CN101179351B - Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment - Google Patents
Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment Download PDFInfo
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- CN101179351B CN101179351B CN2006100635170A CN200610063517A CN101179351B CN 101179351 B CN101179351 B CN 101179351B CN 2006100635170 A CN2006100635170 A CN 2006100635170A CN 200610063517 A CN200610063517 A CN 200610063517A CN 101179351 B CN101179351 B CN 101179351B
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Abstract
A dynamic distribution method for synchronous digital system equipment space-time division cross timeslot resource is provided. The service data of the whole network collocated on a network management system is sent down to a network element. The network element adjusts the service collocation data. The states of all the space-time division resources are marked. One service collocation record is obtained and the required space-time timeslot resource is appointed. Whether the time division resource distribution is needed is determined. Whether the timeslot has already previously been distributed with resource is determined. Whether the distributable resources are available is determined; if the distributable resources are available, the occupation marks are distributed and given to the resources and the timeslot information is set down. The space-time division resource states are renovated, the time division resources no longer to be used are released and the resources as usable are remarked. The invention utilizes most of the node cross connection ability to ensure that the equipment have high service transmission rate and low blocking rate. The problem that the cross connection ability of the space-time division chip is not enough is effectively solved and the service break is avoided.
Description
Technical field
The present invention relates to the distribution method of the empty time-division interconnection time interval resource of transmission equipment of SDH (Synchronous Digital Hierarchy SDH) series, be suitable for realizing the situation of cross-connect matrix with the form of S-T-S (empty branch-time-division-sky divides).
Background technology
The SDH system belongs to the transmission equipment of physical layer, does not have complicated Routing Protocol, and the point-to-point service transmission only is provided, and does not broadcast in principle, multicast service.Its professional route is semi-permanent, promptly available webmaster change service route, but can not be real-time dynamically carry out, semipermanent link establishment is to lean on the space division cross in its system to carry out with the time-division intersection.The flexibility that empty branch, time-division matrix capacity and form not only determine its service link to set up also determines the protection type that it can be supported.Cross matrix has S-S or two kinds of forms of S-T-S.When SDH equipment is applied to metropolitan area network or local area network (LAN), particularly need realize the intersection (for example other intersection of VC12 level) of low level time slot, cross matrix adopts the hybrid matrix of S-S and S-T-S mostly in the system.When service needed connected with the form of S-T-S matrix, the interconnection state of time slot was as shown in Figure 1.The empty time-division resource that needs in the interconnection distributes in the process of business configuration.Because the restriction of the empty time-division interconnection ability of equipment, may there be obstruction in cross-interaction matrix of time division.
The distribution of SDH equipment space/time division cross time slot resource is the mode of fixed allocation in the prior art; Even do not use time-division resource; Do not discharge yet; And do not process for not carrying out the low-order service that the time-division intersects, still take time-division resource, thereby can not make full use of limited time-division resource.
Summary of the invention
The technical problem that the present invention will solve is; A kind of dynamic allocation method of space/time division cross time slot resource of synchronous digital hierarchy transmission equipment is proposed; Can be according to type, bandwidth and the trend of the business that will transmit; And on this equipment existing professional time slot allocation information, in conjunction with this equipment gap information of usefulness not, in this equipment, confirm this professional time-division and the empty distribution that divides the time slot resource; And in time discharge idle time interval resource, divide under the time-division interconnection situation limited in one's ability at the sky of equipment and divide the interconnection capacity loss minimum with this node of branch pairing of time-division resource sky.
