CN101997723A - Service switching method and device - Google Patents
Service switching method and device Download PDFInfo
- Publication number
- CN101997723A CN101997723A CN2010105497845A CN201010549784A CN101997723A CN 101997723 A CN101997723 A CN 101997723A CN 2010105497845 A CN2010105497845 A CN 2010105497845A CN 201010549784 A CN201010549784 A CN 201010549784A CN 101997723 A CN101997723 A CN 101997723A
- Authority
- CN
- China
- Prior art keywords
- link
- default
- port
- ring network
- error protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a service switching method and device, belonging to the technical field of communications. The invention is used for avoiding the abnormal dittering of an Ethernet ring network line so as to avoid the frequent switching of Ethernet ring network service. The service switching method provided by the invention comprises the following steps of: when a link in the Ethernet ring network is determined to have a fault, monitoring the duration time of the fault; and when the time exceeds a preset time threshold, informing a main node in the Ethernet ring network of switching the service. The invention is used for carrying out link oscillation protection on the Ethernet ring network and reducing frequent service switching caused by link oscillation in the Ethernet ring network.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of business switch method and device.
Background technology
Along with the development of mechanics of communication, Ethernet more and more is applied in the construction of metropolitan area network and garden net because it is simple, cost is low and use characteristics such as extensive, to set up highly reliable elasticity ring network, is called for short ethernet ring network.
But; in existing Ethernet ring protection system; because the topological structure difference of each the bar link on the ethernet ring network; may cause some link of ethernet ring network unusual shake to occur; very fast again recovery is normal after promptly breaking down; thereby cause the frequent switching of Ethernet ring protection system, thereby cause ethernet ring network professional unstable whole ethernet ring network business.
In addition; because the real-time status of the pairing business of each node on the ethernet ring network; the urgency that the protection of Ethernet ring network system is switched requires inconsistent, and prior art can't satisfy this requirement, promptly can't carry out real-time guard targetedly to the ethernet ring network business.
Summary of the invention
The embodiment of the invention provides a kind of business switch method and device, in order to avoiding the unusual shake of ethernet ring network link, thereby avoids the frequent switching of ethernet ring network business.
A kind of business switch method that the embodiment of the invention provides comprises:
When the link occurs fault in definite ethernet ring network, the time that the monitoring fault continues;
When the described time surpasses default time threshold, notify the host node in the described ethernet ring network to carry out the business switching.
A kind of professional switching device shifter that the embodiment of the invention provides comprises:
Fault time, monitoring means was used for when determining the link occurs fault of ethernet ring network, the time that the monitoring fault continues;
The professional unit that is switched and determined is used for when the described time surpasses default time threshold, notifies the host node in the described ethernet ring network to carry out the business switching.
The embodiment of the invention, during by the link occurs fault in determining ethernet ring network, the time that the monitoring fault continues; When the time that fault continues surpasses default time threshold; host node in the notice ethernet ring network carries out business and switches; thereby can take place in the concussion by the link in ethernet ring network; whether the time that continues by the monitoring fault surpasses default time threshold; come the concussion link is protected, thereby reduce because the professional frequent handoff that the link concussion in the ethernet ring network causes.
Description of drawings
The schematic flow sheet of a kind of business switch method that Fig. 1 provides for the embodiment of the invention;
The networking schematic diagram of the too loop network link normal condition that Fig. 2 provides for the embodiment of the invention;
Processing schematic diagram during ethernet ring network link occurs fault that Fig. 3 provides for the embodiment of the invention;
Ethernet ring network link occurs fault that Fig. 4 provides for the embodiment of the invention and error protection time overtime the processing schematic diagram;
During ethernet ring network link failure that Fig. 5 provides for the embodiment of the invention to the process chart of error protection time timer;
Error protection time and service traffics dynamic linkage decision process schematic diagram that Fig. 6 provides for the embodiment of the invention;
Error protection time and the regular schematic diagram of unusual shake interlock that Fig. 7 provides for the embodiment of the invention;
The structural representation of a kind of professional switching device shifter that Fig. 8 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of business switch method and device, in order to avoid the unusual shake of ethernet ring network link, prevents the loop network link concussion, thereby avoids the professional frequent switching of ethernet ring network (abbreviation looped network).
