308W WO2014029287A1 WO 2014029287 A1 WO2014029287 A1 WO 2014029287A1 CN 2013081308 W CN2013081308 W CN 2013081308W WO 2014029287 A1 WO2014029287 A1 WO 2014029287A1
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WO
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Prior art keywords
tunnel
information
load sharing
current
network node
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PCT/CN2013/081308
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French (fr)
Chinese (zh)
Inventor
史亮
李欣
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中兴通讯股份有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic regulation in packet switching networks
    • H04L47/10Flow control or congestion control
    • H04L47/12Congestion avoidance or recovery
    • H04L47/125Load balancing, e.g. traffic engineering

Abstract

The present invention provides a method and a device for sharing tunnel load. The method comprises: a network node detecting an alarm condition of a tunnel, and updating effective tunnel information in current tunnel load sharing group information, the tunnel load sharing group information being sent to the network node by a platform protocol module; and the network node sending the updated effective tunnel information to a forwarding chip in the network node, so that the forwarding chip selects, according to the information, an effective tunnel to perform load balancing of service traffic. The present invention solves a problem of slow service convergence when a forwarding failure occurs in a tunnel in a tunnel load sharing group in the prior art, and achieves quick service convergence, thereby improving forwarding performance of a network node.

Description

Tunnel load sharing method and device TECHNICAL FIELD The present invention relates to communication field, specifically, it relates to a method and apparatus for load sharing tunnel. Background Art In the field of computer data communications, in particular data bearer network, tunneling technology application is very wide, and a load sharing, load balancing strategies and methods on multiple links in the network node apparatus. When the packet processing node discovery packets forwarded packet may be forwarded through a plurality of outward paths, how to select a path such that the network node to achieve higher performance, or to meet certain forwarding forwarding demand, which is required load sharing solved problem. Tunnel load balancing of the present application refers to, in the network node apparatus, traffic load balancing method on a strategy and a plurality of tunnels. Tunnel current load sharing group is formed there are two ways, one is calculated by the routing protocol forming a plurality of exit from the tunnel, the other is a plurality of tunnels formed statically bound, when the tunnel in the load sharing group of one or more tunnel forwarding path when failure, the load sharing group is formed of the two types are required depends on the protocol aware, then forwards the notification chip select valid path to re-convergence, the tunnel load balancing techniques, either on the device or distributed in a centralized device convergence within, so 50ms is very difficult. In the related art tunnel load balancing, since a tunnel protocol aware forwarding failure, and then notifies the forwarding path to a valid chip reselection convergence, therefore, the presence of business slow convergence, forward low performance deficiencies. For at least one of the above-mentioned problems in the related art, we have not yet come up with effective solutions. SUMMARY OF INVENTION The present invention provides a method and apparatus for load sharing tunnel to solve at least the related art when the tunnel Tunnel load sharing group appear forwarding failure, the problem of slow convergence speed traffic. According to one aspect of the embodiment of the present invention, there is provided a method of load sharing a tunnel, comprising: a network node detects an alarm situation the tunnel, and the tunnel current update information of the effective load sharing group tunnel, wherein the tunnel load sharing group information the internet protocol module is sent to the network node; and sending a tunnel information is valid after the updated network node to the network node forwarding chip, wherein the chip information selecting valid forwarding tunnel according to traffic load balancing. Preferably, before the alarm condition network node detecting the tunnel, and updates the information of the current tunnel load sharing group information valid tunnel, said tunnel load balancing method further comprising: the network node each tunnel current tunnel load sharing group information rapid detection module arranged at both ends, rapid detection module configured to detect whether a valid tunnel, and the tunnel is detected in the case where the fast detection module forwarding failure occurs, an alarm signal is generated. Preferably, before the alarm condition network node detecting the tunnel, and updates the information of the current tunnel load sharing group information valid tunnel, said tunnel load balancing method further comprising: the network node by way of the effective current tunnel load sharing group information the tunnel traffic network node load balancing: the network node according to the loopback interface address on another network node obtains the tunnel, calculated by the routing protocol of the current tunnel load sharing group information from the network node to another network node allows the selection of an active tunnel, forwarding the operation result to a chip; network node from the tunnel current static load sharing group information selected by the network node to other network nodes active tunnel allowing for selection, and the selection result is sent to the forwarding chip. Preferably, the alarm situation of the network node detects the tunnel, and updates the information of the current tunnel load sharing group information valid tunnel comprising: a network node detects the tunnel generates an alarm situation, the network node to update the current tunnel load sharing group information effective information of the tunnel. Preferably, the network node updates the tunnel load sharing group information effective tunneling current information comprises: a network node to query relational information tunnel number and sharing group index tunnel load current tunnel load balancing group according to the tunnel number tunnel generates an alarm, determines the tunnel whether CROSSING load sharing group information of current; in the case of the tunnel belonging CROSSING load sharing group information of current, and the forwarding tunnel status is valid forwarding the network node from the current tunnel load sharing group information in the active tunnel remove information tunnel information, and modify the current forwarding state in a forwarding failure in the load sharing group tunnel tunnel information, update the information in the tunnel information effective load sharing group tunnel. Preferably, after the alarm condition in the network node detecting the tunnel, and the tunnel current update information of the effective load sharing group tunnel, said tunnel load balancing method further comprising: a first tunnel set of load balancing network node receives the internet protocol module to send information, wherein the first tunnel is a load sharing group information tunnel internet protocol module to generate an alarm when detected, regenerated tunnel load sharing group information. Preferably, the alarm situation of the network node detects the tunnel, and updates the current tunnel load sharing group information valid tunnel information comprising: at a network node detects a case where the alarm tunnel generation disappears, the network node to update the current tunnel load sharing group information valid information in the tunnel. Preferably, the network node updates the tunnel load sharing group information effective tunneling current information comprises: a network node to query relational current tunnel load sharing group information tunnel number and sharing group index tunnel load tunneling number tunnel alarms disappear, judgment alarm disappearance of the tunnel belongs to the current tunnel load sharing group information tunnel; in the alarm disappears tunnel belonging to the current tunnel load sharing group information in the tunnel, and an alarm ends forwarding status of the tunnel is the case where the failure forwarding network node alarm add information to the disappearance of the tunnel active tunnel current tunnel load balancing information of the group information, and modify the valid forwarding, updates the tunnel current in the load sharing group information in the current alarm state of the forwarding tunnel load sharing group information disappears in the tunnel effective information of the tunnel. Preferably, after the alarm condition in the network node detecting the tunnel, and the tunnel current update information of the effective load sharing group tunnel, said tunnel load balancing method further comprising: a second load sharing set of network nodes tunnel internet protocol module receives the transmitted information, wherein the second load balancing tunnel internet protocol module group information is detected after the alarm ends tunnel, the tunnel regenerated load sharing group information. According to another aspect of embodiments of the invention, there is provided a tunnel load balancing apparatus, comprising: an updating module, set alarm detected tunnel current and updated information for effective load sharing group tunnel a tunnel, wherein the tunnel load sharing group information was sent by the internet protocol module to a network node; transmitting module arranged to transmit information is valid tunnel updated to the network node forwarding chip, wherein the forwarding chip traffic information to select an active tunnel according load balancing. Preferably, the load balancing apparatus further comprising a tunnel: Rapid detection module arranged at both ends of each tunnel a tunnel current in the load sharing group information is provided to detect whether a valid tunnel, and the tunnel where the fast detection module detects the occurrence forwarding the case of failure, an alarm signal is generated. Preferably, the updating module comprises: a first updating unit, arranged to detected that the alarm generated tunnel, the tunnel current load balancing updated group information valid tunnel information. Preferably, the first updating unit comprises: a first determining subunit, a tunnel is set according to the relationship with the tunnel number of load sharing group index number inquiry tunnel Tunnel load sharing group information generated alarm tunnel, the tunnel is determined whether the current tunnel load tunneling information sharing group; a first updating sub-unit, arranged to tunnel the tunnel belonging to the load sharing group information tunnel current, and the forwarding tunnel is the case where the state of the valid forwarding tunnel current from the effective load sharing group information tunnel information delete information of the tunnel and modifications to fail in the current forwarding state will forward tunnel tunnel load sharing group information, update information of the current tunnel load sharing group information valid tunnel. Preferably, the apparatus further comprises a load sharing tunnel: a first receiving module, a first tunnel set load balancing information transmitted to the receiving platform protocol module, wherein the first tunnel is a load sharing group information internet protocol tunneling module generates an alarm is detected after re-generated tunnel load sharing group information. Preferably, the updating module comprises: a second updating unit configured to detect in the case where an alarm is generated disappears tunnel, the tunnel information update the currently active tunnel load sharing group information. Preferably, the second updating unit comprises: a second determining sub-unit, to the query number and relationship information tunnel load sharing group index tunnel current tunnel load balancing group according to the alarm disappears tunnel tunnel number, it is determined whether the alarm disappears tunnel CROSSING load sharing belonging to the current group information; and a second updating sub-unit, arranged to the alarm disappears tunnel current tunnel load sharing belonging to group information in a tunnel, and the disappearance of the alarm forwarding state for the case where the tunnel forwarding failure, the disappearance of the alarm information is added to the active tunnel tunnel current tunnel load balancing information of the group information, and modify the valid forwarding, updates the tunnel current in the load sharing group in the current state of the alarm forwarding tunnel load sharing group information disappears tunnel information valid information in the tunnel. Preferably, the apparatus further comprises a load sharing tunnel: a second receiving module, a second load transmission tunnel internet protocol module to receive information sharing group, wherein the second tunnel load balancing information is set to the internet protocol module detects the tunnel after the alarm disappears, regenerate the tunnel load sharing group information. In an embodiment of the present invention, the network node may detect alarm condition tunnels to timely update the current tunnel load sharing panel information effectively tunnel, the tunnel load sharing group information was sent by the internet protocol module to a network node, For example, when the current tunnel load sharing group tunnel information forwarded occur in case of failure, the network node can detect the alarm generated by the tunnel, and the tunnel is deleted from the valid alarm tunnel, the tunnel current and updated from time to time effective load sharing group information tunnel information, and then sends the information to the updated active tunnel to the network node forwarding the chip, the chip select active tunnel forwarding information based on the traffic load balancing, to avoid the after the tunnel appears forwarding protocol perceived failure, the network node to re-select a valid business case of tunnel convergence to achieve a rapid convergence of business, thus improving the forwarding performance of the network nodes. BRIEF DESCRIPTION OF THE DRAWINGS described herein are intended to provide further understanding of embodiments of the present invention, constitute a part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. . In the drawings - FIG 1 is a flowchart of a load balancing method according to an embodiment of the tunnel of the present invention; FIG. 2 is a block diagram of a load sharing apparatus according to an embodiment of the tunnel of the present invention; FIG. 3 is another embodiment of the present invention tunnel with a block diagram of load balancing apparatus; FIG. 4 is a block diagram showing a configuration update module embodiment of the present invention; FIG. 5 is a block diagram of apparatus according to yet another tunnel embodiment sharing embodiment of the present invention, a load; FIG. 6 is according to the present invention Example tunnel load sharing schematic application scenario; FIG. 7 is a flowchart of another tunnel load sharing method of the embodiment of the present invention; and FIG. 8 is a flow tunnel according to a further embodiment of the load sharing method of the present invention. Fig. DETAILED DESCRIPTION hereinafter with reference to the accompanying drawings in conjunction with embodiments of the present invention will be described in detail. Incidentally, in the case of no conflict, embodiments and features of the embodiments of the present application can be combined with each other. The present embodiment provides a method of load sharing a tunnel, as shown in FIG. 1, the load balancing method comprising the tunnel steps S102 to step S104. The step S102: the network node detecting the tunnel alarm condition, and updates the information in the current active tunnel tunnel load balancing group, wherein the tunnel is a load sharing group information transmitted from the internet protocol module to a network node. Step S104: The network node information is valid after the tunnel to the network node transmits the updated forwarding chip, wherein the chip information selecting active tunnel forwarding service traffic according to load balancing. Through the above steps, the network node can detect the alarm condition tunnels, to update promptly the current information is valid tunnel information tunnel load sharing group, the tunnel load sharing group information was sent by the internet protocol module to a network node, for example, in a case where the tunneling current in the load sharing group information forwarding tunnel failure occurs, the network node can detect the alarm generated by the tunnel, and the tunnel is deleted from the valid alarm tunnel, the tunnel current and updated when the load sharing group tunnel information is valid information, then the information is valid after the updated transmission tunnel to the network node forwarding the chip, the chip select active tunnel forwarding information based on the traffic load balancing, to avoid perceived by the protocol after the tunnel forwarding failure occurs, the network node to re-select a valid business case of tunnel convergence to achieve a rapid convergence of services, thereby improving the forwarding performance of the network nodes. In order to promptly detect a valid case of each tunnel, effectively increase the convergence speed service node, in the present preferred embodiment, the network node detects an alarm in the tunnel, and the tunnel current update group information effective load sharing tunnel before both ends of each of said network node in the tunnel above the tunnel current in the load sharing group information configuration quick detection module, the fast detection module to detect the tunnel settings are valid, and forwards the failure detection module detects a tunnel where the rapid emergence in a case, an alarm signal is generated. Thus, the network node can quickly detecting module real-time detection effective where each of the tunnel, and when forwarding failure detected in time in the tunnel and generates an alarm signal, so that the network node can quickly reselect an active tunnel for service convergence, so effectively improve convergence speed service node. In order to pass current tunnel load sharing group information active tunnel to the business flow rate of the network node load balancing, in the present preferred embodiment, may be achieved by, e.g., alarm condition in said network node detects the tunnel, before and updates the information of the current information in the active tunnel tunnel load sharing group, said network node according to the loopback interface address on another network node obtains the tunnel, calculating the above-mentioned current tunnel load sharing group information from the network node through a routing protocol to other network nodes allow selection of an active tunnel, and transmits the calculation result to said transponder chip; said network node from said tunnel current in the load sharing group information selected by the static network node to said another network node allows for efficient selection of the tunnel, and the selection result is sent to a forwarding chip. For real-time updates an active tunnel information transfer chip, improve the forwarding performance of the network nodes, in the preferred embodiment, the alarm condition said network node detecting the tunnel, and updates the information of the current tunnel load sharing group information valid tunnel comprises: in the network node detects the tunnel generates an alarm situation, the network node updates information of the currently active tunnel tunnel load sharing group information. Achieved at the network node detects a tunnel generates an alarm situation, can update the network node information is valid tunnel current tunnel load sharing group information, to update the information on the transponder chip real tunnel in real time, so that the forwarding chip may accurately and effectively re-select an active tunnel to rapidly converge, which should increase the forwarding performance of the network nodes. In order to quickly complete the update information of the current tunnel load sharing group information valid tunnel, in the present preferred embodiment, may be implemented by the following steps, for example the network node updates information of the current tunnel load sharing group information active tunnel comprises : said network node to query relational current information tunnel number and load sharing group index CROSSING load balancing group according to the tunnel number tunnel generates an alarm, determining whether the tunnel if this is the current tunnel load sharing group information tunnel; above the tunnel It belongs to the current tunnel load sharing group information tunnel above, and the forwarding state of the tunnel is the case where the valid forwarding the network node deletes information of the tunnel from the active tunnel information of the tunnel load sharing group information currently in the and the current state of the above-described tunnel forwarding tunnel in the load sharing group to fail forwarding information modification, updating completion information of the current tunnel load sharing group information of the active tunnel. By tunneling number tunnel generates an alarm to query relationship tunnel number of the current tunnel load sharing group information and the shared set of indices tunnel load to determine whether the information with the new of the front tunnel load sharing group information valid tunnel, in order to improve update the current tunnel load sharing information derived from the information in the group of active tunnel. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, in the case of the above network node detects an alarm of the tunnel, and the tunnel current update information of the effective load sharing group after the tunnel , the first tunnel set load balancing information of the network node receives the internet protocol module transmission, wherein the first tunnel load balancing information is set above the tunnel internet protocol module to generate an alarm when detected, regenerated tunnel load sharing group information. I.e. internet protocol tunnel module detects the generation of an alarm situation, a slower convergence, regenerate a new transmission tunnel load sharing group information to the network node, to update the tunnel load on the network node information sharing group, updating the network to send information to valid node tunnel forwarding chip. In order to meet the needs of different application scenarios, in this preferred embodiment, the alarm condition said network node detects a tunnel embodiment, and updates the current tunnel load sharing group information valid tunnel information includes: In the network node detects a tunnel generated a case where the alarm disappears, the network node update information is valid tunnel tunnel current load sharing group information. Achieved at said network node detects tunnel generates an alarm situation, can update the network node of the current tunnel load sharing group information valid information tunnel in order to update the information on the transponder chip real tunnel in real time, so that the forwarding chip can accurately and effectively re-select an active tunnel to rapidly converge, which should increase the forwarding performance of the network nodes. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, said network node updates the current tunnel load sharing group information valid tunnel information comprises: said network node in accordance with the alarm disappears tunnel number tunnel query relation tunnel number and load sharing group index tunnel the current tunnel load sharing group information, determining whether the alarm ends of the tunnel belongs to the current tunnel load sharing group information tunnel; the alarm ends of the tunnel belonging to the current tunnel load sharing group information of the tunnel, and the state of alarm disappears forwarding tunnel for forwarding the case of failure, the information of the network node the alarm ends tunnel information added to the active tunnel current tunnel load sharing group information in and modify the state of the forwarding tunnel current in the load sharing group information of the alarm disappears active forwarding tunnel, the tunnel effectively complete the update information of the tunnel current load sharing group information again. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, in the case of the above network node detects an alarm of the tunnel, and the tunnel current update information of the effective load sharing group after the tunnel the second load sharing group tunnel network node receives information of the transmitted internet protocol module, wherein the second tunnel load sharing group after the above-described information internet protocol module detects the alarm disappears tunnel, the tunnel regenerated load sharing group information . In the internet protocol module that is detected in the case of an alarm ends of the tunnel, a slower convergence, regenerate a new load balancing group tunnel information to the network node, to update the tunnel load on the network nodes sharing group information to update It said network node to a tunnel forwarding information is valid chip. In the present preferred embodiment, there is provided a tunnel load balancing apparatus shown in Figure 2, the tunnel load balancing apparatus comprising: an updating module 202, an alarm is provided to detect a tunnel, the tunnel current and updated load sharing group information effective tunnel information, wherein the tunnel load sharing group information was sent by the internet protocol module to the network node; and sending module 204, connects to the update module 202, the transmission is set to an active tunnel the updated information to the network node forwarding chip, which forwards the information chip select valid tunnel traffic according to load balancing. In the preferred embodiment, update module 202 may detect alarm condition tunnels to timely update the current tunnel load sharing panel information effectively tunnel, the tunnel load sharing group information was sent by the internet protocol module to a network node For example, when the current tunnel load sharing group information forwarding tunnel occur in case of failure, the network node can detect the alarm generated by the tunnel, and the tunnel is deleted from the valid alarm tunnel, and updating of the current time tunnel load sharing group information valid tunnel information, then transmitting module 204 information is valid tunnel updated is sent to the network nodes forwarding chip, a transponder chip select active tunnel based on the information on the traffic load balancing, to avoid perceived by the agreement to the situation after the tunnel forwarding failure occurs, the network node to re-select a valid service tunnel convergence to achieve a rapid convergence of services, thereby improving the forwarding performance of the network nodes. In order to promptly detect a valid case of each tunnel, effectively increase the convergence speed service node, in the present preferred embodiment, as shown in FIG. 3, the load balancing apparatus tunnel further comprising: a fast detection module 206 disposed in the tunnel current both ends of each tunnel a load sharing group information is provided to detect whether a valid tunnel, and the tunnel is detected in the case where the fast detection module forwarding failure occurs, an alarm signal is generated. In order to effectively tunnel forwarding information updated in real time chip, improve the forwarding performance of the network node, in the present preferred embodiment, as shown in FIG 4, the updating module 202 comprises: a first updating unit 2022 arranged to detect the tunnel generates an alarm in the case, the update information is valid tunnel tunnel current load sharing group information. In order to quickly complete the update information of the current tunnel load sharing group information valid tunnel, in a preferred embodiment according to the present embodiment, the following steps may be implemented by, e.g., FIG. 4, the first updating unit 2022 comprises: a first judging subunit 402, the relationship is set to the tunnel number to the tunnel load sharing group index number inquiry tunnel tunnel load sharing group information generated alarm tunnel, the tunnel is determined whether the current tunnel load sharing group information tunnel; a first update subunit 404, connected to the first judging sub-unit 402, belonging to the tunnel tunnel tunnel load sharing group information of current, and the forwarding tunnel is a state where the effective forward, the effective load sharing group from the tunnel current information tunnel information delete information of the tunnel and modifications to fail in the current forwarding state will forward tunnel tunnel load sharing group information, update information of the current tunnel load sharing group information valid tunnel. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, as shown in FIG. 5, the load balancing apparatus further comprising a tunnel: a first receiving module 208, configured to receive internet protocol the first tunnel set load balancing information transmission module, wherein, the first tunnel set load balancing information tunnel internet protocol module to generate an alarm when detected, regenerated tunnel load sharing group information. In order to meet the needs of different application scenarios, in the present preferred embodiment, as shown in FIG 4, the updating module 202 comprises: a second updating unit 2024, is set in a case where a tunnel is detected an alarm is generated disappears, the current update tunnel load sharing group information valid information tunnel. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, shown in Figure 4, the second updating unit 2024 comprises: a second determining sub-unit 406, according to the alarm set No. disappearance tunnel tunnel tunnel current query load sharing relationship group information tunnel number and load sharing group index of the tunnel, the tunnel is determined whether the alarm disappears tunnel current in the load sharing group tunnel information; and a second updating sub-unit 408 is connected to the second determining sub-unit 406, arranged to the alarm disappears tunnel belonging CROSSING load sharing group information of current, and the state of alarm disappears forwarding tunnel for forwarding the case of failure, the alarm information is added to the disappearance of the tunnel active tunnel current tunnel load sharing information in the group information, and modify the current state in the alarm forwarding tunnel information disappears load sharing group is valid forwarding tunnel, the tunnel effectively update a tunnel current load sharing group information. In order to effectively and reasonably utilized to improve the forwarding performance of each tunnel network node, in the present preferred embodiment, as shown in FIG. 5, the load balancing apparatus tunnel further comprises: a second receiving module 210, configured to receive internet protocol the second tunnel load sharing group information transmission module, wherein the second load balancing tunnel internet protocol module group information is detected after the alarm ends tunnel, the tunnel regenerated load sharing group information. For each of the preferred embodiments described in detail below in conjunction with the accompanying drawings. In the preferred embodiment, the PE device in the network node, for example, the above described tunnel load balancing method, FIG 7 is a flowchart sharing method according to another embodiment of the loading tunnel of the present invention, shown in Figure 7, the process includes step S702 to step S712. Step S702: the formation of a tunnel scene load sharing. In an example scenario shown in FIG 6, wherein the apparatus has two sets of PE, PE1, PE2, several P device, the device P can not. The establishment of several two-way tunnel between PE1 and PE2, the tunnel can be dynamic rsvp te tunnel can also be static tmpls tunnel. On each end of the tunnel 2 disposed end to end rapid detection module, if rsvp-te tunnel can be configured tunnel bfd, if tmpls tunnel can be configured tmp oam. Of course, this is only an example, the tunnel type is not limited tmpls rsvp te tunnel or tunnels, the present embodiment is also applicable to other types of tunnels. Step S704: PE1 disposed on the traffic through the tunnel load sharing group (corresponding to the current tunnel load sharing group information) in the tunnel forwarding. L2vpn or service may 13vpn business, and the participation of the interface each tunnel route calculation, PE2 advertised by the routing protocol tunnel port loopback address (assuming the tunnel abcd loopback port address) to the device PE1, through routing protocols operation, so that the final route abcd on PE1 these four tunnel exit onto the load sharing group. The same configuration PE1 PE2. Step S706: When the tunnel load sharing group on PE1 in one or more tunnel forwarding path fails, the rapid detection PE1 end generates an alarm, PE1 after receiving the alarm, PE1 find tunnel numbers and tunnel according to a tunnel number generates an alarm tunnel load sharing index table, the tunnel is determined whether there is an alarm generated PE1 stored in the load sharing group table a tunnel (tunnel current corresponds to the load sharing group information), and the tunnel forwarding table records the state of the forwarding state is valid, in the case of a tunnel in the load sharing group table stored PE1 present in said tunnel, the tunnel table and said recorded state is a valid forwarding forwarding state, PE1 will generate an alarm from the tunnel entry tunnel effective load sharing group table (rather to the active tunnel information) and removed, and the tunnel integrated load-sharing group table updates all active tunnel forwarding chip. Load sharing group table and the tunnel above the tunnel forwarding state to an invalid edit forwarding state. I.e. PE1 reselect tunnel load sharing group table valid tunnel, updates the forwarding entry on the forwarding chip, so that the traffic from PE1 to PE2 is completed falls within 50ms. Step S708: When the internet protocol module receives the fast detection module sends an alarm, and a slower convergence to form a new load sharing group table tunnel sent PE1, PE1 reintegration All valid tunnel member information update and integrated into forwarding chip. Step S710: When the forwarding failed before the PE1 tunnel resume forwarding, PE1 after receiving the alarm fast detection module sends disappears message, added to the tunnel to the active tunnel entry tunnel load sharing group table, the integration of all active tunnel integration of information and updates to the forwarding chip. Load sharing group table and the tunnel state of the tunnel forwarding modifies the effective forwarding state. I.e. PE1 reselect tunnel load sharing group table all available tunnels, forwarding entry and quickly update the forwarding chip. Step S712: When the platform to receive alarm protocol module for rapid detection module sends the disappearance of a slower convergence, the formation of a new tunnel under the grant PE1 load sharing group table, PE1 re-integration of all available information and integrate members tunnel information update to forwarding chip. FIG 8 is a flowchart of a method of sharing according to a further embodiment of the present invention, the tunnel load, as shown in FIG. 8, the process comprising the step S802 to step S818. Step S802: (corresponds to the current tunnel load sharing group information), the network node maintains a correspondence relationship shared set of index numbers and tunnel tunnels all the members in accordance with the load delivered by the internet protocol tunneling module load sharing group of data, and stores each tunnel member forwarding state, and select the next active tunnel tunnels all groups load sharing distributed forwarding chip. After this step, the network node receives the tunnel load sharing set of data delivered by the internet protocol module, said network node is configured traffic on the network node through a tunnel load sharing group in the tunnel forwarding, and end to end in each tunnel 2 side configuration rapid detection module to detect the failure situation occurs whether the tunnel, and when the failure is detected, an alarm. Step S804: determining whether the network node receives a tunnel detection module rapid alarm, if yes, go to step S806, the otherwise, go to step S812. Step S806: the network node searches the tunnel number, and number of loads tunneling the tunnel generates an alarm table index balancing, load sharing group table is determined whether a tunnel a tunnel generates an alarm is present in the network node stored (corresponding to the load current tunnel information sharing group), and the state of the tunnel forwarding table records the forwarding state is valid, if present in said tunnel above the tunnel of a network node stored in the load sharing group table, and said tunnel table recorded in the forwarding state forwarding state is valid, go to step S808, otherwise, go to step

Step S808: the network node will generate an alarm from the tunnel entry tunnel effective load sharing group table (corresponding to the active tunnel information) are removed, the integration of the tunnel load sharing group table information about all updates to the active tunnel forwarding chip. Load sharing group table and the tunnel state of the tunnel forwarding modifies forwarding state is invalid. Step S810: internet protocol tunneling module receives alarm rapid detection module, a slower convergence, distributed network nodes forming the new tunnel load sharing group table, go to step S802. Step S812: determining whether the network node receives a tunnel detection module sends an alarm tunnel quickly disappears message, if yes, go to step S814, the otherwise, go to step S804. Step S814: the network node searches the tunnel number and load sharing relation table according to the tunnel group index number alarm ends tunnel, the tunnel is determined whether there is an alarm ends of the tunnel to a load sharing group stored in the network node, and recorded in the table tunnel whether forwarding state is invalid forwarding state, and if so, go to step S816, otherwise, to step S804. Step S816: the network node to put this alarm disappears added to the active tunnel tunnel entry tunnel load sharing group table, the integration of the tunnel load sharing group table all updates to the active tunnel forwarding chip. And the load sharing group table in the tunnel forwarding state of this tunnel forwarding state for the effective modification. Step S818: internet protocol tunneling module receives alarm detection module quickly disappear transmitted message, the slow convergence, distributed network nodes forming the new tunnel load sharing group table, go to step S802. From the above description, it can be seen that a preferred embodiment of the present embodiment achieve the following technical effects: the network node of the tunnel can be detected alarm, is updated in a timely manner the tunnel current in the load sharing group information is valid information tunnel, the tunnel load balancing group is a case where the information transmitted by the internet protocol module to a network node, e.g., when the current tunnel load sharing group tunnel message forwarding failure occurs in the network node of the tunnel can be detected to produce an alarm, and the alarm tunnel remove from an active tunnel, the tunnel current information and updating the group information in the effective load sharing when the tunnel, and then, sends the information of the updated active tunnel to the network node forwarding the chip, the chip in accordance with said information forwarded by the select a valid tunnel for traffic load balancing, avoiding the protocol perceived after the tunnel appears forwarding failure, the network node to re-select a valid tunnel case of business convergence to achieve a rapid convergence of services, thereby improving the forwarding performance of network nodes . Obviously, those skilled in the art should understand that the modules or steps of the above-described embodiments of the present invention may be general purpose computing device, they can be integrated in a single computing device or distributed across multiple computing devices consisting of on the network, alternatively, they may be implemented by program codes executable by a computing device, so that, to be performed by a computing device stored in a storage means, and in some cases, may be different from here sequential execution steps shown or described, or they are made into integrated circuit modules, or by making them of a plurality of modules or steps in a single integrated circuit module. Thus, embodiments of the present invention is not limited to any particular hardware and software combination. The above are only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims

Claims
A tunnel load sharing method, comprising: detecting an alarm condition of the network node of the tunnel, and the tunnel current update information of the effective load sharing group tunnel, wherein the tunnel is a load sharing group information transmitted from the internet protocol module to the network node;
The network node information is valid after the updated transmission tunnel to the network node forwarding chip, wherein the chip select active tunnel forwarding information according to the traffic load balancing.
Before The method according to claim 1, wherein the alarm condition in the network node detecting the tunnel, and updates the information of the current tunnel load balancing information is set an active tunnel, further comprising:
The ends of each network node of a tunnel current in the load sharing group information tunnel configuration quick detection module, the fast detection module provided to detect whether a valid tunnel, and the tunnel is detected where rapid detection module the event of failure to forward, to generate an alarm signal.
Prior to 3. The method according to claim 1, wherein the alarm condition in the network node detecting the tunnel, and updates the information of the current tunnel load balancing information is set an active tunnel, further comprising:
The load balancing network node by way of the tunnel current in the load sharing group information of the active tunnel traffic to the network node:
The network node according to the port loopback address on another network node, the acquired tunnel, calculated by the routing protocol active tunnel current tunnel load sharing group information from the network node to another network node allows the selection, and the calculation result is transmitted to the transponder chip;
The static network node from said selected network node of an active tunnel to the other network nodes allows to select the tunnel current from said load sharing group information, and the selection result is sent to the forwarding chip.
A method according to any one of the 1 to 3 claims, wherein said alarm condition is detected tunnel network node, and updates the information of the current tunnel load sharing group information valid tunnel comprises:
At the network node detects a tunnel generates an alarm situation, the network node updates information of the current tunnel load sharing group information of the active tunnel.
5. The method of claim 4, wherein said network node updates information of the current tunnel load sharing group comprising the active tunnel information - the network node according to the query number tunnel tunnel tunnel current generated alarm load sharing relationship group information tunnel number to the tunnel load balancing group index, determining whether the tunnel belonging to the current tunnel load sharing group information of the tunnel;
In the tunnel of the tunnel belonging to the load sharing group information tunnel current, and the tunnel forwarding state is valid in the case of forwarding, the network node from said active tunnel current tunnel load sharing group information in the information delete information of the tunnel, and to modify the forwarding failure, updating information of the current tunnel load sharing group information in the valid forwarding tunnel current state of the tunnel in the load sharing group information of the tunnel.
After 6. The method according to claim 4, wherein the alarm condition in the network node detecting the tunnel, and updates the information of the current tunnel load balancing information is set an active tunnel, further comprising:
The first load sharing group tunnel information of the network node receiving the transmitted internet protocol module, wherein the load sharing group tunnel is the first information to the internet protocol tunneling module generates an alarm is detected, the re-generated tunnel load sharing group information.
7. The method according to any one of claims 1 to 3, wherein said alarm condition is detected tunnel network node, and updates the information of the current tunnel load sharing group in the active tunnel information comprises: in the the network node detects a case where a tunnel alarm vanishes, the network node updates information of the current tunnel load sharing group information of the active tunnel.
8. The method according to claim 7, wherein said network node updates information of the current tunnel load sharing group comprising the active tunnel information - the network node querying the tunnel current number of alarm disappears tunneling tunnel load sharing relationship group information tunnel number to the tunnel load balancing group index, it is determined whether the alarm disappears tunnel belonging to the current tunnel load sharing group information of the tunnel;
In the alarm disappears tunnel belonging CROSSING load sharing group information of the current, and the state of alarm disappears forwarding tunnel for forwarding the case of failure, the network node information of the alarm disappears tunnel added to the active tunnel information of the current tunnel load sharing group information and modify the valid forwarding information in the forwarding of the alarm status of the current tunnel load sharing group disappeared tunnel, the tunnel current updating the load sharing group information is valid tunnel information.
After 9. The method according to claim 7, wherein the alarm condition in the network node detecting the tunnel, and the tunnel current update information of the effective load sharing group tunnel, further comprising: the network node receiving the the second load sharing group tunnel internet information transmission protocol module, wherein the second tunnel load balancing information is set after the alarm ends tunnel, the tunnel regenerated load sharing group information to the internet protocol module is detected.
A tunnel load balancing apparatus, comprising: an updating module, configured to detect alarm condition tunnel, the tunnel current and updated load balancing information is valid information group tunnel, wherein the tunnel is a load sharing group information internet protocol means for transmitting to said network node;
Transmitting module, arranged to tunnel information is valid after the update is sent to the network nodes forwarding chip, wherein the chip select active tunnel forwarding information according to the traffic load balancing.
11. The apparatus according to claim 10, wherein, further comprising: a fast detection module arranged at both ends of each tunnel tunnel load sharing group in the current information, configured to detect whether the tunnel is valid, and detected tunnel case where the fast detection module forwarding failure occurs, an alarm signal is generated.
12. The apparatus of claim 10 or claim 11, wherein said updating module comprises: a first updating unit, arranged to detected that the alarm generated tunnel, the tunnel current updating the group information in the effective load sharing information tunnel.
13. The apparatus according to claim 12, wherein the first updating unit comprises: a first judging sub-unit configured to generate an alarm according to a tunnel number to the tunnel tunnel query load sharing group information numbers tunnel Tunnel a load sharing relationship between group index, determining whether the tunnel tunnel tunnel load sharing group information of said current; a first updating sub-unit configured to tunnel the tunnel load sharing group information belonging to the current in said tunnel, and the forwarding state for the case where the effective tunnel forwarding, deleting information of the active tunnel from the tunnel information of the current tunnel load sharing in the group information, and the tunnel current in the load sharing group of the information modify the forwarding state tunnel forwarding failure, updating information of the current tunnel load sharing group information of the active tunnel.
14. The apparatus according to claim 12, wherein, further comprising: a first receiving module, a first tunnel load sharing group to receive the information transmitted by internet protocol module, wherein said first tunnel set load sharing information the internet protocol module is detected after the alarm is generated tunnel, the tunnel regenerated load sharing group information.
15. The apparatus according to claim 10 or claim 11, wherein said updating module comprises: a second updating unit configured to in a case where a tunnel is detected an alarm is generated disappears, updating the current tunnel load sharing group information information tunnels valid.
16. The apparatus according to claim 15, wherein said second updating means comprises: a second determining sub-unit, according to the tunnel number to the query tunnel alarm ends the current tunnel load sharing group information and the tunnel number load sharing relationship between the group index of the tunnel, the tunnel is determined whether the alarm disappears load sharing tunnel of the tunnel belonging to group information in a current; and a second updating sub-unit, arranged to the alarm disappears tunnel belonging to the current tunnel load information sharing group tunnel, the tunnel forwarding state and the alarm disappears forwarding failure case, the disappearance of the alarm information is added to the active tunnel tunnel information of the current tunnel load sharing in the group information, and modify information in the forwarding of the alarm status of the current tunnel load sharing group disappeared forwarding tunnel is active, updating information of the current tunnel load sharing group information of the active tunnel.
17. The apparatus according to claim 15, wherein, further comprising: a second receiving module, a second tunnel load sharing group to receive the information transmitted by internet protocol module, wherein the second set of load sharing information tunnel the internet protocol module is detected after the alarm ends tunnel, the tunnel regenerated load sharing group information.
PCT/CN2013/081308 2012-08-21 2013-08-12 Method and device for sharing tunnel load WO2014029287A1 (en)

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Publication number Priority date Publication date Assignee Title
CN102833161B (en) * 2012-08-21 2018-01-30 中兴通讯股份有限公司 Method and apparatus for load sharing Tunnel
CN104753754A (en) * 2015-03-12 2015-07-01 杭州华三通信技术有限公司 Method and apparatus for transmitting messages

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1933448A (en) * 2006-08-17 2007-03-21 华为技术有限公司 Business fast convergent method and network equipment
CN101035019A (en) * 2007-01-12 2007-09-12 华为技术有限公司 Fast convergence method and device of the end-to-end service
US20110280121A1 (en) * 2010-05-12 2011-11-17 Cisco Technology, Inc. System and method for summarizing alarm indications in a network environment
CN102833161A (en) * 2012-08-21 2012-12-19 中兴通讯股份有限公司 Method and device for sharing tunnel load

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1909501A (en) * 2005-08-05 2007-02-07 华为技术有限公司 Method for end to end service rapid convergence and route device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1933448A (en) * 2006-08-17 2007-03-21 华为技术有限公司 Business fast convergent method and network equipment
CN101035019A (en) * 2007-01-12 2007-09-12 华为技术有限公司 Fast convergence method and device of the end-to-end service
US20110280121A1 (en) * 2010-05-12 2011-11-17 Cisco Technology, Inc. System and method for summarizing alarm indications in a network environment
CN102833161A (en) * 2012-08-21 2012-12-19 中兴通讯股份有限公司 Method and device for sharing tunnel load

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