CN102271058A - Multi-path service protecting method and device - Google Patents
Multi-path service protecting method and device Download PDFInfo
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- CN102271058A CN102271058A CN2011102269080A CN201110226908A CN102271058A CN 102271058 A CN102271058 A CN 102271058A CN 2011102269080 A CN2011102269080 A CN 2011102269080A CN 201110226908 A CN201110226908 A CN 201110226908A CN 102271058 A CN102271058 A CN 102271058A
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Abstract
The invention provides a multi-path service protecting method and device. The multi-path service protecting method comprises the steps of: establishing a protection path group comprising a plurality of protection paths for the working path of the service, and selecting a preferred protection path from the protection path group; and when the working path breaks down, switching the service onto the preferred protection path. According to the multi-path service protecting method, multi-path protection can be provided for the service.
Description
Technical field
The present invention relates to the service protection field, particularly relate to a kind of method and device for professional multipath protection.
Background technology
Along with multiple service supporting and PTN (Packet Transport Network, Packet Transport Network) broad application, the particularly application in Operation Network, urgent day by day to the demand of service reliability.How when breaking down, webmaster to guarantee that professional survival ability becomes the subject matter of the current concern of operator.In the present network, mainly guarantee professional existence problem after meeting with fault by automatic protection switching (APS) technology.Be about to professional work transfer path and a selected protection transfer path binding formation protection group; When losing efficacy when fault happens in operational, business migration transmits to the protection path.At present according to the relation of operating path with the protection path, network protection can be divided into two kinds of linear protection and looped network protections:
Under the linear protection model, operating path and Protection path are linear end-to-end path, and two paths are bound with main and standby relation, form the protection relation.When the operating path fault, business switches on the Protection path, as shown in Figure 1.Under the looped network protection model, linear operating path is bound mutually with the reverse protection of an end to end annular path.When the operating path fault, a professional upper node from fault switches and enters Protection path, reversely recovers transmission after walking around the trouble point, as shown in Figure 2.
No matter adopt which kind of protection model, operating path and Protection path are 1 pair 1 relation.Therefore, in fact above-mentioned resist technology all can only be protected the single failure point.When reaching the operating path fault, business switches to Protection path.If this moment, Protection path broke down again, even still have other available paths in the network, business will lose efficacy.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method and device of professional multipath protection, thinks that business provides the multi-path protection.
In order to solve the problems of the technologies described above, the invention provides a kind of method of professional multipath protection, comprising:
Set up the protection group of paths that comprises many protection paths for the operating path of business, in described protection group of paths, select a first-selected protection path;
When described fault happens in operational, business is switched on the described first-selected protection path.
Further, said method also has following characteristics: described business is switched in the process on the described first-selected Protection path, also comprise:
From the remaining available Protection path of described Protection path group, reselect a new first-selected Protection path.
Further, said method also has following characteristics:
When professional current path breaks down, detect described operating path and whether recover, if recover, then business is switched back described operating path; If do not recover, whether have new first-selection protection path, if having, then business is switched to described new prefered path if then detecting, if do not have, then business is switched back described operating path.
Further, said method also has following characteristics: described switch to business on the described first-selected Protection path after, also comprise:
Recover if detect described operating path, then business is switched back described operating path, or whether prompting user switches back described operating path with business.
Further, said method also has following characteristics: described operating path for business is set up in the process of the Protection path group that comprises many Protection paths, also comprises:
Protect path for each bar and specify a priority,
Described first-selected Protection path is to select according to validity and the priority of Protection path.
In order to address the above problem, the present invention also provides a kind of device of professional multipath protection, comprising:
Configuration module is used to professional operating path to set up the Protection path group that comprises many Protection paths, selects a first-selected Protection path in described Protection path group;
Handover module is used for when described fault happens in operational business being switched on the described first-selected Protection path.
Further, said apparatus also has following characteristics:
Described configuration module also is used for after described handover module switches to business on the described first-selected Protection path, reselects a new first-selected Protection path from the remaining available Protection path of described Protection path group.