In addition; the technical scheme that the embodiment of the invention provides; can also be according to the real-time status of each link on the looped network; the timing length of the error protection time timer of each port on the dynamic decision looped network; and, prevent the loop network link concussion and the looped network that causes is professional unstable and unreliable by inhibition to the unusual shake of looped network uplink.
Below in conjunction with accompanying drawing the technical scheme that the embodiment of the invention provides is described.
Referring to Fig. 1, a kind of business switch method that the embodiment of the invention provides comprises step:
When S101, the link occurs fault in determining ethernet ring network, the time that the monitoring fault continues;
S102, when the time that link failure continues surpasses default time threshold, the host node in the notice ethernet ring network carries out business switching.
Preferably, during described link occurs fault in determining ethernet ring network, the time that the monitoring fault continues, comprising:
When the link occurs fault in definite ethernet ring network, start the error protection time timer of the node port correspondence of faulty link.
Preferably, described when the described time surpasses default time threshold, the host node in the notice ethernet ring network carries out business and switches, and comprising:
When described error protection time timer is overtime, detect the state of described faulty link;
When described faulty link still is in malfunction, notify the host node in the described ethernet ring network to carry out the business switching.
Preferably, this method also comprises:
According to the default time period, each port is carried out traffic statistics;
When port flow surpasses default first flow threshold value, reduce the timing length of the error protection time timer of this port correspondence according to the first default step-length;
When port flow is lower than the second default flow threshold, increase the timing length of the error protection time timer of this port correspondence according to the second default step-length.
Wherein, the described first flow threshold value and second flow threshold can be same threshold values, also can be set to different threshold values respectively.
Described first step-length and second step-length can be same step-lengths, also can be set to different step-lengths respectively.
Described according to the default time period, each port is carried out the operation of traffic statistics, can be to carry out in the cycle, promptly carry out traffic statistics at set intervals, also can carry out in real time.
Preferably, this method also comprises:
According to the default time period, each port link corresponding is carried out number of stoppages statistics (being the number of times statistics of link flapping);
When the number of stoppages of link surpasses the first default frequency threshold value, increase the timing length of error protection time timer of the port correspondence of this link according to the 3rd default step-length;
When the number of stoppages of link is lower than the second default frequency threshold value, reduce the timing length of error protection time timer of the port correspondence of this link according to the 4th default step-length.
Preferably, when the described number of stoppages when link was lower than the second default frequency threshold value, this method also comprised:
Utilize the number of stoppages of current statistics, upgrade described second frequency threshold value.
Wherein, described first frequency threshold value and second frequency threshold value can be set to same threshold value, also can be set to two different threshold values respectively.
Described the 3rd step-length and the 4th step-length also can be set to same step-length, also can be set to different step-lengths respectively.
Described according to the default time period, each port link corresponding is carried out the operation of number of stoppages statistics, can be to carry out in the cycle, promptly statistics once also can be carried out in real time at set intervals.
At each port; can (each configuring ports of each node in the ethernet ring network can be identical according to this configuring ports; also can be different); independently carry out the operation of above-mentioned traffic statistics and/or link failure number of times statistics; thereby realization makes it to meet more the actual demand of ethernet ring network to the dynamic adjustment of the timing length of the error protection time timer of each port correspondence.
In sum, the embodiment of the invention is after having set up ethernet ring network, for each node that adds on the looped network, at each the port arrangement one error protection time timer that belongs on the looped network.If certain section link occurs fault on the looped network; then one or two port of this both link ends correspondence starts error protection time timer separately respectively; this timer can carry out timing according to the timing length that is disposed (being the error protection time), judges whether to have surpassed the error protection time.In a single day the pairing error protection time timer of the port at faulty link two ends judges that the error protection time is overtime; if and this moment, this section link still was in malfunction; then this this link of port final decision breaks down; stop the timer timing; and link failure appears in notice port place this section of node link; this port place node then produces link failure message informing ring network host node looped network and breaks down, and the request looped network is professional to be switched.
Further; each port on each node of adding looped network; all the port is carried out traffic statistics; according to present port flow to port error protection time link (timing length of promptly adjusting the error protection time timer of this port correspondence) according to port flow; if flow is bigger than normal; then the port failure guard time can be reduced,, then the port error protection time can be prolonged if flow is less than normal.
