CN101710846A - Method and device for protecting service in automatic switched optical network - Google Patents
Method and device for protecting service in automatic switched optical network Download PDFInfo
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- CN101710846A CN101710846A CN 200910250768 CN200910250768A CN101710846A CN 101710846 A CN101710846 A CN 101710846A CN 200910250768 CN200910250768 CN 200910250768 CN 200910250768 A CN200910250768 A CN 200910250768A CN 101710846 A CN101710846 A CN 101710846A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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- 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
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- 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
- H04L43/0882—Utilisation of link capacity
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Abstract
The invention discloses a method and a device for protecting a service in an automatic switched optical network. The method comprises that: all equipment in the whole network regularly performs link resource detection and each equipment masters the occupation condition of link resources in the whole network; and after the service is failed to be recovered, the source node equipment of the service performs a service recovery operation again when knowing that the link resources required by the service exist in the whole network. Through the method for protecting the service of the invention, service recovery is realized and the service can be activated immediately when the link resources are recovered under the condition of no manual intervention. The device for protecting the service improves the functions and scheduling modes of a connection control module, a link resource management module and a protocol control module, avoids the defect in the prior art that the recovery action of a control plane in the intelligent optical network needs manually triggering after the service is failed to be recovered, shortens the interruption interval of the service and ensures the timeliness and smoothness of the service.
Description
Technical field
The present invention relates to ASON (Automatically Switched Optical Net-work, ASON) technical field, relate in particular to guard method and device professional in a kind of ASON.
Background technology
Growth along with the optical transfer network traffic carrying capacity, mode by the human configuration business in the conventional optical network is the more and more requirement of incompatibility technical development, just under these circumstances, thus begin extensive use by connect the automatically alternately automatic exchange ASON technology of configuration service of signaling protocol.
Automatic Switched Optical Network Technology also claims the ASON technology, not only can provide professional fast, also can provide new route in existing network because of the purpose that administers and maintains, and sets up the new connection of following new route by protocol interaction afterwards.And business switched in the new connection from former connection, realize the network optimization easily and efficiently, thereby also realized the purpose of network management and maintenance.
In actual application, find after business breaks down; equipment itself be can do by myself provides protection earlier; when the safeguard measure that provides when equipment can't meet the demands; will trigger the recovery action of the control plane in the ASON; guarantee the unimpeded of business by setting up a new connection; but when whole network does not satisfy the recovery condition; when not having idle link circuit resource; business will be interrupted; and when the idle link resource appears in whole network once more; the equipment relevant with business can not trigger automatically yet and recover action; business still is in interrupt status; need this moment artificial transmitting order to lower levels to trigger the recovery action of the control plane in the ASON, cause professional break period long, make troubles to the user.
Summary of the invention
The technical problem to be solved in the present invention is; guard method and device professional in a kind of ASON is provided; at having the business of recovering attribute in the ASON; overcome the defective that after the business recovery failure, needs the recovery of the control plane in manual activation ASON action in the prior art, and shortened professional break period.
The technical solution used in the present invention is that the guard method of business in the described ASON comprises:
The link circuit resource that whole network equipment is regularly carried out the link circuit resource detection and every equipment is grasped in the whole network takies situation;
After the business recovery failure, when the source node equipment of described business takies situation and learns the link circuit resource that has described service needed in the whole network according to the link circuit resource in the whole network of its grasp, carry out the business recovery operation again.
Described whole network equipment regularly carries out the link circuit resource detection and makes every link circuit resource in equipment grasp the whole network take situation comprising:
Every equipment regularly detects link-local change in resources information and upgrades local resource information tabulation of preserving in view of the above in the whole network, and described link-local change in resources information is notified to all the other equipment in the whole network.
Every equipment with the mode that described link-local change in resources information is notified to all the other equipment in the whole network is in described the whole network: every equipment signaling network by control plane mode that floods is notified to all the other equipment in the whole network with described link-local change in resources information;
The tabulation of all the other equipment in the whole network resource information that information updating is preserved separately according to described link-local change in resources.
