CN106230650A - SDN Overlay network fault positioning system and method - Google Patents
SDN Overlay network fault positioning system and method Download PDFInfo
- Publication number
- CN106230650A CN106230650A CN201610873303.3A CN201610873303A CN106230650A CN 106230650 A CN106230650 A CN 106230650A CN 201610873303 A CN201610873303 A CN 201610873303A CN 106230650 A CN106230650 A CN 106230650A
- Authority
- CN
- China
- Prior art keywords
- controller
- flow
- branch road
- flow value
- overlay network
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
Abstract
The present invention relates to a kind of SDN Overlay network fault positioning system, including controller and several forwarding router, described controller is for initiating the flow monitoring in the whole network path, and the node broken down is determined according to the flow value of each branch road, each described forwarding router for providing the flow value of each branch road to described controller；Further relate to a kind of SDN Overlay network failure locating method, controller initiate the flow monitoring in the whole network path, each forwarding router the flow value of each branch road is provided to described controller；Determine, according to abnormal flow point, the node broken down by controller.Have employed the system and method in this invention, the means investigating fault in virtual network are provided the user, for the problem that virtual network topology and actual network element are the most corresponding, by utilizing the overhead byte of existing network message, the system not changing existing network management just can position malfunctioning node position.
Description
Technical field
The present invention relates to technical field of the computer network, particularly to network failure field of locating technology, specifically refer to one
Plant SDN Overlay network fault positioning system and method.
Background technology
Network fault influence network system properly functioning, and cause the reason of network failure intricate and can not keep away
Exempt from, such as configuration error, fibercuts, switching equipment instability, malicious attack, maloperation, accident power-off etc..SDN(Software
Defined Network, software defined network) Overlay Virtual LAN Technique is a kind of new network technology, cannot avoid equally
The generation of various network failures, and owing to the complexity of Virtual LAN Technique is also possible to introduce increasingly complex network failure, example
As empty machine is hung up, virtual router mistake etc., owing to virtual network is the most not corresponding with physical network, causes determining of fault
Position is more difficult.Therefore to make virtual net system stable operation, it is necessary to virtual net fault is carried out quick detection and accurately determines
Position, thus provide for fault restoration and support.
The detection of network failure at present is mainly completed by upper strata Routing Protocol, can not if detected between router
Reach, then avoid trouble point by rerouting mechanism.Fault location is then mainly also dependent on artificial hand section, largely depends on
Rely the experience in network manager, the most rapidly locating network fault point, the most just become assessment network manager's ability
One important indicator.And for webmaster, fault point is not an easy thing, mainly include Ping target
Address, check router display lamp on the spot, carry out the means such as routing device outward appearance identification.The said method requirement to technical staff
Higher, easily cause network large area to paralyse under extreme case, cause serious consequence.And for virtual net, except
Contingent fault type in legacy network, it is also possible to be that virtual net builds the virtual unit event produced in correlated process
Barrier, if still using the troubleshooting mechanisms of original legacy network, just has higher requirement to network manager, it is also possible to
Network can be caused even more serious impact.This is just in the urgent need to proposing a kind of complete for the feature of virtual net, technical conditions etc.
New malfunction elimination method.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that one is capable of not being only user and carries
Supply in virtual network, investigate the means of fault and the most easily implemented, network manager is not had more technology requirement
SDN Overlay network fault positioning system and method.
To achieve these goals, SDN Overlay network fault positioning system and the method for the present invention are as follows:
This SDN Overlay network fault positioning system, it is mainly characterized by, and described system includes: controller sum
Each and every one forwarding router, described controller is for initiating the flow monitoring in the whole network path, and the flow value according to each branch road is true
Surely the node broken down, each described forwarding router for providing the flow value of each branch road to described controller.
It is preferred that described controller is different with relatively determining of systemic presupposition normality value in order to the flow value according to each branch road
Normal flow point.
More preferably, described controller is also in order to add up the flow value of branch road identical for address, two ends as this branch road
Total flow value.