Perhaps, further, for each port of each node that adds looped network; port place link is carried out unusual jittering counting; for example, if 100 milliseconds (ms) time period in the shake number of times of link surpass the unusual jittering counting threshold value of setting, then can prolong the port error protection time.
Below in conjunction with specific embodiment the technical scheme that the embodiment of the invention provides is described in further detail.
Structure looped network as shown in Figure 2, this looped network has 5 nodes, is respectively A1, A2, A3, A4, A5.Wherein, specified node A1 is a host node in advance, and remaining A2-A5 is from node.The A1-2 port of host node can block at the business that looped network needs protection, and prevents network Cheng Huan.
When the looped network operate as normal; as shown in Figure 2; master port A1-1 to host node is provided with the error protection time (i.e. Yu She time threshold); equally on the looped network other add the same config failure guard time of port of looped network from node; the error protection time can all be initially set to 100ms; follow-up can making amendment by configuration order, the modification scope is between 0-1000ms.
When looped network section link occurs fault, as shown in Figure 3, link occurs fault between port A3-2 and the port A4-1, this moment, port A3-2 and port A4-1 can both detect link failure respectively, with port A3-2 is example, describe the operation principle of the embodiment of the invention, the handling process of the handling process of port A4-1 and port A3-2 in like manner.
When port A3-2 detects this port link corresponding fault; can start the error protection time timer of this port; error protection time timer at port A3-2 does not arrive the error protection time; promptly do not have overtime the time; port A3-2 will can not carry out any action, and looped network still keeps original state.
When the error protection time timer of port A3-2 arrives the error protection of configuration after the time; port A3-2 can cut off this error protection time timer; and detect this link and whether still be in malfunction; if this link recovers; then because port A3-2 does not carry out malfunction setting (promptly not notifying this port place node generation link failure); then this moment, looped network still was in as shown in Figure 2 normal condition, and the looped network business recovery is normal.
If port A3-2 still detects link failure after the error protection time timer is overtime; as shown in Figure 4; then notify A3 node port A3-2 pairing link occurs fault; this moment, the A3 node was received the link failure message of port A3-2 notice; then send link failure message informing node A1 (host node just), host node A1 receives the link failure message that A3 sends over, and learns loop fault; beginning is professional switches, thereby the guard ring network service does not interrupt.
Fig. 5 has described in the looped network node to the handling process of error protection time.Each port in the node on the ethernet ring network is when detecting self link corresponding fault, at first to start the error protection time timer, it is overtime to work as timer detection failure guard time then, whether still this port can detect this port place link fault once more, if be in malfunction then notify the pairing link of this port of node to break down, by the node processing failure message; If link failure recovery then finishes, do not need to notify the node link failure.
Fig. 6 has described the decision process of error protection time and the interlock of looped network service traffics.If disposed after the rule of ring network fault guard time and service traffics interlock; the ring network fault guard time then can obtain the service traffics at this port place with the regular hour section; then according to the rule of setting; for example on the minimum flow of 1G; the service traffics of every increase 100M; then the error protection time will reduce 10ms; the service traffics of every minimizing 100M; then the error protection time will increase 10ms; like this; the error protection time will dynamically be adjusted according to real-time service traffics, can reach according to service traffics to come purpose that the looped network service port is protected.
Fig. 7 has described the interlock rule that ring network fault guard time and loop network link are shaken number of times unusually.If disposed the interlock rule that ring network fault guard time and loop network link are shaken number of times unusually; then the looped network port can carry out jittering counting to this port place link in the regular hour section; if the shake number of times surpasses preset threshold; then can increase the error protection time, if constant, it is constant then to keep the current error protection time; if less than threshold value; then replace original threshold value, count, and reduce the error protection time according to rule with current counting.For example, when carrying out jittering counting at every turn, the link flapping number of times in statistics 10ms or the 100ms; if the shake number of times of port place link surpasses 100; then increase by 10% error protection time, if the shake number of times of port place link then reduces by 10% error protection time less than 100.
Referring to Fig. 8, a kind of professional switching device shifter that the embodiment of the invention provides comprises:
Fault time, monitoring means 101, were used for when determining the link occurs fault of ethernet ring network the time that the monitoring fault continues.