When described source node equipment when described business takies situation and learns the link circuit resource that has described service needed in the whole network according to the link circuit resource in the whole network of its grasp, carry out the business recovery operation again and comprise:
When link circuit resource change information that described link-local change in resources information and/or all the other equipment are sent, the business information that the source node equipment of described business is preserved in conjunction with this locality is judged and is existed when being the link circuit resource of service needed of source node with this equipment, carries out the business recovery operation again.
Described local business information of preserving comprises: whether business is with recovery attribute and business whether to have fault.
Described process of carrying out the business recovery operation again comprises:
Source node equipment from described business, signaling by control plane is along the application link circuit resource of the path hop-by-hop of waiting to recover professional and issue intersection information, after waiting that all devices that recovers professional is all applied for link circuit resource and issued the intersection information success, the business recovery success.
The present invention also provides protective device professional in a kind of ASON, is arranged in every equipment of the whole network, and this device comprises:
The detection notice module, the link circuit resource that is used for regularly carrying out the detection of total network links resource and every equipment is grasped in the whole network takies situation;
Automatic service recovers module, is used for taking situation according to the link circuit resource in the whole network and judges the whole network and exist when being the link circuit resource of service needed of source node with this equipment, carries out the business recovery operation again.
Described detection notice module comprises:
The link circuit resource detection module is used for regularly detecting link-local resource information change information and is notified to the Link Resource Manager module;
The Link Resource Manager module, the link circuit resource change information that is used for sending according to described link-local change in resources information and all the other equipment upgrades local resource information tabulation of preserving, and described link-local change in resources information is notified to the native protocol control module, the link circuit resource change information that described link-local change in resources information and all the other equipment are sent is announced to automatic service and is recovered module;
The agreement control module is used for by the signaling network of control plane described link-local change in resources information from flooding being arrived the whole network, and receives the link circuit resource change information that all the other equipment are sent.
Described automatic service recovers module and further comprises:
Link control module, be used for when the Link Resource Manager module is sent the link circuit resource change information that described link-local change in resources information and/or all the other equipment sends, when judging existence and with this equipment be the link circuit resource of service needed of source node, carry out the business recovery operation again in conjunction with local business information of preserving.
Described local business information of preserving comprises: whether business is with recovery attribute and business whether to have fault.
Described agreement control module is further used for reserving link circuit resource by the signaling of control plane along the path hop-by-hop of waiting to recover professional;
Described link control module is further used in this locality to Link Resource Manager module application link circuit resource, transmits the plane to this locality and issues intersection information.
Adopt technique scheme, the present invention has following advantage at least:
The guard method and the device of business in the ASON of the present invention, the link circuit resource that regularly carries out the detection of total network links resource and every equipment is grasped in the whole network takies situation; After the business recovery failure, when the source node equipment of described business is learnt the link circuit resource that has described service needed in the whole network, carry out the business recovery operation again.Compared with the prior art; the guard method of business of the present invention; by the link circuit resource operating position in the whole network of regular detection; when link circuit resource becomes upstate by down state; need not under the situation of manual intervention; realize professional recovery, guarantee that the professional very first time after link circuit resource recovers is in time open-minded.The protective device of described business; comprise that detection notice module and automatic service recover module; in fact link control module, Link Resource Manager module and the agreement control module three's that every equipment in the ASON is all had function and scheduling mode improve; mutual by between each module; overcome the defective that after the business recovery failure, needs the recovery of the control plane in manual activation ASON action in the prior art; and shortened professional break period, guaranteed the in time unimpeded of business.
Description of drawings
Fig. 1 is a guard method flow chart professional in the described ASON of first embodiment of the invention;
Fig. 2 is a protective device schematic diagram professional in the described ASON of second embodiment of the invention;
The network connection diagram that Fig. 3 nonserviceables for bearer service AC in the third embodiment of the invention;
The network connection diagram that Fig. 4 is returning to form for bearer service AC in the third embodiment of the invention;
Fig. 5 is the network connection diagram of bearer service AD in the fourth embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, professional guard method and device in the described ASON that the present invention is proposed, describe in detail as after.
First embodiment of the invention, the guard method of business in a kind of ASON as shown in Figure 1, comprises following concrete steps:
Every equipment regularly detects link-local change in resources information in step S101, the whole network.Because in the prior art, automatic switching optical network device itself just has the function that reports fault by the mode of alarm to control plane, control plane has according to alarm, and the function that connects the operation judges link-local change in resources situation of setting up and deleting, the present invention does not do improvement to the specific implementation of this measuring ability, so locate not describe in detail.
Every equipment is regularly according to the local resource information tabulation of preserving of detected link-local change in resources information updating in step S102, the whole network.
Step S103, every equipment by control plane OSPF (Open Shortest Path First, Open Shortest Path First) agreement with described link-local change in resources information from flooding all the other equipment in the whole network.
The tabulation of all the other equipment in step S104, the whole network resource information that information updating is preserved separately according to described link-local change in resources.
Step S105, when link circuit resource change information that described link-local change in resources information and/or all the other equipment are sent, it is the link circuit resource of the service needed of source node that the business information that equipment is preserved according to this locality judges whether to exist with this equipment, if, then jump procedure S106 operates otherwise wouldn't carry out business recovery.
Second embodiment of the invention, professional protective device in a kind of ASON is arranged in every equipment of the whole network, as shown in Figure 2, comprises following part:
The link circuit resource detection module is used for regularly detecting link-local resource information change information and is notified to LRM (Link Resource Manager, Link Resource Manager device) module;
The LRM module, the link circuit resource change information that is used for sending according to described link-local change in resources information and all the other equipment upgrades local resource information tabulation of preserving, and described link-local change in resources information is notified to local PC (Protocol Control, protocol controller) module, the link circuit resource change information that described link-local change in resources information and all the other equipment are sent is announced the module to CC (Connection Controller connects controller);
The PC module is used for by the signaling network of control plane described link-local change in resources information from flooding being arrived the whole network, and receives the link circuit resource change information that all the other equipment are sent.
The CC module, be used for when the LRM module is sent the link circuit resource change information that described link-local change in resources information and/or all the other equipment sends, the business information of preserving according to this locality is judged and is existed when being the link circuit resource of service needed of source node with this equipment, carries out the business recovery operation again.Described local business information of preserving comprises: whether business is with recovery attribute and business whether to have fault.
When carrying out the business recovery operation again, described PC module is further used for reserving link circuit resource by the signaling of control plane along the path hop-by-hop of waiting to recover professional;
The CC module of every equipment is further used in this locality to LRM module application link circuit resource, transmits the plane to this locality and issues intersection information.
Below in conjunction with two examples of occupation condition, specify the guard method professional in the ASON of the present invention and the implementation procedure of device.
Third embodiment of the invention is at the situation that is caused lacking in the network sufficient link circuit resource by equipment fault.As shown in Figure 3, the user has set up a business from the band recovery attribute of first device A to the, three equipment C, abbreviates the AC business as.The connection of carrying AC business is through first link, 1, the second equipment B between first device A and second equipment B and second link 2 between the 3rd equipment C.
Cause second link 2, the 4th link 4 when second equipment B breaks down, when the 6th link 6 all breaks, second equipment B regularly detects the link-local resource information variation has taken place, can be notified to local LRM module to local fault message, the LRM module will be deleted disabled link circuit resource in the local resource information list, and the link circuit resource change information of second equipment B is passed to the PC module.Because the PC module by the signaling network work of control plane, is flooded to first device A and the 3rd equipment C to the link circuit resource change information of second equipment B at control plane by ospf protocol after the PC module receives.After the signaling network of the PC module of first device A and the 3rd equipment C by control plane receives the link circuit resource change information of second equipment B, report LRM module separately respectively.
According to prior art, because having i.e. first device A startup of source node that recovers this AC business of attribute, this AC business recovers action, because the link circuit resource between first equipment B and the 3rd equipment C has been unavailable, thereby cause the business recovery failure.
When the second equipment B fault is eliminated, when some or all of reparation is arranged in the link between second equipment B and the 3rd equipment C, as Fig. 4, such as the 6th link repair, second equipment B can be notified to local LRM module to this earth fault disappearance information so, local LRM module will be upgraded the local resource information list in view of the above, and change in resources information is notified to local PC module, and local PC module is carried out flooding of the whole network by the ospf protocol of control plane again.The PC module of first device A and the 3rd equipment C reports LRM module separately respectively after receiving the link circuit resource change information of second equipment B by signaling network, and the LRM module will be upgraded the local resource information list in view of the above.
For AC is professional, after receiving the change in resources information of second equipment B as the LRM module of first device A of the source node of business, can announce to the CC module, the business information that the CC module is preserved according to this locality in conjunction with the change in resources information of self and second equipment B decides which bar business of recovery, local information of preserving comprises: whether business is with the recovery attribute, and whether business exists fault etc.
When the decision of CC module recovers the AC business,, transmit the plane to this locality then and issue intersection information to local LRM module application link circuit resource;
Next the PC module sends to the signaling that connects the PC module of second equipment B of the link circuit resource that the carrying AC business can be provided by control plane, is used to reserve link circuit resource; The PC module of second equipment B reinforms the CC module of second equipment B;
The CC module of second equipment B also at local LRM module application link circuit resource, transmits the plane to this locality then and issues intersection information;
By that analogy, transmit the plane when issuing intersection information up to the 3rd equipment C of the link circuit resource that the carrying AC business is provided to this locality, the business recovery success.
Fourth embodiment of the invention is at the situation that is caused lacking in the network sufficient link circuit resource by equipment fault.As shown in Figure 5, the user has set up a business of recovering attribute from the band of first device A to the, four equipment D, be called for short the AD business, the connection of carrying this AD business arrives the link of the 4th equipment D through first device A, the 3rd equipment C, be called for short the first active link ACD, also exist in the network from the second active link ABD of first device A through second equipment B to the, four equipment D, the resource of the second active link ABD is by other professional absorbs, no idling-resource.At this moment, link occurs fault between the 3rd equipment C and the 4th equipment D, the 3rd equipment C can be notified to local LRM module to local fault message, local LRM module will be deleted disabled resource in the local resource information list, the LRM module of the 3rd equipment C has passed to local PC module with fault message, and local PC module is carried out the whole network by the ospf protocol of control plane with the link circuit resource change information again and flooded.First device A, second equipment B, the 4th equipment D obtain the information of inundation.
Because the AD business has the recovery attribute, according to prior art, the source node of AD business i.e. first device A carries out the business recovery action, because this moment, Internet resources were saturated, recovers failure.
Professional deleted fall of certain bar on the second active link ABD and after idling-resource occurring, the LRM module of first device A, second equipment B, the 4th equipment D is understood the resource information tabulation of each self refresh this locality and the link circuit resource change information is notified to separately PC module, and PC module is separately carried out the whole network inundation by the ospf protocol of control plane again.For AD is professional, the source node of the AD business i.e. LRM module of first device A is received the link circuit resource change information, the business information that the CC module is preserved according to this locality in conjunction with the change in resources information of self and second equipment B, the 4th equipment D decides which bar business of recovery, local information of preserving comprises: whether business is with the recovery attribute, and whether business exists fault etc.
When the decision of CC module recovers the AD business,, transmit the plane to this locality then and issue intersection information to local LRM module application link circuit resource;
Next the PC module sends to the PC module of second equipment B of the link circuit resource that carrying AD business can be provided by control plane with the signaling that connects, and is used to reserve link circuit resource; The PC module of second equipment B reinforms the CC module of second equipment B;
The CC module of second equipment B also at local LRM module application link circuit resource, transmits the plane to this locality then and issues intersection information;
By that analogy, when transmission plane, this locality issued intersection information, business recovery was successful up to the 4th equipment D that the link circuit resource that carries the AD business is provided.
The guard method and the device of business in the ASON of the present invention, the link circuit resource that regularly carries out the detection of total network links resource and every equipment is grasped in the whole network takies situation; After the business recovery failure, when the source node equipment of described business is learnt the link circuit resource that has described service needed in the whole network, carry out the business recovery operation again.Compared with the prior art; the guard method of business of the present invention; by the link circuit resource operating position in the whole network of regular detection; when link circuit resource becomes upstate by down state; need not under the situation of manual intervention; realize professional recovery, guarantee that the professional very first time after link circuit resource recovers is in time open-minded.The protective device of described business; comprise that detection notice module and automatic service recover module; in fact CC module, LRM module and the PC module three's that every equipment in the ASON is all had function and scheduling mode improve; mutual by between each module; overcome the defective that after the business recovery failure, needs the recovery of the control plane in manual activation ASON action in the prior art; and shortened professional break period, guaranteed the in time unimpeded of business.
By the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
Claims (11)
1. professional guard method in the ASON is characterized in that, comprising: whole network equipment carries out regularly that link circuit resource detects and link circuit resource that every equipment is grasped in the whole network takies situation;
After the business recovery failure, when the source node equipment of described business takies situation and learns the link circuit resource that has described service needed in the whole network according to the link circuit resource in the whole network of its grasp, carry out the business recovery operation again.
2. according to guard method professional in the described ASON of claim 1, it is characterized in that described whole network equipment regularly carries out the link circuit resource detection and make every link circuit resource in equipment grasp the whole network take situation comprising:
Every equipment regularly detects link-local change in resources information and upgrades local resource information tabulation of preserving in view of the above in the whole network, and described link-local change in resources information is notified to all the other equipment in the whole network.
3. according to guard method professional in the described ASON of claim 2, it is characterized in that every equipment with the mode that described link-local change in resources information is notified to all the other equipment in the whole network is in described the whole network: every equipment signaling network by control plane mode that floods is notified to all the other equipment in the whole network with described link-local change in resources information;
The tabulation of all the other equipment in the whole network resource information that information updating is preserved separately according to described link-local change in resources.
4. according to guard method professional in claim 1 or the 2 or 3 described ASONs; it is characterized in that; when the source node equipment of described business takies situation and learns the link circuit resource that has described service needed in the whole network according to the link circuit resource in the whole network of its grasp, carry out the business recovery operation again and comprise:
When link circuit resource change information that described link-local change in resources information and/or all the other equipment are sent, the business information that the source node equipment of described business is preserved in conjunction with this locality is judged and is existed when being the link circuit resource of service needed of source node with this equipment, carries out the business recovery operation again.
5. according to guard method professional in the described ASON of claim 4, it is characterized in that described local business information of preserving comprises: whether business is with recovery attribute and business whether to have fault.
6. according to guard method professional in claim 1 or 2 or the 3 or 5 described ASONs, it is characterized in that described process of carrying out the business recovery operation again comprises:
Source node equipment from described business, signaling by control plane is along the application link circuit resource of the path hop-by-hop of waiting to recover professional and issue intersection information, after waiting that all devices that recovers professional is all applied for link circuit resource and issued the intersection information success, the business recovery success.
7. professional protective device in the ASON is arranged in every equipment of the whole network, and this device comprises:
The detection notice module, the link circuit resource that is used for regularly carrying out the detection of total network links resource and every equipment is grasped in the whole network takies situation;
Automatic service recovers module, is used for taking situation according to the link circuit resource in the whole network and judges the whole network and exist when being the link circuit resource of service needed of source node with this equipment, carries out the business recovery operation again.
8. according to protective device professional in the described ASON of claim 7, it is characterized in that described detection notice module comprises:
The link circuit resource detection module is used for regularly detecting link-local resource information change information and is notified to the Link Resource Manager module;
The Link Resource Manager module, the link circuit resource change information that is used for sending according to described link-local change in resources information and all the other equipment upgrades local resource information tabulation of preserving, and described link-local change in resources information is notified to the native protocol control module, the link circuit resource change information that described link-local change in resources information and all the other equipment are sent is announced to automatic service and is recovered module;
The agreement control module is used for by the signaling network of control plane described link-local change in resources information from flooding being arrived the whole network, and receives the link circuit resource change information that all the other equipment are sent.
9. according to protective device professional in the described ASON of claim 7, it is characterized in that described automatic service recovers module and further comprises:
Link control module, be used for when the Link Resource Manager module is sent the link circuit resource change information that described link-local change in resources information and/or all the other equipment sends, when judging existence and with this equipment be the link circuit resource of service needed of source node, carry out the business recovery operation again in conjunction with local business information of preserving.
10. according to protective device professional in the described ASON of claim 9, it is characterized in that described local business information of preserving comprises: whether business is with recovery attribute and business whether to have fault.
11. professional protective device according to Claim 8 or in the 9 or 10 described ASONs is characterized in that described agreement control module is further used for reserving link circuit resource by the signaling of control plane along the path hop-by-hop of waiting to recover professional;
Described link control module is further used in this locality to Link Resource Manager module application link circuit resource, transmits the plane to this locality and issues intersection information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910250768 CN101710846B (en) | 2009-12-10 | 2009-12-10 | Method and device for protecting service in automatic switched optical network |
| PCT/CN2010/072354 WO2010148781A1 (en) | 2009-12-10 | 2010-04-30 | Protection method and device for service in automatically switched optical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910250768 CN101710846B (en) | 2009-12-10 | 2009-12-10 | Method and device for protecting service in automatic switched optical network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101710846A true CN101710846A (en) | 2010-05-19 |
| CN101710846B CN101710846B (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910250768 Active CN101710846B (en) | 2009-12-10 | 2009-12-10 | Method and device for protecting service in automatic switched optical network |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101710846B (en) |
| WO (1) | WO2010148781A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248510A (en) * | 2012-02-14 | 2013-08-14 | 中兴通讯股份有限公司 | Method and device for automatic recovery and reactivation of business |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6111672A (en) * | 1998-02-20 | 2000-08-29 | Mci Communications Corporation | Method, apparatus, and computer program product for optical network restoration |
| US6862452B2 (en) * | 2002-08-21 | 2005-03-01 | Qualcomm Inc. | System and method for piggybacking data across an open data channel of a wireless device |
| CN100531092C (en) * | 2005-01-25 | 2009-08-19 | 华为技术有限公司 | Intelligent optical network business re-routing trigging method |
| CN1333554C (en) * | 2005-05-16 | 2007-08-22 | 烽火通信科技股份有限公司 | Method for combining multi-section protection and mesh network recovery |
| CN1983908B (en) * | 2006-06-13 | 2010-05-12 | 华为技术有限公司 | Method for automatically correcting label resource management |
| CN101321115B (en) * | 2007-06-07 | 2010-10-13 | 华为技术有限公司 | Method and system for establishing business route, and node equipment |
-
2009
- 2009-12-10 CN CN 200910250768 patent/CN101710846B/en active Active
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2010
- 2010-04-30 WO PCT/CN2010/072354 patent/WO2010148781A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103248510A (en) * | 2012-02-14 | 2013-08-14 | 中兴通讯股份有限公司 | Method and device for automatic recovery and reactivation of business |
| CN103248510B (en) * | 2012-02-14 | 2017-11-10 | 中兴通讯股份有限公司 | The method and apparatus that a kind of business recovers reactivation automatically |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010148781A1 (en) | 2010-12-29 |
| CN101710846B (en) | 2013-10-16 |
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