Further, said apparatus also has following characteristics: also comprise:
Whether first detection module is used for detecting described operating path and recovering when detecting professional current path and break down;
Second detection module is used for detecting under the unrecovered situation of described operating path at first detection module, detects whether new first-selection protection path is arranged;
Described handover module also is used for detecting described operating path at first detection module and recovers, or do not have in the situation of new first-selected Protection path business to be switched back described operating path in the detection of second detection module; Have in the situation of new first-selected Protection path in the detection of second detection module, business is switched to described new prefered path.
Further, said apparatus also has following characteristics: also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Described handover module also is used for detecting under the situation of described operating path recovery at described detection module, and business is switched back described operating path.
Further, said apparatus also has following characteristics: also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Reminding module is used for detecting in the situation of described operating path recovery at described detection module, and whether prompting user switches back described operating path with business.
Further, said apparatus also has following characteristics:
Described configuration module; in the process of setting up the protection group of paths that comprises many protection paths for professional operating path, also be used for; specify a priority for each bar protection path, described first-selected protection path is that described configuration module is selected according to the validity and the priority in protection path.
To sum up; the invention provides a kind of method and device of professional multipath protection; it mainly is the protection path of setting up many associations for the operating path of business; when the operating path fault; by the selected protection path transport service of algorithm; if also break down in the protection path, then select the protection path of other endures to carry out the business transmission, utilize existing path resource in the network fully.The Protection path group plans that when reasonable, business can successfully manage multipoint fault and select available path to turn to transmission, thereby greatly promotes professional survival ability, satisfies to greatest extent the user to the demand of Network survivability; Scheme realizes that simply logical relation is simple and direct, is convenient to realize on the prior art basis simultaneously.
Description of drawings
Fig. 1 is the structural representation that traditional linear path is protected;
Fig. 2 is the protection structural representation in traditional looped network protection path;
Fig. 3 is the schematic diagram of device of the professional multipath protection of the embodiment of the invention;
Fig. 4 is the structural representation in the protection path of the embodiment of the invention;
Fig. 5 is the flow chart of method of the professional multipath protection of the embodiment of the invention one;
Fig. 6 is the flow chart of method of the professional multipath protection of the embodiment of the invention two.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter will be elaborated to embodiments of the invention in conjunction with the accompanying drawings.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be any combination mutually.
Fig. 3 is the schematic representation of apparatus of the professional multipath protection of the embodiment of the invention, and as shown in Figure 3, the device of present embodiment comprises:
Configuration module is used to professional operating path to set up the Protection path group that comprises many Protection paths, selects a first-selected Protection path in described Protection path group;
Handover module is used for when described fault happens in operational business being switched on the described first-selected Protection path.
Wherein, described configuration module also is used for after described handover module switches to business on the described first-selected Protection path, reselects a new first-selected Protection path from the remaining available Protection path of described Protection path group.
Wherein, described configuration module can also be used in the process of setting up the protection group of paths that comprises many protection paths for professional operating path; specify a priority for each bar protection path, described first-selected protection path is that described configuration module is selected according to the validity and the priority in protection path.
In a preferred embodiment, described device can also comprise:
Whether first detection module is used for detecting described operating path and recovering when detecting professional current path and break down;
Second detection module is used for detecting under the unrecovered situation of described operating path at first detection module, detects whether new first-selection protection path is arranged;
Described handover module also is used for detecting described operating path at first detection module and recovers, or do not have in the situation of new first-selected Protection path business to be switched back described operating path in the detection of second detection module; Have in the situation of new first-selected Protection path in the detection of second detection module, business is switched to described new prefered path.
In a preferred embodiment, described device can also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Described handover module also is used for detecting under the situation of described operating path recovery at described detection module, and business is switched back described operating path.
In a preferred embodiment, described device can also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Reminding module is used for detecting in the situation of described operating path recovery at described detection module, and whether prompting user switches back described operating path with business.
Fig. 5 is the flow chart of method of the professional multipath protection of the embodiment of the invention one, and as shown in Figure 5, the method for present embodiment comprises following step:
S10, set up the protection group of paths that comprise many protection paths, in described protection group of paths, select a first-selected protection path for professional operating path;
After the operating path of business is determined, by the phase-split network resource, set up a plurality of mutually different Protection paths.Many Protection paths are bound mutually, set up the Protection path group.Form the protection relation between professional operating path and protection group of paths.Can calculate by algorithm in the inside of Protection path group and optimize a paths as first-selected Protection path.
S20, when described fault happens in operational, business is switched on the described first-selected Protection path.
When the vocational work path fails, business switches on this first-selection protection path, protect simultaneously group of paths inside can according to current residual can with the protection path in select again an available path as new protection path with standby.
If before operating path recovered, former Protection path also broke down, then business switches to newly and selects on the Protection path, by that analogy.When path available never again in the protection group of paths supplies to select for use,, then business is switched back initial operating path if business breaks down once more.
When if business is transmitted via Protection path, professional original operating path recovers normal, then can according to user's selection, determine whether business is switched back original operating path.
If professional recovered just often via Protection path transmission and operating path, new fault takes place in professional Protection path, then can with business immediately switchback to original operating path.
Method by the embodiment of the invention; professional operating path can be bound mutually with a plurality of different protection paths; form the protection group of paths; thereby utilize existing path resource in the network fully; the protection group of paths plans that when reasonable, business can successfully manage the multiple spot fault and select available path to change transmission, as shown in Figure 4; thereby promote professional survival ability greatly, satisfy the demand of user to greatest extent the network survivability ability.Scheme realizes that simply logical relation is simple and direct, is convenient to realize on the prior art basis simultaneously.
Fig. 6 be the embodiment of the invention two the flow chart of method of professional multipath protection, as shown in Figure 6, comprise following step:
Step 101: in network environment, set up many available Protection paths for the operating path of definite business;
Step 102: be priority of above-mentioned every protection path appointment, and binding forms the protection group of paths;
Step 103: protection group inside at first checks the validity of all Protection paths, and according to the priority of all active paths, it is for subsequent use as first-selected Protection path to select the highest paths of priority;
Step 104: operating path and the Protection path group binding of business are formed the protection relation;
Step 105: whether when fault happens in operational, at first checking has available first-selection protection path, if having, then enter step 106, otherwise be failure to actuate;
Step 106: business is switched on the first-selected protection path, protect group of paths inside in available protection path, to reselect a protection path as new first-selection protection path simultaneously according to priority;
Step 107: this monitors the state of former operating path and professional current path in real time, recovers if detect operating path, then changes step 111 over to; Break down if detect professional current path, then change step 108 over to;
Step 108: check at first whether former operating path is available,, then directly business is switched back former operating path, otherwise entered step 109 if available;
Whether step 109: checking has available first-selection protection path, if having, then get back to step 106, otherwise enter step 110.
Step 110: business is switched back operating path, simultaneously the first-selected Protection path of gravity treatment in the Protection path group.
Step 111: when protection group is configured to allow switchback, after operating path recovers, start a switchback timer, this timer length can be disposed by the user, behind timer expiry, changes step 110 over to; If protection group is configured to not allow switchback, then be failure to actuate.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only storage, disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuits to realize.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Below only be the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (11)
1. the method for a professional multipath protection comprises:
Set up the protection group of paths that comprises many protection paths for the operating path of business, in described protection group of paths, select a first-selected protection path;
When described fault happens in operational, business is switched on the described first-selected protection path.
2. the method for claim 1 is characterized in that: described business is switched in the process on the described first-selected Protection path, also comprise:
From the remaining available Protection path of described Protection path group, reselect a new first-selected Protection path.
3. method as claimed in claim 2 is characterized in that:
When professional current path breaks down, detect described operating path and whether recover, if recover, then business is switched back described operating path; If do not recover, whether have new first-selection protection path, if having, then business is switched to described new prefered path if then detecting, if do not have, then business is switched back described operating path.
4. the method for claim 1 is characterized in that: described switch to business on the described first-selected Protection path after, also comprise:
Recover if detect described operating path, then business is switched back described operating path, or whether prompting user switches back described operating path with business.
5. such as each described method of claim 1-4, it is characterized in that: described operating path for business is set up in the process of the Protection path group that comprises many Protection paths, also comprises:
Protect path for each bar and specify a priority,
Described first-selected Protection path is to select according to validity and the priority of Protection path.
6. the device of a professional multipath protection comprises:
Configuration module is used to professional operating path to set up the Protection path group that comprises many Protection paths, selects a first-selected Protection path in described Protection path group;
Handover module is used for when described fault happens in operational business being switched on the described first-selected Protection path.
7. device as claimed in claim 6 is characterized in that:
Described configuration module also is used for after described handover module switches to business on the described first-selected Protection path, reselects a new first-selected Protection path from the remaining available Protection path of described Protection path group.
8. device as claimed in claim 7 is characterized in that: also comprise:
Whether first detection module is used for detecting described operating path and recovering when detecting professional current path and break down;
Second detection module is used for detecting under the unrecovered situation of described operating path at first detection module, detects whether new first-selection protection path is arranged;
Described handover module also is used for detecting described operating path at first detection module and recovers, or do not have in the situation of new first-selected Protection path business to be switched back described operating path in the detection of second detection module; Have in the situation of new first-selected Protection path in the detection of second detection module, business is switched to described new prefered path.
9. device as claimed in claim 6 is characterized in that: also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Described handover module also is used for detecting under the situation of described operating path recovery at described detection module, and business is switched back described operating path.
10. device as claimed in claim 6 is characterized in that: also comprise:
Whether detection module is used for detecting described operating path and recovering after described handover module switches to business on the described first-selected Protection path;
Reminding module is used for detecting in the situation of described operating path recovery at described detection module, and whether prompting user switches back described operating path with business.
11., it is characterized in that as each described device of claim 6-10:
Described configuration module; in the process of setting up the protection group of paths that comprises many protection paths for professional operating path, also be used for; specify a priority for each bar protection path, described first-selected protection path is that described configuration module is selected according to the validity and the priority in protection path.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102269080A CN102271058A (en) | 2011-08-09 | 2011-08-09 | Multi-path service protecting method and device |
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| CN2011102269080A CN102271058A (en) | 2011-08-09 | 2011-08-09 | Multi-path service protecting method and device |
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| CN102761480A (en) * | 2012-06-28 | 2012-10-31 | 中兴通讯股份有限公司 | Resource allocation method and device |
| CN103023776A (en) * | 2012-11-16 | 2013-04-03 | 华为技术有限公司 | Path selection method and device and storage area network |
| CN103812689A (en) * | 2012-11-15 | 2014-05-21 | 中国移动通信集团公司 | Service transmission protecting method and device based on multi-loop-structured network |
| WO2015180379A1 (en) * | 2014-05-28 | 2015-12-03 | 中兴通讯股份有限公司 | Protection switching method, apparatus, and system |
| CN105490935A (en) * | 2015-12-08 | 2016-04-13 | 国网浙江省电力公司宁波供电公司 | Method and system for analyzing paths among multiple points |
| CN105704022A (en) * | 2014-11-27 | 2016-06-22 | 华为技术有限公司 | Path switching method and network nodes |
| CN105760261A (en) * | 2014-12-16 | 2016-07-13 | 华为技术有限公司 | Business IO (input/output) processing method and device |
| CN105847137A (en) * | 2016-05-28 | 2016-08-10 | 国网安徽省电力公司六安供电公司 | Link double-path establishing method for data center interconnection network |
| WO2016127806A1 (en) * | 2015-02-13 | 2016-08-18 | 中兴通讯股份有限公司 | Path protection method and system |
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| CN102761480A (en) * | 2012-06-28 | 2012-10-31 | 中兴通讯股份有限公司 | Resource allocation method and device |
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| CN103812689B (en) * | 2012-11-15 | 2017-05-31 | 中国移动通信集团公司 | Business transmission protecting and device based on multiring structure network |
| CN103812689A (en) * | 2012-11-15 | 2014-05-21 | 中国移动通信集团公司 | Service transmission protecting method and device based on multi-loop-structured network |
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| CN105847137A (en) * | 2016-05-28 | 2016-08-10 | 国网安徽省电力公司六安供电公司 | Link double-path establishing method for data center interconnection network |
| CN105847137B (en) * | 2016-05-28 | 2019-02-26 | 国网安徽省电力公司六安供电公司 | A kind of link dual path method for building up for data center internet |
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