The professional unit 102 that is switched and determined is used for when the described time surpasses default time threshold, notifies the host node in the described ethernet ring network to carry out the business switching.
Preferably, described fault time, monitoring means 101, during link occurs fault in determining ethernet ring network, started the error protection time timer of the node port correspondence of faulty link.
Preferably, the described professional unit 102 that is switched and determined when described error protection time timer is overtime, detects the state of described faulty link; When described faulty link still is in malfunction, notify the host node in the described ethernet ring network to carry out the business switching.
Preferably, this device also comprises:
Traffic statistics processing unit 103 was used for according to the default time period, and each port of described device is carried out traffic statistics; When port flow surpasses default first flow threshold value, reduce the timing length of the error protection time timer of this port correspondence according to the first default step-length; When port flow is lower than the second default flow threshold, increase the timing length of the error protection time timer of this port correspondence according to the second default step-length.
Preferably, this device also comprises:
Shake statistical disposition unit 104 was used for according to the default time period, and each port link corresponding of described device is carried out number of stoppages statistics; When the number of stoppages of link surpasses the first default frequency threshold value, increase the timing length of error protection time timer of the port correspondence of this link according to the 3rd default step-length; When the number of stoppages of link is lower than the second default frequency threshold value, reduce the timing length of error protection time timer of the port correspondence of this link according to the 4th default step-length.
Preferably, when the number of stoppages of link was lower than the second default frequency threshold value, described shake statistical disposition unit 104 further utilized the number of stoppages of current statistics, upgrades described second frequency threshold value.
Preferably, described device is the node in the ethernet ring network.
Preferably, traffic statistics processing unit 103 and shake statistical disposition unit 104 can be arranged in a device simultaneously, and traffic statistics processing unit 103 or shake statistical disposition unit 104 also can be set in same device.
In sum; the embodiment of the invention; each node port all is provided with the corresponding error protection time on the ethernet ring network; in case this port detects this port link corresponding and breaks down, and then can start timer, if timer has arrived the error protection time; this moment, link did not still recover; then judge link failure, reporting links failure message, looped network carry out business and switch.That is to say; the embodiment of the invention has proposed the notion of error protection time; can suppress professional frequent switching of looped network that the link concussion brings by the port failure guard time; can prevent the link concussion; thereby solve because the loop network link concussion causes professional frequent problem of interrupting, thereby guarantee the stability and the reliability of looped network business.
And; further; the error protection time can dynamically be adjusted; i.e. interlock of shaking number of times unusually by service traffics and link on ring network fault guard time and the looped network; rule is dynamically adjusted the ring network fault guard time by linking; come purpose that the looped network business is protected thereby can reach, can better solve professional instability and unreliability that the looped network concussion brings according to the real-time status of looped network.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a business switch method is characterized in that, this method comprises:
When the link occurs fault in definite ethernet ring network, the time that the monitoring fault continues;
When the described time surpasses default time threshold, notify the host node in the described ethernet ring network to carry out the business switching.
2. method according to claim 1 is characterized in that, during described link occurs fault in determining ethernet ring network, the time that the monitoring fault continues, comprising:
When the link occurs fault in definite ethernet ring network, start the error protection time timer of the node port correspondence of faulty link;
Described when the described time surpasses default time threshold, notify the host node in the described ethernet ring network to carry out the business switching, comprising:
When described error protection time timer is overtime, detect the state of described faulty link;
When described faulty link still is in malfunction, notify the host node in the described ethernet ring network to carry out the business switching.
3. method according to claim 2 is characterized in that, this method also comprises:
According to the default time period, each port is carried out traffic statistics;
When port flow surpasses default first flow threshold value, reduce the timing length of the error protection time timer of this port correspondence according to the first default step-length;
When port flow is lower than the second default flow threshold, increase the timing length of the error protection time timer of this port correspondence according to the second default step-length.
4. method according to claim 2 is characterized in that, this method also comprises:
According to the default time period, each port link corresponding is carried out number of stoppages statistics;
When the number of stoppages of link surpasses the first default frequency threshold value, increase the timing length of error protection time timer of the port correspondence of this link according to the 3rd default step-length;
When the number of stoppages of link is lower than the second default frequency threshold value, reduce the timing length of error protection time timer of the port correspondence of this link according to the 4th default step-length.
