CN101179351A - 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 PDF

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Publication number
CN101179351A
CN101179351A CNA2006100635170A CN200610063517A CN101179351A CN 101179351 A CN101179351 A CN 101179351A CN A2006100635170 A CNA2006100635170 A CN A2006100635170A CN 200610063517 A CN200610063517 A CN 200610063517A CN 101179351 A CN101179351 A CN 101179351A
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time
resource
division
business
space
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CN101179351B (en
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曹磊
戴瑞春
王康
张宏熙
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ZTE Corp
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ZTE Corp
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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

The dynamic allocation method of space/time division cross time slot resource of synchronous digital hierarchy equipment
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 (Synchronous Digital Hierarchy)) 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 intersect by the space division cross in its system and time-division to carry out.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 to 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 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 needing to carry 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 to be solved in the present invention 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 the type of the business that will transmit, bandwidth and trend, and the time slot allocation information that on this equipment, has business, in conjunction with this equipment gap information of usefulness not, in this equipment, determine 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 sky divided and interconnection capacity loss minimum that the branch of time-division resource matches this section point.
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 business configuration data, revises the map type do not need to carry out the low-order service that the time-division intersects, directly divides at sky and finishes interconnection in the chip;
The state of step 3 free time-division resource that mark is;
Step 4 is got a business configuration record, specifies the sky that needs to divide the time slot resource for this is professional;
Step 5 according to type, bandwidth and the trend of business of transmission determine business whether needs by the time sub matrix carry out interconnection, thereby determine whether to need to distribute time-division resource, if desired, change next step; If do not need, change step 7.
Step 6 checks that the sky that needs the distribution time-division resource divides the state of mouth, determines that whether this time slot has distributed resource before this, if distribute, then changes step 9; Otherwise, change next step;
Step 7 checks whether have the available resources can be for distributing, if still have available resources, then for this sky divides a mouthful phenol time-division resource, this resource of mark is for taking, and registers gap information, the commentaries on classics step 9; If resource uses up, 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 is upgraded empty time-division resource state, discharges the time-division resource that does not re-use, and is labeled as available again.
In the described step 2, network element is adjusted the type of service of every business after receiving the data that webmaster issues; If it is professional in the same way that the low-order service under the high-order time slot of transmitting-receiving both sides is, then the map type of all low-order services that will satisfy condition is revised as high-order, directly divides at sky and finishes interconnection in the chip.
Described 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.
Described step 10 comprises checking whether the professional deleted of original configuration is arranged, if any and this business taken time-division resource, then this resource is discharged time-division, it be idle being about to time-division mouth status indication, and leaves out the former sky branch message that takies this time-division mouth and cease.
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
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
In one embodiment of the present of invention, the allocation flow figure at business configuration process hollow time-division time interval resource is elaborated to its step below as shown in Figure 2:
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 unanimity).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 is specified the sky that needs for business to be configured and is divided 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 do not need to carry 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, determines 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, change step 204, configuration next record business, otherwise change step 212
Step 212 checks whether the professional deleted of original configuration is arranged, 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 (4)

1. the dynamic allocation method of a space/time division cross time slot resource of synchronous digital hierarchy equipment, its feature 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 the business configuration data, revises the map type do not need to carry out the low-order service that the time-division intersects;
Step 3: the state of free time-division resource that mark is;
Step 4: get a business configuration record, specify the sky that needs to divide the time slot resource for this is professional;
Step 5: according to type, bandwidth and the trend of business of transmission determine business whether needs by the time sub matrix carry out interconnection, thereby determine whether to need to 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, determines that whether this time slot has distributed resource before this, if distribute, then changes step 9; Otherwise, change next step;
Whether step 7: checking has the available resources can be for distributing, if still have available resources, then mouthful distributes time-division resource for this sky divides, and this resource of mark is for taking, and writes down gap information, the commentaries on classics step 9; If resource uses up, 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: upgrade empty time-division resource state, discharge the time-division resource that does not re-use, be labeled as available again.
2. the dynamic allocation method of the described space/time division cross time slot resource of synchronous digital hierarchy equipment of claim 1 is characterized in that, in the described step 2, network element is adjusted the type of service of every business after receiving the data that webmaster issues; The map type that low-order service under the high-order time slot of transmitting-receiving both sides is professional in the same way low price business is revised as high-order.
3. 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, described 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.
4. 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, described step 10 comprises checking whether the professional deleted of original configuration is arranged, if any and this business taken time-division resource, then this time-division resource is discharged, 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.
CN2006100635170A 2006-11-07 2006-11-07 Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment Expired - Fee Related CN101179351B (en)

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Cited By (10)

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WO2010142093A1 (en) * 2009-06-11 2010-12-16 中兴通讯股份有限公司 Method and apparatus for regulating service of optical synchronous digital hierarchy network
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
CN102025419A (en) * 2009-09-16 2011-04-20 中兴通讯股份有限公司 Method and single board for adjusting time slot of full service
CN102223684A (en) * 2010-04-19 2011-10-19 ***通信集团设计院有限公司 Time slot resource distribution method and device
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
CN103973265A (en) * 2009-06-09 2014-08-06 华为技术有限公司 Lossless adjustment method of ODUflex channel bandwidth and optical transport network
US9209922B2 (en) 2009-06-09 2015-12-08 Huawei Technologies Co., Ltd. Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel
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
CN111177142A (en) * 2018-11-13 2020-05-19 深圳市中兴微电子技术有限公司 Data conversion method and device, equipment and storage medium
CN111800188A (en) * 2019-04-09 2020-10-20 烽火通信科技股份有限公司 Switching method and system of optical communication service

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FI95981C (en) * 1992-04-23 1996-04-10 Nokia Telecommunications Oy Synchronization of SDH signals
FI95854C (en) * 1992-04-23 1996-03-25 Nokia Telecommunications Oy Method and digital cross-connect architecture for cross-linking SDH signals
FI97845C (en) * 1994-05-25 1997-02-25 Nokia Telecommunications Oy Lock-free connection network
US6870838B2 (en) * 2000-04-11 2005-03-22 Lsi Logic Corporation Multistage digital cross connect with integral frame timing
CN1301599C (en) * 2002-06-04 2007-02-21 中兴通讯股份有限公司 Method for positioning up branch signal multi-frame and pointer
CN1323521C (en) * 2003-05-29 2007-06-27 中兴通讯股份有限公司 Virtual linkage combination time gap regulating method
CN100455141C (en) * 2003-11-19 2009-01-21 烽火通信科技股份有限公司 Method for realizing large capacity synchronous optical network and SDH cross unit
CN100380866C (en) * 2004-06-21 2008-04-09 烽火通信科技股份有限公司 Method for implementing digital cross connection unit via multi-level dispersed intercross
CN1728617B (en) * 2004-07-29 2010-08-18 中兴通讯股份有限公司 Method for increasing utilization ratio of cross-interaction matrix of time division
CN2790079Y (en) * 2005-03-14 2006-06-21 华为技术有限公司 Media gateway equipment utilizing time-division space-division-time division switching network to realize interframe cascade connection

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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
CN103973265A (en) * 2009-06-09 2014-08-06 华为技术有限公司 Lossless adjustment method of ODUflex channel bandwidth and optical transport network
US10237203B2 (en) 2009-06-09 2019-03-19 Huawei Technologies Co., Ltd. Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel
US9866497B2 (en) 2009-06-09 2018-01-09 Huawei Technologies Co., Ltd. Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel
US9209922B2 (en) 2009-06-09 2015-12-08 Huawei Technologies Co., Ltd. Lossless adjustment method of ODUflex channel bandwidth and ODUflex channel
WO2010142093A1 (en) * 2009-06-11 2010-12-16 中兴通讯股份有限公司 Method and apparatus for regulating service of optical synchronous digital hierarchy network
US8548324B2 (en) 2009-06-11 2013-10-01 Zte Corporation Method and apparatus for regulating service of optical synchronous digital hierarchy 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
CN102025419A (en) * 2009-09-16 2011-04-20 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 ***通信集团设计院有限公司 Time slot resource distribution method and device
CN102223684A (en) * 2010-04-19 2011-10-19 ***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
CN111177142A (en) * 2018-11-13 2020-05-19 深圳市中兴微电子技术有限公司 Data conversion method and device, equipment and storage medium
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
CN111800188A (en) * 2019-04-09 2020-10-20 烽火通信科技股份有限公司 Switching method and system of optical communication service
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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