The dynamic allocation method of the space/time division cross time slot resource of synchronous digital hierarchy transmission equipment of the present invention may further comprise the steps:
Configure the business datum of the whole network on the step 1 webmaster, and down distributing configuration data is to network element;
The step 2 network element is adjusted the type of service configuration data according to the data that webmaster issues,, the low-order service under the high-order time slot of transmitting-receiving both sides is the professional map type of professional in the same way low price is revised as high-order;
The state of step 3 free time-division resource that mark is;
Step 4 is got a business configuration record, and the sky that needs for this professional appointment divides the time slot resource;
Step 5 determines whether that according to the type of service of transmission needs distribute time-division resource, if desired, change next step; If do not need, change step 9;
Step 6 checks that the sky that needs the distribution time-division resource divides the state of mouth, confirms that whether this time slot has distributed resource before this, if distribute, then changes step 9; Otherwise, change next step;
Step 7 checks whether there is unappropriated time-division resource, if having, mouthful distribute a time-division resource then empty for this reason the branch, and this time-division resource of mark is for taking, and the registration gap information, the commentaries on classics step 9; Otherwise, then change step 8;
The failure of step 8 business configuration, configuration flow finishes;
Step 9 judges whether to also have the not business of configuration, if having, changes step 4, otherwise changes next step;
Step 10 checks that the business whether original configuration is arranged is deleted, and then discharges this professional time-division resource if having.
Said step 3 comprises: the free time-division resource of be is numbered by time slot, and the state of each time-division mouth of mark is for taking or idle, and the sky branch message breath that takies this time-division mouth.
Compared with prior art; The dynamic allocation algorithm of the dynamic allocation method hollow time-division resource of the space/time division cross time slot resource of synchronous digital hierarchy transmission equipment of the present invention has been utilized the interconnection ability of this node to greatest extent; Make this kind equipment have higher professional transfer rate and lower blocking rate; Preferably resolve the problem of sky time-division chip interconnection scarce capacity; And guaranteed can not change in the business configuration process interconnection relation of the business that has configured, thereby avoided causing professional hit.
Description of drawings
Fig. 1 is a professional form with the S-T-S matrix when connecting, the interconnection state diagram of time slot in empty time-division chip;
Fig. 2 is the flow chart of one embodiment of the present of invention.
Embodiment
Below in conjunction with accompanying drawing the enforcement of technical scheme is done further to describe in detail:
In one embodiment of the present of invention as shown in Figure 2,, be elaborated in the face of its step down at the allocation flow figure of business configuration process hollow time-division time interval resource:
Step 201, the business datum of the good the whole network of network management configuration, and with all business configuration data distributings to network element.
Step 202, network element are adjusted the type of service of every business after receiving the data that webmaster issues.Judge that whether low-order service is arranged in the business configuration data that this webmaster issues is professional in the same way (the low order time slot that is each professional transmit-receive position belongs to same high-order time slot respectively, and every professional transmitting-receiving both sides low order timeslot number is consistent).If it is professional in the same way that the business under the high-order time slot of transmitting-receiving both sides is, the map type that then will satisfy all low-order services of above-mentioned condition is revised as high-order.
Step 203 is numbered the free time-division resource of be by time slot, the state of each time-division mouth of mark is: take or the free time, and the sky branch message breath that takies this time-division mouth.
Step 204 is got a business in the business configuration data, this business is configured.
Step 205, the sky that needs for business appointment to be disposed divides the time slot resource.The empty time slot resource of dividing is clog-free, can directly specify, and does not need dynamic assignment.
Step 206 according to type of service, determines whether to need to distribute time-division resource.Low-order service need carry out the time-division intersection, and execution in step 207, other business need not carried out the time-division intersection, change step 211.
Step 207 checks that the sky that needs the distribution time-division resource divides the state of mouth, confirms whether this time slot has distributed time-division resource before this, if distributed then execution in step 211, otherwise execution in step 208.
Step 208 checks whether there is unappropriated time-division resource, if any, then execution in step 209, otherwise execution in step 210.
Step 209, an empty for this reason branch mouthful distribution time-division resource, it is occupied being about to this time-division resource status indication, and notes the gap information that the sky that takies this time-division resource divides mouth.This business configuration finishes, and changes 211.
Step 210, time-division resource exhausts, and can't satisfy business demand, returns business configuration failure mistake, finishes configuration flow.
Whether step 211 still has the business of not being configured in the business configuration data that the inquiry webmaster issues, if any, changeing step 204, the configuration next record is professional, otherwise changes step 212
Step 212 checks that the business whether original configuration is arranged is deleted, if any execution in step 213 then, otherwise process ends.
Step 213, so business has taken time-division resource, then this time-division resource is discharged, and it is idle being about to time-division mouth status indication, and leaves out the former sky branch message breath that takies this time-division mouth.Process ends.
Claims (2)
1. the dynamic allocation method of a space/time division cross time slot resource of synchronous digital hierarchy equipment, its characteristic is being, is may further comprise the steps:
Step 1: configure the business datum of the whole network on the webmaster, and down distributing configuration data is to network element;
Step 2: network element is adjusted type of service according to the data that webmaster issues, and the low-order service under the high-order time slot of transmitting-receiving both sides is the professional map type of professional in the same way low price is revised as high-order;
Step 3: the state of free time-division resource that mark is;
Step 4: get a business configuration record, the sky that needs for this professional appointment divides the time slot resource;
Step 5: the type of service according to transmission determines whether that needs distribute time-division resource, if desired, change next step; If do not need, change step 9;
Step 6: check that the sky that needs the distribution time-division resource divides the state of mouth, confirms that whether this time slot has distributed resource before this, if distribute, then changes step 9; Otherwise, change next step;
Step 7: check whether there is unappropriated time-division resource, if having, mouthful distribute a time-division resource then empty for this reason the branch, and this time-division resource of mark is for taking, and the record gap information, the commentaries on classics step 9; Otherwise, then change step 8;
Step 8: the business configuration failure, configuration flow finishes;
Step 9: judge whether to also have the not business of configuration,, change step 4, otherwise change next step if having;
Step 10: check that the business whether original configuration is arranged is deleted, then discharge this professional time-division resource if having.
2. the dynamic allocation method of the described space/time division cross time slot resource of synchronous digital hierarchy equipment of claim 1; It is characterized in that; Said step 3 comprises: the free time-division resource of be is numbered by time slot; The state of each time-division mouth of mark is for taking or idle, and the sky branch message breath that takies this time-division mouth.
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| CN2006100635170A CN101179351B (en) | 2006-11-07 | 2006-11-07 | Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment |
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| CN101179351B true CN101179351B (en) | 2012-05-09 |
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Cited By (1)
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|---|---|---|---|---|
| CN103973265B (en) * | 2009-06-09 | 2017-01-18 | 华为技术有限公司 | Lossless adjustment method of ODUflex channel bandwidth and optical transport network |
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| CN101299892B (en) * | 2008-06-27 | 2011-03-23 | 中兴通讯股份有限公司 | Method for regulating tunnel service of synchronous digital hierarchy network |
| ES2414634T3 (en) | 2009-06-09 | 2013-07-22 | Huawei Technologies Co., Ltd. | Lossless adjustment method of an ODUflex channel bandwidth and the ODUflex channel |
| CN101924959B (en) * | 2009-06-11 | 2013-06-12 | 中兴通讯股份有限公司 | Service adjusting method and device in phototiming digital system network |
| CN101998182B (en) * | 2009-08-25 | 2013-08-14 | 华为技术有限公司 | Information processing method, optical communication device and optical communication system in optical networks |
| CN102025419B (en) * | 2009-09-16 | 2014-11-05 | 中兴通讯股份有限公司 | Method and single board for adjusting time slot of full service |
| CN102223684B (en) * | 2010-04-19 | 2014-03-05 | 中国移动通信集团设计院有限公司 | Time slot resource distribution method and device |
| CN105743672A (en) * | 2014-12-10 | 2016-07-06 | 中兴通讯股份有限公司 | Statistics method and device for time slot resource occupation |
| CN111177142B (en) * | 2018-11-13 | 2024-03-01 | 深圳市中兴微电子技术有限公司 | Data conversion method and device, equipment and storage medium |
| CN111800188B (en) * | 2019-04-09 | 2021-09-07 | 烽火通信科技股份有限公司 | Switching method and system of optical communication service |
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