5. method according to claim 4 is characterized in that, when the described number of stoppages when link was lower than the second default frequency threshold value, this method also comprised:
Utilize the number of stoppages of current statistics, upgrade described second frequency threshold value.
6. a professional switching device shifter is characterized in that, this device comprises:
Fault time, monitoring means was used for when determining the link occurs fault of ethernet ring network, the time that the monitoring fault continues;
The professional unit that is switched and determined is used for when the described time surpasses default time threshold, notifies the host node in the described ethernet ring network to carry out the business switching.
7. device according to claim 6 is characterized in that, described fault time, monitoring means during link occurs fault in determining ethernet ring network, started the error protection time timer of the node port correspondence of faulty link;
The described professional unit that is switched and determined when described error protection time timer is overtime, detects the state of described faulty link; When described faulty link still is in malfunction, notify the host node in the described ethernet ring network to carry out the business switching.
8. device according to claim 7 is characterized in that, this device also comprises:
The traffic statistics processing unit was used for according to the default time period, and each port of described device is carried out traffic statistics; When port flow surpasses default first flow threshold value, reduce the timing length of the error protection time timer of this port correspondence according to the first default step-length; When port flow is lower than the second default flow threshold, increase the timing length of the error protection time timer of this port correspondence according to the second default step-length.
9. device according to claim 7 is characterized in that, this device also comprises:
Shake statistical disposition unit was used for according to the default time period, and each port link corresponding of described device is carried out number of stoppages statistics; When the number of stoppages of link surpasses the first default frequency threshold value, increase the timing length of error protection time timer of the port correspondence of this link according to the 3rd default step-length; When the number of stoppages of link is lower than the second default frequency threshold value, reduce the timing length of error protection time timer of the port correspondence of this link according to the 4th default step-length.
10. device according to claim 9 is characterized in that, when the number of stoppages of link was lower than the second default frequency threshold value, described shake statistical disposition unit further utilized the number of stoppages of current statistics, upgrades described second frequency threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105497845A CN101997723A (en) | 2010-11-18 | 2010-11-18 | Service switching method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105497845A CN101997723A (en) | 2010-11-18 | 2010-11-18 | Service switching method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101997723A true CN101997723A (en) | 2011-03-30 |
Family
ID=43787357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105497845A Pending CN101997723A (en) | 2010-11-18 | 2010-11-18 | Service switching method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101997723A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539505A (en) * | 2015-01-15 | 2015-04-22 | 盛科网络（苏州）有限公司 | EAPS method and system for achieving automatic switching through error message statistics |
| CN104579794A (en) * | 2015-01-27 | 2015-04-29 | 杭州华三通信技术有限公司 | Query device fault detection method and device |
| CN105721304A (en) * | 2016-04-05 | 2016-06-29 | 网宿科技股份有限公司 | Adaptive routing adjustment method and system and service device |
| CN106341291A (en) * | 2016-09-08 | 2017-01-18 | 北京小米移动软件有限公司 | Test method of network connection stability and apparatus thereof |
| CN109412567A (en) * | 2018-12-28 | 2019-03-01 | 上海南芯半导体科技有限公司 | A kind of guard method of device for power switching failure process |
| CN110611584A (en) * | 2019-08-21 | 2019-12-24 | 北京国电通网络技术有限公司 | Optimization method and device for protection switching |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004032147A (en) * | 2002-06-24 | 2004-01-29 | Hitachi Ltd | Loop network controller |
| CN101072154A (en) * | 2007-03-02 | 2007-11-14 | 中兴通讯股份有限公司 | Loop Ethernet switching method |
| CN101141364A (en) * | 2006-09-07 | 2008-03-12 | 华为技术有限公司 | Method and device for implementing protection rearrangement in ring ethernet |