The present invention's is somebody's turn to do SDN Overlay network failure locating method based on above-mentioned system, and it is mainly characterized by, institute
The method stated comprises the following steps:
(1) flow monitoring in the whole network path initiated by the controller described in；
(2) each described forwarding router provides the flow value of each branch road to described controller；
(3) controller described in determines, according to abnormal flow point, the node broken down.
It is preferred that described step (1) comprises the following steps:
(1-1) controller described in judges whether target according to the topological structure of SDN Overlay network virtual layer
Flow；
If (1-2) there is target flow, then described controller to target flow each forwarding router of process initiate
Flow monitoring order.
It is preferred that described step (2) comprises the following steps:
(2-1) after each described forwarding router receives monitoring order, by the flow of the data that each branch road is transmitted
Value record is in the reserved field of outer layer；
(2-2) flow value of labelling is fed back to described controller by each described forwarding router.
It is preferred that described step (3) comprises the following steps:
(3-1) flow value of the branch road each to the whole network of the controller described in is added up；
(3-2) controller described in is analyzed the flow value of each branch road and determines the node broken down.
More preferably, described step (3-1) comprises the following steps:
(3-1-1) controller described in is according to the address at each branch road two ends, the flow value of record respective branch；
(3-1-2) flow value of branch road identical for address, two ends is added up by the controller described in, as respective branch
On total flow value.
More preferably, described step (3-2) comprises the following steps:
(3-2-1) the uninterrupted value of each branch road is compared by the controller described in systemic presupposition normality value, determines
The branch road of Traffic Anomaly；
(3-2-2) topological structure according to the whole network of the controller described in and the flow value of statistics, determine sending out of abnormal flow
The route-map at the two ends of raw point and its correspondence；
(3-2-3) controller described in, according to the route-map of abnormal flow point He the two ends of its correspondence, determines generation
The node of fault.
It is preferred that the front step (0) that also includes of described step (1):
(0) controller described in, according to the flow value in each path of the whole network under normality, sets up flow normality value storehouse.
Have employed the SDN Overlay network fault positioning system in this invention and method, not only provided the user
Virtual network is investigated the means of fault, and the most easily implements, network manager is not had more technology requirement；The method
Fully utilized software function, it is achieved cost is reasonable, application process is easy, provides effective measures for virtual network fault location；
For the problem that virtual network topology and actual network element are the most corresponding, by utilizing the overhead byte of existing network message, do not change
The system of existing network management, the malfunctioning node position of simple and quick location virtual network.
Accompanying drawing explanation
Fig. 1 is a kind of SDN Overlay network failure locating method flow chart of the present invention.
Fig. 2 is the particular flow sheet that the path flow detection of the whole network initiated by the controller in the present invention.
Fig. 3 is the particular flow sheet that the flow of the branch road each to the whole network of the controller in the present invention is added up.
Fig. 4 is the flow chart that the controller in the present invention determines the node broken down according to full mesh topology structure.
Detailed description of the invention
In order to more clearly describe the technology contents of the present invention, carry out further below in conjunction with specific embodiment
Describe.
This SDN Overlay network fault positioning system, it is characterised in that described system includes: controller and several
Individual forwarding router, described controller is for initiating the flow monitoring in the whole network path, and determines according to the flow value of each branch road
The node broken down, each described forwarding router for providing the flow value of each branch road to described controller.
In one preferably embodiment, as it is shown on figure 3, the flow of described controller branch road each to the whole network is united
Meter includes: controller carries out record according to the address at each branch road two ends, the uninterrupted information of this branch road；Controller is by ground, two ends
The flow of the branch road that location is identical adds up, and adds up the total flow size on this branch road.
Also include a kind of a kind of SDN Overlay network failure location side based on described system based on this system
Method, it is characterised in that described method comprises the following steps:
(1) flow monitoring in the whole network path initiated by the controller described in, specifically includes following steps:
(1-1) controller described in judges whether target according to the topological structure of SDN Overlay network virtual layer
Flow；
If (1-2) there is target flow, then described controller to target flow each forwarding router of process initiate
Flow monitoring order；
(2) each described forwarding router provides the flow value of each branch road to described controller, specifically includes following step
Rapid:
(2-1) after each described forwarding router receives monitoring order, by the flow of the data that each branch road is transmitted
Value record is in the reserved field of outer layer；
(2-2) flow value of labelling is fed back to described controller by each described forwarding router；
(3) controller described in determines, according to abnormal flow point, the node broken down, and specifically includes following steps:
(3-1) flow value of the branch road each to the whole network of the controller described in is added up；Specifically include following steps:
(3-1-1) controller described in is according to the address at each branch road two ends, the flow value of record respective branch；
(3-1-2) flow value of branch road identical for address, two ends is added up by the controller described in, as respective branch
On total flow value；
(3-2) controller described in is analyzed the flow value of each branch road and determines the node broken down, and specifically includes following
Step:
(3-2-1) the uninterrupted value of each branch road is compared by the controller described in systemic presupposition normality value, determines
The branch road of Traffic Anomaly；
(3-2-2) topological structure according to the whole network of the controller described in and the flow value of statistics, determine sending out of abnormal flow
The route-map at the two ends of raw point and its correspondence；
(3-2-3) controller described in, according to the route-map of abnormal flow point He the two ends of its correspondence, determines generation
The node of fault.
In one preferably embodiment, the front step (0) that can also include of described step (1):
(0) controller described in, according to the flow value in each path of the whole network under normality, sets up flow normality value storehouse.
In a specific embodiment, as it is shown in figure 1, controller is according to the topology of SDN Overlay network virtual layer
Structure, when there being objective network flow, is initiated the flow monitoring in the whole network path simultaneously, each forwarding router is utilized outer layer message
The uninterrupted of each branch road is made marks by the reserved field of head；Each branch road router is by anti-for the uninterrupted of each branch road monitored
Being fed to controller, controller path flow each to the whole network is added up, and according to the uninterrupted situation in each path of the whole network, finds out
The route-map at the branch road two ends that flow is bigger, determines the node broken down according to full mesh topology structure.
As in figure 2 it is shown, the path flow monitoring that the whole network initiated by described controller includes: controller is to target data institute warp
The forwarding router crossed initiates traffic probe order；After forwarding router receives probe command, the data traffic that will be transmitted
In the reserved field of big small records layer outside.
As it is shown on figure 3, the flow of described controller branch road each to the whole network carries out statistics and includes: controller is according to each branch road
The address at two ends, the uninterrupted information of this branch road carries out record；The flow of branch road identical for address, two ends is carried out by controller
Cumulative, add up the total flow size on this branch road.
As shown in Figure 4, according to full mesh topology structure, described controller determines that the node broken down includes: controller root
According to the topological structure of the whole network and the flow information of each route branch road of statistics, determine the generation point of abnormal flow；According to exception
The route-map at the two ends of flow point and its correspondence, determines the node broken down.
Have employed the SDN Overlay network fault positioning system in this invention and method, not only provided the user
Virtual network is investigated the means of fault, and the most easily implements, network manager is not had more technology requirement.The method
Fully utilized software function, it is achieved cost is reasonable, application process is easy, provides effective measures for virtual network fault location；
For the problem that virtual network topology and actual network element are the most corresponding, by utilizing the overhead byte of existing network message, do not change
The system of existing network management, the malfunctioning node position of simple and quick location virtual network.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that still may be made that
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings is considered as illustrative
And it is nonrestrictive.
Claims (10)
1. a SDN Overlay network fault positioning system, it is characterised in that described system includes: controller and several
Individual forwarding router, described controller is for initiating the flow monitoring in the whole network path, and determines according to the flow value of each branch road
The node broken down, each described forwarding router for providing the flow value of each branch road to described controller.
SDN Overlay network fault positioning system the most according to claim 1, it is characterised in that described controller
Abnormal flow point is relatively determined in order to the flow value according to each branch road and systemic presupposition normality value.
SDN Overlay network fault positioning system the most according to claim 2, it is characterised in that described controller
Also in order to using cumulative for the flow value of branch road identical for address, the two ends total flow value as this branch road.
4. a SDN Overlay network failure locating method based on the system described in claim 1, it is characterised in that institute
The method stated comprises the following steps:
(1) flow monitoring in the whole network path initiated by the controller described in；
(2) each described forwarding router provides the flow value of each branch road to described controller；
(3) controller described in determines, according to abnormal flow point, the node broken down.
SDN Overlay network failure locating method the most according to claim 4, it is characterised in that described step (1)
Comprise the following steps:
(1-1) controller described in judges whether target flow according to the topological structure of SDN Overlay network virtual layer；
If (1-2) there is target flow, then described controller to target flow each forwarding router of process initiate flow
Monitoring order.
SDN Overlay network failure locating method the most according to claim 4, it is characterised in that described step (2)
Comprise the following steps:
(2-1) after each described forwarding router receives monitoring order, the flow value note of the data that each branch road is transmitted
Record is in the reserved field of outer layer；
(2-2) flow value of labelling is fed back to described controller by each described forwarding router.
SDN Overlay network failure locating method the most according to claim 4, it is characterised in that described step (3)
Comprise the following steps:
(3-1) flow value of the branch road each to the whole network of the controller described in is added up；
(3-2) controller described in is analyzed the flow value of each branch road and determines the node broken down.
SDN Overlay network failure locating method the most according to claim 7, it is characterised in that described step (3-
1) comprise the following steps:
(3-1-1) controller described in is according to the address at each branch road two ends, the flow value of record respective branch；
(3-1-2) flow value of branch road identical for address, two ends is added up by the controller described in, as in respective branch
Total flow value.
SDN Overlay network failure locating method the most according to claim 7, it is characterised in that described step (3-
2) comprise the following steps:
(3-2-1) the uninterrupted value of each branch road is compared by the controller described in systemic presupposition normality value, determines flow
Abnormal branch road；
(3-2-2) topological structure according to the whole network of the controller described in and the flow value of statistics, determine the generation point of abnormal flow
Route-map with the two ends of its correspondence；
(3-2-3) controller described in, according to the route-map of abnormal flow point He the two ends of its correspondence, determines and breaks down
Node.
SDN Overlay network failure locating method the most according to claim 4, it is characterised in that described step
(1) front further comprising the steps of:
(0) controller described in, according to the flow value in each path of the whole network under normality, sets up flow normality value storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873303.3A CN106230650A (en) | 2016-09-30 | 2016-09-30 | SDN Overlay network fault positioning system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873303.3A CN106230650A (en) | 2016-09-30 | 2016-09-30 | SDN Overlay network fault positioning system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106230650A true CN106230650A (en) | 2016-12-14 |
Family
ID=58076616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873303.3A Pending CN106230650A (en) | 2016-09-30 | 2016-09-30 | SDN Overlay network fault positioning system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106230650A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111835725A (en) * | 2020-06-12 | 2020-10-27 | 北京邮电大学 | Network attack coping method for SDN controller cluster |
| US20210377156A1 (en) * | 2017-01-31 | 2021-12-02 | Vmware, Inc. | High performance software-defined core network |
| US11637768B2 (en) | 2021-05-03 | 2023-04-25 | Vmware, Inc. | On demand routing mesh for routing packets through SD-WAN edge forwarding nodes in an SD-WAN |
| US11706127B2 (en) | 2017-01-31 | 2023-07-18 | Vmware, Inc. | High performance software-defined core network |
| US11706126B2 (en) | 2017-01-31 | 2023-07-18 | Vmware, Inc. | Method and apparatus for distributed data network traffic optimization |
| US11709710B2 (en) | 2020-07-30 | 2023-07-25 | Vmware, Inc. | Memory allocator for I/O operations |
| US11716286B2 (en) | 2019-12-12 | 2023-08-01 | Vmware, Inc. | Collecting and analyzing data regarding flows associated with DPI parameters |
| US11722925B2 (en) | 2020-01-24 | 2023-08-08 | Vmware, Inc. | Performing service class aware load balancing to distribute packets of a flow among multiple network links |
| US11729065B2 (en) | 2021-05-06 | 2023-08-15 | Vmware, Inc. | Methods for application defined virtual network service among multiple transport in SD-WAN |
| US11792127B2 (en) | 2021-01-18 | 2023-10-17 | Vmware, Inc. | Network-aware load balancing |
| US11804988B2 (en) | 2013-07-10 | 2023-10-31 | Nicira, Inc. | Method and system of overlay flow control |
| US11831414B2 (en) | 2019-08-27 | 2023-11-28 | Vmware, Inc. | Providing recommendations for implementing virtual networks |
| US11855805B2 (en) | 2017-10-02 | 2023-12-26 | Vmware, Inc. | Deploying firewall for virtual network defined over public cloud infrastructure |
| US11894949B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Identifying multiple nodes in a virtual network defined over a set of public clouds to connect to an external SaaS provider |
| US11895194B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Layer four optimization for a virtual network defined over public cloud |
| US11902086B2 (en) | 2017-11-09 | 2024-02-13 | Nicira, Inc. | Method and system of a dynamic high-availability mode based on current wide area network connectivity |
| US11909815B2 (en) | 2022-06-06 | 2024-02-20 | VMware LLC | Routing based on geolocation costs |
| US11929903B2 (en) | 2020-12-29 | 2024-03-12 | VMware LLC | Emulating packet flows to assess network links for SD-WAN |
| US11943146B2 (en) | 2021-10-01 | 2024-03-26 | VMware LLC | Traffic prioritization in SD-WAN |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640612A (en) * | 2009-09-07 | 2010-02-03 | 杭州华三通信技术有限公司 | Method and device for flow path discovery and fault fast positioning |
| CN104683333A (en) * | 2015-02-10 | 2015-06-03 | 国都兴业信息审计系统技术（北京）有限公司 | Method for implementing abnormal traffic interception based on SDN |
| CN105978741A (en) * | 2016-07-15 | 2016-09-28 | 清华大学深圳研究生院 | Network fault handling method and system |
| US20160285750A1 (en) * | 2015-03-23 | 2016-09-29 | Brocade Communications Systems, Inc. | Efficient topology failure detection in sdn networks |
-
2016
- 2016-09-30 CN CN201610873303.3A patent/CN106230650A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640612A (en) * | 2009-09-07 | 2010-02-03 | 杭州华三通信技术有限公司 | Method and device for flow path discovery and fault fast positioning |
| CN104683333A (en) * | 2015-02-10 | 2015-06-03 | 国都兴业信息审计系统技术（北京）有限公司 | Method for implementing abnormal traffic interception based on SDN |
| US20160285750A1 (en) * | 2015-03-23 | 2016-09-29 | Brocade Communications Systems, Inc. | Efficient topology failure detection in sdn networks |
| CN105978741A (en) * | 2016-07-15 | 2016-09-28 | 清华大学深圳研究生院 | Network fault handling method and system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11804988B2 (en) | 2013-07-10 | 2023-10-31 | Nicira, Inc. | Method and system of overlay flow control |
| US11706127B2 (en) | 2017-01-31 | 2023-07-18 | Vmware, Inc. | High performance software-defined core network |
| US20210377156A1 (en) * | 2017-01-31 | 2021-12-02 | Vmware, Inc. | High performance software-defined core network |
| US11706126B2 (en) | 2017-01-31 | 2023-07-18 | Vmware, Inc. | Method and apparatus for distributed data network traffic optimization |
| US11700196B2 (en) * | 2017-01-31 | 2023-07-11 | Vmware, Inc. | High performance software-defined core network |
| US11894949B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Identifying multiple nodes in a virtual network defined over a set of public clouds to connect to an external SaaS provider |
| US11895194B2 (en) | 2017-10-02 | 2024-02-06 | VMware LLC | Layer four optimization for a virtual network defined over public cloud |
| US11855805B2 (en) | 2017-10-02 | 2023-12-26 | Vmware, Inc. | Deploying firewall for virtual network defined over public cloud infrastructure |
| US11902086B2 (en) | 2017-11-09 | 2024-02-13 | Nicira, Inc. | Method and system of a dynamic high-availability mode based on current wide area network connectivity |
| US11831414B2 (en) | 2019-08-27 | 2023-11-28 | Vmware, Inc. | Providing recommendations for implementing virtual networks |
| US11716286B2 (en) | 2019-12-12 | 2023-08-01 | Vmware, Inc. | Collecting and analyzing data regarding flows associated with DPI parameters |
| US11722925B2 (en) | 2020-01-24 | 2023-08-08 | Vmware, Inc. | Performing service class aware load balancing to distribute packets of a flow among multiple network links |
| CN111835725B (en) * | 2020-06-12 | 2021-08-13 | 北京邮电大学 | Network attack coping method for SDN controller cluster |
| CN111835725A (en) * | 2020-06-12 | 2020-10-27 | 北京邮电大学 | Network attack coping method for SDN controller cluster |
| US11709710B2 (en) | 2020-07-30 | 2023-07-25 | Vmware, Inc. | Memory allocator for I/O operations |
| US11929903B2 (en) | 2020-12-29 | 2024-03-12 | VMware LLC | Emulating packet flows to assess network links for SD-WAN |
| US11792127B2 (en) | 2021-01-18 | 2023-10-17 | Vmware, Inc. | Network-aware load balancing |
| US11637768B2 (en) | 2021-05-03 | 2023-04-25 | Vmware, Inc. | On demand routing mesh for routing packets through SD-WAN edge forwarding nodes in an SD-WAN |
| US11729065B2 (en) | 2021-05-06 | 2023-08-15 | Vmware, Inc. | Methods for application defined virtual network service among multiple transport in SD-WAN |
| US11943146B2 (en) | 2021-10-01 | 2024-03-26 | VMware LLC | Traffic prioritization in SD-WAN |
| US11909815B2 (en) | 2022-06-06 | 2024-02-20 | VMware LLC | Routing based on geolocation costs |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106230650A (en) | SDN Overlay network fault positioning system and method | |
| US8111627B2 (en) | Discovering configured tunnels between nodes on a path in a data communications network | |
| JP5033856B2 (en) | Devices and systems for network configuration assumptions | |
| JP4973734B2 (en) | Network monitoring system, route extraction method, program, and computer-readable recording medium recording the program | |
| US20100226246A1 (en) | Pseudowire tunnel redundancy | |
| US8631115B2 (en) | Connectivity outage detection: network/IP SLA probes reporting business impact information | |
| CN103607296B (en) | A kind of virtual-machine fail processing method and equipment | |
| CN104168193B (en) | A kind of method and routing device of Virtual Router Redundancy Protocol fault detect | |
| US20070177523A1 (en) | System and method for network monitoring | |
| US7898971B2 (en) | Method and apparatus for automating hub and spoke Internet Protocol Virtual Private Network trouble diagnostics | |
| CN107453884A (en) | The service quality detection method and device of a kind of network equipment | |
| CN108306748A (en) | Network failure locating method, device and interactive device | |
| CN102457403B (en) | Method and device for detecting network connection faults | |
| CN103684843A (en) | Network system, transmission device, and fault information delivery method | |
| CN104243232A (en) | Virtual network fault detection and location method | |
| JP2012054622A (en) | Network system, management server and oam test management method | |
| CN107888455A (en) | A kind of data detection method, device and system | |
| CN106953747A (en) | A kind of SDN self-healing method based on deep learning | |
| CN102710450A (en) | Fault location method and device thereof | |
| CN103532747B (en) | The network topology generation method of industrial system and system | |
| CN107656847A (en) | Node administration method, system, device and storage medium based on distributed type assemblies | |
| CN105471599A (en) | Protection switching method and network device | |
| CN107979499A (en) | Network multipoint fault restoration methods based on stateful datum plane | |
| CN101841838B (en) | Method and device for processing logical link alarm | |
| CN106685682A (en) | Fault processing method, network device and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Shumin Inventor after: Chen Mei Inventor after: Hu Senbiao Inventor after: Dai Lijun Inventor after: Qian Peizhuan Inventor after: Li Kemin Inventor before: Zhang Shumin Inventor before: Chen Mei Inventor before: Dai Lijun Inventor before: Qian Peizhuan Inventor before: Li Kemin |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |