CN102957554A - Method and device for achieving coordinative protection of PTN (packet transport network) equipment and MSTP (multi-service transport platform) equipment - Google Patents
Method and device for achieving coordinative protection of PTN (packet transport network) equipment and MSTP (multi-service transport platform) equipment Download PDFInfo
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- CN102957554A CN102957554A CN2011102453854A CN201110245385A CN102957554A CN 102957554 A CN102957554 A CN 102957554A CN 2011102453854 A CN2011102453854 A CN 2011102453854A CN 201110245385 A CN201110245385 A CN 201110245385A CN 102957554 A CN102957554 A CN 102957554A
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Abstract
The invention discloses a method and a device for achieving coordinative protection of PTN (packet transport network) equipment and MSTP (multi-service transport platform) equipment. The method includes: detecting whether a PTN domain and an MSTP domain are at link fault or not in real time; and when any one network domain is at link fault, searching a pre-configured alarm level conversion table, and sending the fault alarm level of the network domain at link fault to an opposite end network domain after the fault alarm level of the network domain at link fault is converted to the fault alarm level of the opposite end network domain, so that coordinative protection switching between the network domain at link fault and the opposite end network domain is achieved. The device comprises a fault detection module, an alarm level conversion module and a coordinative protection trigger module. The method and the device achieve coordinative switching of SDH (synchronous digital hierarchy) sub-network protection of the MSTP equipment and PW (pseudo wire) dual-homing protection of the PTN equipment by real-time link fault detection and flexible alarm level conversion.
Description
Technical field
The present invention relates to the packet switching network technical field; relate in particular to a kind of PTN (Packet Transport Network; Packet Transport Network) implementation method and the device of the protection of equipment and MSTP (Multi-Service Transport Platform, multi-service transport platform) equipment collaboration.
Background technology
Along with the development of 3G (3rd-generation) mobile service and LTE (Long Term Evolution, Long Term Evolution) closing on of network design, building PTN network of new generation becomes the main flow selection that operator reduces the mobile broadband network operation cost, promotes the network competition ability.In view of the traditional SDH of existing network (Synchronous Digital Hierarchy, SDH (Synchronous Digital Hierarchy)) network will be network coexisted with IPization within considerable time, how the PTN network links up transition smoothly with traditional SDH network, is related to the smooth evolution of whole transmission, bearer network.
The 2G/3G business is with Long Coexistence from now on, and by existing SDH network carrying 2G speech business, professional and EOS (Ethernet over SDH) business becomes the optimal selection that rationally utilizes the existing network investment by PTN network carrying 3G.Current stage 2G business development demand is still larger, in order to satisfy newly-increased 2G business demand, and must newly-built 2G base station or the professional PTN network that arrives of cutover SDH network EOS.
Whether for take full advantage of the bandwidth resources of MSTP network preciousness; or above-mentioned real networking situation is compeled; PTN equipment and MSTP equipment mixed networking scheme become inevitable choice; but for mixed networking; in case break down; how to realize the coordinating protection between PTN equipment and the MSTP equipment, become the technical problem that needs to be resolved hurrily at present.
Summary of the invention
The invention provides implementation method and the device of the protection of a kind of PTN equipment and MSTP equipment collaboration, in order to solve the problem that coordinating protection is switched between the PTN equipment and MSTP equipment in the mixed networking.
Particularly, the invention provides the implementation method of a kind of PTN equipment and MSTP equipment collaboration protection, be applied in the system of PTN equipment and MSTP equipment mixed networking, described method specifically comprises:
Detect in real time described PTN territory and MSTP territory whether link failure occurs;
When any side network domains generation link failure wherein; search pre-configured alarm level conversion table; after the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains; be sent to described opposite end network domains, trigger opposite end network domains and link failure side network domains coordinating protection and switch.
Wherein, generation link failure in described MSTP territory comprises: link failure in the described MSTP territory, and/or MSTP territory and PTN inter-domain link fault; Link failure occurs and comprises link failure in the PTN territory in described PTN territory.
Further; in the method for the invention; when any side network domains generation link failure wherein; search pre-configured alarm level conversion table; after the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains; be sent to described opposite end network domains, trigger opposite end network domains and link failure side network domains coordinating protection and switch, specifically comprise:
When link failure occurs in described MSTP territory, search described alarm level conversion table, the fault warning rank of described MSTP territory side is converted to the fault warning rank of PTN territory side after, be sent to PTN equipment that PTN territory side configuration protection switches and protect and switch;
When link failure occurs in described PTN territory, search described alarm level conversion table, the fault warning rank of described PTN territory side is converted to the fault warning rank of MSTP territory side after, be sent to MSTP equipment that MSTP territory side configuration protection switches and protect and switch.
Wherein, also comprise when link failure occurs in described MSTP territory: the MSTP equipment that described MSTP territory side configuration protection is switched carries out the protection of MSTP territory side and switches;
Also comprise when link failure occurs in described PTN territory: the PTN equipment that described PTN territory side configuration protection is switched carries out the side protection of PTN territory and switches.
Further, the PTN equipment that described configuration protection is switched protects the mode of switching to comprise: pseudo-line PW1+1 double-returning protection switching, and pseudo-line PW1:1 double-returning protection switching;
The MSTP equipment that described configuration protection is switched protects the mode of switching to comprise: SDH (Synchronous Digital Hierarchy) SDH 1+1 subnetwork protection is switched.
The present invention also provides the implement device of a kind of PTN equipment and the protection of MSTP equipment collaboration, is applied in the system of PTN equipment and MSTP equipment mixed networking, and described device comprises:
Fault detection module is used for detecting in real time described PTN territory and MSTP territory whether link failure occurs;
The alarm level modular converter, be used for when described fault detection module detects any side network domains generation link failure, search pre-configured alarm level conversion table, the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains;
The coordinating protection trigger module is used for the fault warning rank after the described alarm level modular converter conversion is sent to described opposite end network domains, triggers opposite end network domains and link failure side network domains coordinating protection and switches.
Wherein, generation link failure in described MSTP territory comprises: link failure in the described MSTP territory, and/or MSTP territory and PTN inter-domain link fault; Link failure occurs and comprises link failure in the PTN territory in described PTN territory.
Further, in the device of the present invention, the alarm level modular converter specifically comprises:
The first conversion submodule is used for searching described alarm level conversion table when link failure occurs in described MSTP territory, the fault warning rank of described MSTP territory side is converted to the fault warning rank of PTN territory side;
The second conversion submodule is used for searching described alarm level conversion table when link failure occurs in described PTN territory, the fault warning rank of described PTN territory side is converted to the fault warning rank of MSTP territory side;
Described coordinating protection trigger module specifically comprises:
First triggers submodule, and the alarm level after being used for will described the first conversion submodule changing is sent to PTN equipment that PTN territory side configuration protection switches and protects and switch;
Second triggers submodule, and the alarm level after being used for will described the second conversion submodule changing is sent to MSTP equipment that MSTP territory side configuration protection switches and protects and switch.
Wherein, the PTN equipment that described configuration protection is switched protects the mode of switching to comprise: pseudo-line PW1+1 double-returning protection switching, and pseudo-line PW1:1 double-returning protection switching;
The MSTP equipment that described configuration protection is switched protects the mode of switching to comprise: SDH 1+1 subnetwork protection is switched.
Preferably, described device is the PTN equipment that is connected with described MSTP territory in the described PTN territory.
Beneficial effect of the present invention is as follows:
The method of the invention and device; by to the real-time detection of link failure and the flexible conversion of alarm level; realized collaborative the switching between MSTP equipment SDH subnetwork protection and the PTN equipment PW dual-homing protection, solved in the prior art and can not carry out the problem that coordinating protection is switched between the PTN equipment and MSTP equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the implementation method flow chart of a kind of PTN equipment provided by the invention and the protection of MSTP equipment collaboration;
Fig. 2 is that the embodiment of the invention one Scene is protected the networking schematic diagram once;
Fig. 3 is at the scene implementation method flow chart of coordinating protection once in the embodiment of the invention one;
Fig. 4 is two times protections of the embodiment of the invention one Scene networking schematic diagram;
Fig. 5 is at the implementation method flow chart of two times coordinating protections of scene in the embodiment of the invention one;
Fig. 6 is at the scene implementation method flow chart of coordinating protection once in the embodiment of the invention two;
Fig. 7 is at the implementation method flow chart of two times coordinating protections of scene in the embodiment of the invention two;
Fig. 8 is the structural diagrams intention of the implement device of PTN equipment provided by the invention and the protection of MSTP equipment collaboration.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
In order to realize the coordinating protection between the PTN equipment and MSTP equipment in the mixed networking, the invention provides implementation method and the device of a kind of PTN equipment and MSTP equipment collaboration protection.
As shown in Figure 1, the invention provides the implementation method of a kind of PTN equipment and MSTP equipment collaboration protection, be applied in the system of PTN equipment and MSTP equipment mixed networking, described method specifically comprises:
Step S101, detect described PTN territory in real time and whether the MSTP territory link failure occurs;
Wherein, generation link failure in MSTP territory comprises: link failure in the described MSTP territory, and/or MSTP territory and PTN inter-domain link fault; Link failure occurs and comprises the link failure PTN territory in described PTN territory, say definitely, described PTN territory occur link failure be often referred to pseudo-line layer unusually, its correspondence be a service exception.
Step S102, when any side network domains generation link failure wherein; search pre-configured alarm level conversion table; after the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains; be sent to the opposite end network domains, trigger opposite end network domains and link failure side network domains coordinating protection and switch.
Need to prove, when a side network domains generation link failure, dispose in the link failure side network domains and protect the equipment of switching automatic realization protection to switch.So above-mentioned flow process does not limit link failure side network domains and how to protect and switch, but stresses, when fault side network domains breaks down, how to trigger the opposite end network domains and carry out coordinating protection and switch.
Further, among the described step S102, dispose alarm level and the PTN territory alarm level coupling corresponding relation in MSTP territory in the described alarm level conversion table, for example, other alarm of OAM level in the corresponding PTN of other alarm of the VC3/VC4/VC12 level in MSTP territory territory; And each alarm type in the corresponding OAM rank of each alarm type that comprises in the VC3/VC4/VC12 rank.
Further, the specific implementation process of described step S102 is:
When link failure occurs in the MSTP territory, search described alarm level conversion table, the fault warning rank of described MSTP territory side is converted to the fault warning rank of PTN territory side after, be sent to PTN equipment that PTN territory side configuration protection switches and protect and switch;
When link failure occurs in described PTN territory, search described alarm level conversion table, the fault warning rank of described PTN territory side is converted to the fault warning rank of MSTP territory side after, be sent to MSTP equipment that MSTP territory side configuration protection switches and protect and switch.
Simultaneously, also comprise when link failure occurs in described MSTP territory: the MSTP equipment that described MSTP territory side configuration protection is switched carries out the protection of MSTP territory side and switches;
Also comprise when link failure occurs in described PTN territory: the PTN equipment that described PTN territory side configuration protection is switched carries out the side protection of PTN territory and switches.
In addition; it is worth mentioning that; the method of the invention can by be independent of the MSTP territory, the overseas checkout equipment of PTN is realized; but preferably realize by the PTN equipment that is connected with the MSTP territory in the PTN territory, namely realize that by the PTN equipment that is connected with the MSTP territory above-mentioned fault detect and protection switch trigger process.
The below provides the several preferred embodiments of the present invention according to Fig. 2～Fig. 7, and in conjunction with the description to embodiment, further provides ins and outs of the present invention, and the specific implementation process of the method for the invention can be described better.For convenience of description, the described method of following embodiment all realizes by the PTN equipment that is connected with the MSTP territory in the PTN territory, and is concrete, realizes by gateway board and master control borad in the described PTN equipment.
Embodiment one
The implementation method of the PTN equipment that the embodiment of the invention provides and the protection of MSTP equipment collaboration; by gateway veneer and the master control veneer that configures on the PTN equipment that is connected with the MSTP territory in the PTN territory; realize the cross-domain conversion of MSTP territory SDH alarm and PTN territory pseudo-line PW alarm, thereby realized collaborative the switching between MSTP equipment SDH subnetwork protection and the PTN equipment PW dual-homing protection.The below link failure and PTN territory occur and the specific implementation process that two scenes of link failure describe the method for the invention in detail occurs from the MSTP territory:
Scene one, link failure appears in the MSTP territory, and protection networking schematic diagram is as shown in Figure 2.
The specific implementation flow process comprises as shown in Figure 3:
Step S301, MSTP territory are inner, and perhaps link breaks down between PTN territory and the MSTP territory, and the MSTP equipment Inspection that configuration protection is switched in the MSTP territory is carried out SDH 1+1 subnetwork protection after the fault warning and switched;
The gateway board of the PTN equipment that is connected with the MSTP territory in step S302, the PTN territory detects after the dependent failure, reports master control borad;
In this step, if link failure is MSTP territory internal fault, then the PTN equipment that is connected with the MSTP territory is notified by the MSTP equipment that is connected with the PTN territory in the MSTP territory;
If link failure is the link failure between MSTP territory and the PTN territory, the PTN equipment that then is connected with the MSTP territory can detect voluntarily.
The master control borad of step S303, the PTN equipment that is connected with the MSTP territory, according to pre-configured alarm level conversion table, PTN territory side alarm level corresponding to MSTP territory side alarm level convert to after, send to the PTN equipment that configuration protection is switched.
The PTN equipment that step S304, configuration protection are switched is received after the side alarm level of corresponding PTN territory, is carried out PW 1+1 double-returning protection switching.
So far, collaborative the switching all of whole end-to-end protection finished.
Scene two, link failure appears in the PTN territory, and protection networking schematic diagram is as shown in Figure 4.
The specific implementation flow process comprises as shown in Figure 5:
Step S501, PTN territory inner link break down, and PW 1+1 double-returning protection switching is carried out in the PTN equipment Inspection that configuration protection is switched after the alarm of PTN side.
The master control borad of step S502, the PTN equipment that is connected with the MSTP territory detects after the side alarm of PTN territory, according to the alarm level conversion table, sends to gateway board after MSTP territory side alarm level corresponding to PTN territory side alarm level converting to.
The gateway board of step S503, the PTN equipment that is connected with the MSTP territory can descend to insert corresponding MSTP territory side alarm level after receiving alarm level message, send to the MSTP equipment that the opposite end configuration protection is switched.
The MSTP equipment that step S504, opposite end configuration protection are switched is received after the corresponding alarm level, carries out SDH 1+1 subnetwork protection and switches.
So far, collaborative the switching all of whole end-to-end protection finished.
Embodiment two
The present embodiment has configured the VC121+1 subnetwork protection with the MSTP territory, and it is example that the PTN territory has configured PW 1+1 dual-homing protection, further specifies the implementation method of PTN of the present invention and MSTP coordinating protection.The present embodiment still link failure and PTN territory occur with the MSTP territory and two scenes of link failure occur and be described.
Scene one, the MSTP territory perhaps link failure occurs between PTN territory and the MSTP territory, and its handling process comprises as shown in Figure 6:
Step S601, inside, MSTP territory, perhaps link breaks down between PTN territory and the MSTP territory, and the MSTP equipment Inspection that configuration protection is switched is carried out the VC121+1 protection and is switched after the alarm of VC12 rank.
The gateway board of step S602, the PTN equipment that is connected with the MSTP territory detects after other fault of VC12 level, reports master control borad.
The master control borad of step S603, the PTN equipment that is connected with the MSTP territory according to the alarm level conversion table, PW OAM alarm corresponding to the alarm of VC12 rank converts to, sends to the PTN equipment that the opposite end configuration protection is switched.
The PTN equipment that step S604, opposite end configuration protection are switched is received after the corresponding PW OAM alarm, carries out the PW 1+1 protection and switches.
So far, collaborative the switching all of whole end-to-end protection finished.
Scene two, link failure appears in the PTN territory, and its handling process comprises as shown in Figure 7:
Step S701, PTN territory inner link break down, and the PTN equipment Inspection that configuration protection is switched is carried out the PW 1+1 protection and switched after PW OAM alarm.
The master control borad of step S702, the PTN equipment that is connected with the MSTP territory detects after the alarm of PW OAM, according to the alarm level conversion table, PW OAM alarm is converted to corresponding VC12 rank alarm and sends to gateway board.
The gateway board of step S703, the PTN equipment that is connected with the MSTP territory can descend to insert corresponding VC12 rank alarm after receiving alarm level message, send to the MSTP equipment that the opposite end configuration protection is switched.
The MSTP equipment that step S704, opposite end configuration protection are switched is received after the alarm of corresponding VC12 rank, carries out the VC121+1 protection and switches.
So far, collaborative the switching all of whole end-to-end protection finished.
Need to prove, the present invention is not limited to switch with PW1+1 dual-homing protection realization protection, and protection is switched and is equally applicable to the present invention for PW1:1.
As shown in Figure 8, the present invention also provides the implement device of a kind of PTN equipment and the protection of MSTP equipment collaboration, is applied in the system of PTN equipment and MSTP equipment mixed networking, and described device specifically comprises:
Wherein, generation link failure in MSTP territory comprises: link failure in the MSTP territory, and/or MSTP territory and PTN inter-domain link fault; Link failure occurs and comprises link failure in the PTN territory in the PTN territory.
Alarm level modular converter 820, be used for when fault detection module 810 detects any side network domains generation link failure, search pre-configured alarm level conversion table, the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains;
Coordinating protection trigger module 830 is used for the fault warning rank after 820 conversions of alarm level modular converter is sent to described opposite end network domains, triggers opposite end network domains and link failure side network domains coordinating protection and switches.
Particularly, alarm level modular converter 820 comprises:
The first conversion submodule 821 is used for searching the alarm level conversion table when link failure occurs in the MSTP territory, the fault warning rank of MSTP territory side is converted to the fault warning rank of PTN territory side;
The second conversion submodule 822 is used for searching the alarm level conversion table when link failure occurs in the PTN territory, the fault warning rank of PTN territory side is converted to the fault warning rank of MSTP territory side;
Coordinating protection trigger module 830 specifically comprises:
First triggers submodule 831, is used for that the alarm level after 821 conversions of the first conversion submodule is sent to PTN equipment that PTN territory side configuration protection switches and protects and switch;
Second triggers submodule 832, is used for that the alarm level after 822 conversions of the second conversion submodule is sent to MSTP equipment that MSTP territory side configuration protection switches and protects and switch.
Wherein, the PTN equipment that configuration protection is switched protects the mode of switching to comprise: pseudo-line PW1+1 double-returning protection switching, and pseudo-line PW1:1 double-returning protection switching;
The MSTP equipment that configuration protection is switched protects the mode of switching to comprise: SDH 1+1 subnetwork protection is switched.
Device of the present invention can be for being independent of the overseas checkout gear of PTN territory and MSTP; but be preferably the PTN equipment that is connected with described MSTP territory in the described PTN territory, namely realize that by the PTN equipment that is connected with described MSTP territory above-mentioned fault detect and protection switch trigger process.
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. the implementation method of a Packet Transport Network PTN equipment and multi-service transport platform MSTP equipment collaboration protection is applied in the system of PTN equipment and MSTP equipment mixed networking, it is characterized in that, comprising:
Detect in real time described PTN territory and MSTP territory whether link failure occurs;
When any side network domains generation link failure wherein; search pre-configured alarm level conversion table; after the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains; be sent to described opposite end network domains, trigger opposite end network domains and link failure side network domains coordinating protection and switch.
2. the method for claim 1 is characterized in that, described MSTP territory link failure occurs comprises: link failure in the described MSTP territory, and/or MSTP territory and PTN inter-domain link fault;
Link failure occurs and comprises link failure in the PTN territory in described PTN territory.
3. method as claimed in claim 1 or 2 is characterized in that,
When link failure occurs in described MSTP territory, search described alarm level conversion table, the fault warning rank of described MSTP territory side is converted to the fault warning rank of PTN territory side after, be sent to PTN equipment that PTN territory side configuration protection switches and protect and switch;
When link failure occurs in described PTN territory, search described alarm level conversion table, the fault warning rank of described PTN territory side is converted to the fault warning rank of MSTP territory side after, be sent to MSTP equipment that MSTP territory side configuration protection switches and protect and switch.
4. method as claimed in claim 3 is characterized in that,
Also comprise when link failure occurs in described MSTP territory: the MSTP equipment that described MSTP territory side configuration protection is switched carries out the protection of MSTP territory side and switches;
Also comprise when link failure occurs in described PTN territory: the PTN equipment that described PTN territory side configuration protection is switched carries out the side protection of PTN territory and switches.
5. method as claimed in claim 3 is characterized in that,
The PTN equipment that described configuration protection is switched protects the mode of switching to comprise: pseudo-line PW1+1 double-returning protection switching, and pseudo-line PW1:1 double-returning protection switching;
The MSTP equipment that described configuration protection is switched protects the mode of switching to comprise: SDH (Synchronous Digital Hierarchy) SDH 1+1 subnetwork protection is switched.
6. the implement device of a PTN equipment and MSTP equipment collaboration protection is applied in the system of PTN equipment and MSTP equipment mixed networking, it is characterized in that, described device comprises:
Fault detection module is used for detecting in real time described PTN territory and MSTP territory whether link failure occurs;
The alarm level modular converter, be used for when described fault detection module detects any side network domains generation link failure, search pre-configured alarm level conversion table, the fault warning rank of link failure side network domains is converted to the fault warning rank of opposite end network domains;
The coordinating protection trigger module is used for the fault warning rank after the described alarm level modular converter conversion is sent to described opposite end network domains, triggers opposite end network domains and link failure side network domains coordinating protection and switches.
7. device as claimed in claim 6 is characterized in that, described MSTP territory link failure occurs comprises: link failure in the described MSTP territory, and/or MSTP territory and PTN inter-domain link fault;
Link failure occurs and comprises link failure in the PTN territory in described PTN territory.
8. such as claim 6 or 7 described devices, it is characterized in that,
Described alarm level modular converter specifically comprises:
The first conversion submodule is used for searching described alarm level conversion table when link failure occurs in described MSTP territory, the fault warning rank of described MSTP territory side is converted to the fault warning rank of PTN territory side;
The second conversion submodule is used for searching described alarm level conversion table when link failure occurs in described PTN territory, the fault warning rank of described PTN territory side is converted to the fault warning rank of MSTP territory side;
Described coordinating protection trigger module specifically comprises:
First triggers submodule, and the alarm level after being used for will described the first conversion submodule changing is sent to PTN equipment that PTN territory side configuration protection switches and protects and switch;
Second triggers submodule, and the alarm level after being used for will described the second conversion submodule changing is sent to MSTP equipment that MSTP territory side configuration protection switches and protects and switch.
9. device as claimed in claim 8 is characterized in that,
The PTN equipment that described configuration protection is switched protects the mode of switching to comprise: pseudo-line PW1+1 double-returning protection switching, and pseudo-line PW1:1 double-returning protection switching;
The MSTP equipment that described configuration protection is switched protects the mode of switching to comprise: SDH 1+1 subnetwork protection is switched.
10. device as claimed in claim 6 is characterized in that, described device is the PTN equipment that is connected with described MSTP territory in the described PTN territory.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110245385.4A CN102957554B (en) | 2011-08-25 | 2011-08-25 | Implementation method and device that PTN device is protected with MSTP equipment collaborations |
| PCT/CN2012/080372 WO2013026380A1 (en) | 2011-08-25 | 2012-08-20 | Method and device for realizing collaborative protection of ptn device and mstp device |
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| CN201110245385.4A CN102957554B (en) | 2011-08-25 | 2011-08-25 | Implementation method and device that PTN device is protected with MSTP equipment collaborations |
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| CN102957554A true CN102957554A (en) | 2013-03-06 |
| CN102957554B CN102957554B (en) | 2017-09-29 |
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| CN107342809A (en) * | 2016-05-03 | 2017-11-10 | 中国移动通信集团四川有限公司 | A kind of service feature monitoring and Fault Locating Method and device |
| CN107682181A (en) * | 2017-09-08 | 2018-02-09 | 北京国电通网络技术有限公司 | A kind of PTN towards the business of adapted electric industry carries polymorphic wireless networking method |
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| CN112769653B (en) * | 2021-01-18 | 2022-07-12 | 苏州浪潮智能科技有限公司 | Network detection and switching method, system and medium based on network port binding |
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| WO2016177129A1 (en) * | 2015-07-29 | 2016-11-10 | 中兴通讯股份有限公司 | Pseudo-wire dual-homing protection control method and communication device |
| CN106411546A (en) * | 2015-07-29 | 2017-02-15 | 中兴通讯股份有限公司 | Pseudo wire dual-homing protection control method and communication device |
| CN105871613A (en) * | 2016-03-31 | 2016-08-17 | 国网山西省电力公司信息通信分公司 | E1 service protection method and system |
| CN107342809A (en) * | 2016-05-03 | 2017-11-10 | 中国移动通信集团四川有限公司 | A kind of service feature monitoring and Fault Locating Method and device |
| CN107682181A (en) * | 2017-09-08 | 2018-02-09 | 北京国电通网络技术有限公司 | A kind of PTN towards the business of adapted electric industry carries polymorphic wireless networking method |
Also Published As
| Publication number | Publication date |
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| WO2013026380A1 (en) | 2013-02-28 |
| CN102957554B (en) | 2017-09-29 |
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