| CN101459549A (en) * | 2007-12-14 | 2009-06-17 | 华为技术有限公司 | Link failure processing method and data forwarding device |
| CN101651570A (en) * | 2009-09-15 | 2010-02-17 | 中兴通讯股份有限公司 | Method and device for improving stability of network equipment |
| CN101686158A (en) * | 2008-09-22 | 2010-03-31 | 中兴通讯股份有限公司 | Control method for Ethernet loop guard fault recovery and Ethernet loop node |
-
2010
- 2010-11-18 CN CN2010105497845A patent/CN101997723A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004032147A (en) * | 2002-06-24 | 2004-01-29 | Hitachi Ltd | Loop network controller |
| CN101141364A (en) * | 2006-09-07 | 2008-03-12 | 华为技术有限公司 | Method and device for implementing protection rearrangement in ring ethernet |
| CN101072154A (en) * | 2007-03-02 | 2007-11-14 | 中兴通讯股份有限公司 | Loop Ethernet switching method |
| CN101459549A (en) * | 2007-12-14 | 2009-06-17 | 华为技术有限公司 | Link failure processing method and data forwarding device |
| CN101686158A (en) * | 2008-09-22 | 2010-03-31 | 中兴通讯股份有限公司 | Control method for Ethernet loop guard fault recovery and Ethernet loop node |
| CN101651570A (en) * | 2009-09-15 | 2010-02-17 | 中兴通讯股份有限公司 | Method and device for improving stability of network equipment |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539505A (en) * | 2015-01-15 | 2015-04-22 | 盛科网络（苏州）有限公司 | EAPS method and system for achieving automatic switching through error message statistics |
| CN104579794A (en) * | 2015-01-27 | 2015-04-29 | 杭州华三通信技术有限公司 | Query device fault detection method and device |
| CN104579794B (en) * | 2015-01-27 | 2019-02-19 | 新华三技术有限公司 | Query facility fault detection method and device |
| CN105721304A (en) * | 2016-04-05 | 2016-06-29 | 网宿科技股份有限公司 | Adaptive routing adjustment method and system and service device |
| CN106341291A (en) * | 2016-09-08 | 2017-01-18 | 北京小米移动软件有限公司 | Test method of network connection stability and apparatus thereof |
| CN106341291B (en) * | 2016-09-08 | 2019-11-15 | 北京小米移动软件有限公司 | It is connected to the network the test method and device of stability |
| CN109412567A (en) * | 2018-12-28 | 2019-03-01 | 上海南芯半导体科技有限公司 | A kind of guard method of device for power switching failure process |
| CN110611584A (en) * | 2019-08-21 | 2019-12-24 | 北京国电通网络技术有限公司 | Optimization method and device for protection switching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8971337B2 (en) | Packet relay device | |
| CN101997723A (en) | Service switching method and device | |
| CN100479434C (en) | Method and system for realizing virtual router redundant protocol master and standby equipment switching | |
| US8811154B2 (en) | Packet forwarding system, packet forwarding device, proxy device, computer readable medium storing program, and control method of packet forwarding device | |
| CN100466584C (en) | Processing method for loop network protection | |
| JP5534026B2 (en) | Communication system control method, communication system, and communication apparatus | |
| EP2720418A1 (en) | Lacp link switching and data transmission method and device | |
| CN101399737A (en) | Protection method and apparatus used for link convergence group of loop Ethernet | |
| CN101060485B (en) | Topology changed messages processing method and processing device | |
| RU2505933C2 (en) | Ethernet switch ring protection method and transit node | |
| CN102025562A (en) | Path detection method and device | |
| JP2006229477A (en) | Failure detector | |
| US10911295B2 (en) | Server apparatus, cluster system, cluster control method and program | |
| CN101015176A (en) | Failure recovery method, network device, and program | |
| EP2632081A1 (en) | Path switch-back method and apparatus in transport network | |
| JP5170001B2 (en) | Node device, processing unit, and control frame processing method | |
| CN106656791A (en) | Device state switching method, device and system | |
| CN101790110B (en) | Device and method for coordinating and recovering automatic protection switching operation | |
| EP1940091B1 (en) | Autonomous network, node device, network redundancy method and recording medium | |
| CN106789521A (en) | A kind of ring network fault reverse method and link point | |
| EP2469769B1 (en) | Method and system for updating blocked port information | |
| CN104065546A (en) | Ethernet protection switching method | |
| CN102724695A (en) | Wireless controller heat backup switching method, wireless controller heat backup switching device and wireless controller | |
| CN104135417A (en) | Quick recovery method for ethernet ring network link interruption and corresponding ethernet ring network | |
| CN102857316A (en) | Method and system for realizing source looped network protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |