CN101299892B - Method for regulating tunnel service of synchronous digital hierarchy network - Google Patents
Method for regulating tunnel service of synchronous digital hierarchy network Download PDFInfo
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- CN101299892B CN101299892B CN200810068145XA CN200810068145A CN101299892B CN 101299892 B CN101299892 B CN 101299892B CN 200810068145X A CN200810068145X A CN 200810068145XA CN 200810068145 A CN200810068145 A CN 200810068145A CN 101299892 B CN101299892 B CN 101299892B
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Abstract
The invention discloses a tunnel service regulation means, including: (1) establishing fixed tunnel service points, for each tunnel service, in a time-division cross module; (2) under the service collocation command, allocating one or two space division cross to fixed tunnel service points of the current tunnel service in the space division cross module, and allocating a time-division cross passing through the fixed tunnel service points of the current tunnel service in the time-division cross module; (3) after receiving the tunnel service regulation command, regulating cross or route of the corresponding tunnel service in the space division cross according to the command, and maintaining the cross or route of the tunnel service in the time-division intercross module to be constant. The use of this invention can greatly shorten the service intermittent disconnection time caused by the SDH tunnel regulation, and controls it within 50ms (while that of the traditional method totally greatly exceed 50ms), thereby greatly improving performance of user service.
Description
Technical field
The present invention relates to the optical transmission field, relate in particular to a kind of tunnel traffic method of adjustment of synchronous digital system network.
Background technology
Optical Transmission Network OTN, comprise WDM (wavelength division multiplexing), SDH (Synchronous Digital Hierarchy, SDH (Synchronous Digital Hierarchy)), SONET (Synchronous Optical Network, synchronous optical network) etc. transmits net, be used widely at field of telecommunications.Recently, along with the development of ASON (Automatic Switch Optical Network, ASON), the application of tunnel traffic also more and more widely.In application process; the user need adjust the path and the intersection of tunnel traffic; usually can adjust the intersection or the path of current tunnel traffic in space division cross module and time-division Cross module simultaneously in the prior art; current non-protection tunnel traffic is adjusted into SNCP protection tunnel traffic is example, and the connection of two modules respectively as depicted in figs. 1 and 2 before and after adjusting.Because this conventional method is all adjusted intersection or path in space division cross module and the time-division Cross module, thereby can substantially exceed 50ms by the professional wink break time that business reorganization causes, and causes service disconnection easily, has influenced user's regular traffic.
Summary of the invention
Technical problem to be solved by this invention provides a kind of tunnel traffic method of adjustment of synchronous digital system network, shortens the professional wink break time that business reorganization causes.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of tunnel traffic method of adjustment of synchronous digital system network may further comprise the steps:
(1), in the time-division Cross module, sets up fixing tunnel traffic point for it for every tunnel traffic;
(2) according to the business configuration order, for current tunnel traffic, its fixedly space division cross of tunnel traffic point is arrived in one or two of configuration in the space division cross module, and its fixedly time-division intersection of tunnel traffic point is passed through in one of configuration in the time-division Cross module;
(3) receive tunnel traffic adjustment order after, according to this tunnel traffic adjustment order intersection or the path of corresponding tunnel service in the space division cross module adjusted, and kept intersection and the path of this tunnel traffic in the time-division Cross module constant.
In the said method, in the described step (3), if described tunnel traffic adjustment order is service path adjustment order, then this step further comprises: in the space division cross module, reconfigure current tunnel traffic by new path and arrive its fixedly space division cross of tunnel traffic point, and keep time-division intersection and the path of this tunnel traffic in the time-division Cross module constant.
In the said method, in the described step (3), if described tunnel traffic adjustment order is for being adjusted into current non-protection tunnel traffic the adjustment order of SNCP protection tunnel traffic, then this step further comprises:
A, search the fixedly tunnel traffic point of current non-protection tunnel traffic;
B, in the space division cross module, newly dispose a sky and divide and protect intersection to the fixedly tunnel traffic point of described tunnel traffic; Simultaneously, keep time-division intersection and the path of this tunnel traffic in the time-division Cross module constant.
In the said method, in the described step (3), if described tunnel traffic adjustment order is for being adjusted into current SNCP protection tunnel traffic the adjustment order of non-protection tunnel traffic, then this step further comprises:
A, find out the fixedly tunnel traffic point of current SNCP protection tunnel traffic;
B, the sky minute protection of deleting the fixedly tunnel traffic point of described tunnel traffic in the space division cross module intersect, and keep the time-division of this tunnel traffic in the time-division Cross module to intersect and the path constant.
Also comprise in the described method: every tunnel traffic is disposed unique service identification, and its fixing tunnel traffic point is made a check mark, identify according to this and search fixedly tunnel traffic point with this service identification.
The present invention has following beneficial effect:
Compared with prior art, the present invention has disposed fixing tunnel traffic point for various tunnel traffic in the time-division Cross module, when tunnel traffic is adjusted, only need intersection or the path of this tunnel traffic in the space division cross module adjusted, and intersection in the time-division Cross module and path remain unchanged, thereby can shorten the professional wink break time that is caused by the adjustment of SDH tunnel traffic widely, and it is controlled at (traditional method all substantially exceeds 50ms) within the 50ms, improved the performance of customer service greatly.
Description of drawings
Fig. 1 is the connection diagram that in the prior art non-protection tunnel traffic is adjusted into before the SNCP protection tunnel traffic;
Fig. 2 is the connection diagram that in the prior art non-protection tunnel traffic is adjusted into after the SNCP protection tunnel traffic;
Fig. 3 is the connection diagram that in the embodiment of the invention one non-protection tunnel traffic is adjusted into before the SNCP protection tunnel traffic;
Fig. 4 is that non-protection tunnel traffic is adjusted into connection diagram after the SNCP protection tunnel traffic in the embodiment of the invention one.
Embodiment
Core concept of the present invention is: set up fixing tunnel traffic point for every tunnel traffic in the time-division Cross module, when tunnel traffic is adjusted, only intersection or the path of this tunnel traffic in the space division cross module adjusted, kept its intersection and path in the time-division Cross module constant.
The present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments:
Embodiment one
In the present embodiment; that system is received earlier under the non-protection tunnel is professional (promptly from the next TU level of AU1 business to AU2); after this tunnel traffic configuration successful; receive the business reorganization order (being that AU1 and AU2 form mutual protection tunnel) that this tunnel traffic is adjusted into SNCP protection tunnel traffic again, concrete method of adjustment is:
The first step: receive non-protection tunnel traffic, promptly from the next TU level of AU1 business to AU2 because be configuration for the first time, in the time-division Cross module not for it disposes fixedly tunnel traffic point, so carry out next step.Before this step, also can be to the unique service identification of the non-protection tunnel traffic configuration of each bar.
Second step a: clear position in the time-division Cross module is distributed to this tunnel traffic, and be labeled as the fixedly tunnel traffic point of this tunnel traffic, with the service identification of this tunnel traffic fixing tunnel traffic point is shown knowledge simultaneously.
The 3rd step: the above-mentioned non-protection tunnel traffic of configuration arrives its fixedly space division cross of tunnel traffic point in the space division cross module, and simultaneously, the described tunnel traffic of configuration was intersected by the time-division of this tunnel traffic point in the time-division Cross module, connected the result as shown in Figure 3.
The 4th step: receive above-mentioned tunnel traffic is adjusted into the business reorganization order of SNCP protection tunnel traffic after, take out this order, search the fixedly tunnel traffic point of this tunnel traffic according to sign.
The 5th step: in the space division cross module, delete the space division cross of original business to described fixedly tunnel traffic point, fixedly the space division cross and the SNCP protection in empty minute of tunnel traffic point intersect to reconfigure above-mentioned tunnel traffic road; Simultaneously, fixedly the time-division crossedpath of tunnel traffic point is constant by this in the time-division Cross module to keep above-mentioned tunnel traffic, and the connection result as shown in Figure 4 after finishing.
Embodiment two
In the present embodiment; the business reorganization order that current SNCP protection tunnel traffic is adjusted into non-protection tunnel traffic is received by system; then corresponding method of adjustment is: search the fixedly tunnel traffic point of this SNCP protection tunnel traffic, the empty minute protection intersection of SNCP of deleting the fixedly tunnel traffic point of this tunnel traffic in the space division cross module gets final product.
Embodiment three
In the present embodiment; an order that current non-protection tunnel traffic path is adjusted (is for example received by system; to adjust to AU2 from AU1); then corresponding method of adjustment is: in the space division cross module; reconfigure current tunnel traffic by new path and arrive its fixedly space division cross of tunnel traffic point, and keep time-division intersection and the path of this tunnel traffic in the time-division Cross module constant.
From said process as can be known, when adopting said method to carry out the tunnel traffic adjustment, only need space division cross or the path of tunnel traffic in the space division cross module adjusted, compared with prior art, do not need its time-division intersection or path in the time-division Cross module is adjusted, thereby saved the time, and professional wink break time has been controlled in the 50MS, can not influence user's regular traffic.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the tunnel traffic method of adjustment of a synchronous digital system network is characterized in that, may further comprise the steps:
(1), in the time-division Cross module, sets up fixing tunnel traffic point for it for every tunnel traffic;
(2) according to the business configuration order, for current tunnel traffic, its fixedly space division cross of tunnel traffic point is arrived in one or two of configuration in the space division cross module, and its fixedly time-division intersection of tunnel traffic point is passed through in one of configuration in the time-division Cross module;
(3) receive tunnel traffic adjustment order after, according to this tunnel traffic adjustment order intersection or the path of corresponding tunnel service in the space division cross module adjusted, and kept intersection and the path of this tunnel traffic in the time-division Cross module constant.
2. the tunnel traffic method of adjustment of synchronous digital system network as claimed in claim 1, it is characterized in that, in the described step (3), if described tunnel traffic adjustment order is service path adjustment order, then this step further comprises: in the space division cross module, reconfigure current tunnel traffic by new path and arrive its fixedly space division cross of tunnel traffic point, and keep time-division intersection and the path of this tunnel traffic in the time-division Cross module constant.
3. the tunnel traffic method of adjustment of synchronous digital system network as claimed in claim 1; it is characterized in that; in the described step (3), if described tunnel traffic adjustment order is for being adjusted into current non-protection tunnel traffic the adjustment order of SNCP protection tunnel traffic, then this step further comprises:
A, search the fixedly tunnel traffic point of current non-protection tunnel traffic;
B, in the space division cross module, newly dispose a sky and divide and protect intersection to the fixedly tunnel traffic point of described tunnel traffic; Simultaneously, keep time-division intersection and the path of this tunnel traffic in the time-division Cross module constant.
4. the tunnel traffic method of adjustment of synchronous digital system network as claimed in claim 1; it is characterized in that; in the described step (3), if described tunnel traffic adjustment order is for being adjusted into current SNCP protection tunnel traffic the adjustment order of non-protection tunnel traffic, then this step further comprises:
A, find out the fixedly tunnel traffic point of current SNCP protection tunnel traffic;
B, the sky minute protection of deleting the fixedly tunnel traffic point of described tunnel traffic in the space division cross module intersect, and keep the time-division of this tunnel traffic in the time-division Cross module to intersect and the path constant.
5. as the tunnel traffic method of adjustment of the arbitrary described synchronous digital system network of claim 1 to 4, it is characterized in that, also comprise in the described method: to every unique service identification of tunnel traffic configuration, and with this service identification its fixing tunnel traffic point is made a check mark, identify according to this and search fixedly tunnel traffic point.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810068145XA CN101299892B (en) | 2008-06-27 | 2008-06-27 | Method for regulating tunnel service of synchronous digital hierarchy network |
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| CN200810068145XA CN101299892B (en) | 2008-06-27 | 2008-06-27 | Method for regulating tunnel service of synchronous digital hierarchy network |
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| CN101299892B true CN101299892B (en) | 2011-03-23 |
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| 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 |
| CN106650186B (en) * | 2015-10-29 | 2021-04-06 | 国网智能电网研究院 | Power communication SDH equipment risk assessment quantification method based on expert scoring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492603A (en) * | 2003-09-28 | 2004-04-28 | 中兴通讯股份有限公司 | Tunnel establishing method of automatic switching optial network |
| CN1633103A (en) * | 2003-12-24 | 2005-06-29 | 华为技术有限公司 | Integrated cross switch unit and service scheduling method thereof |
| CN1820438A (en) * | 2003-08-05 | 2006-08-16 | 意大利电信股份公司 | Method for providing extra-traffic paths with connection protection in communication network, related network and computer program product therefor |
| CN101179351A (en) * | 2006-11-07 | 2008-05-14 | 中兴通讯股份有限公司 | Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1820438A (en) * | 2003-08-05 | 2006-08-16 | 意大利电信股份公司 | Method for providing extra-traffic paths with connection protection in communication network, related network and computer program product therefor |
| CN1492603A (en) * | 2003-09-28 | 2004-04-28 | 中兴通讯股份有限公司 | Tunnel establishing method of automatic switching optial network |
| CN1633103A (en) * | 2003-12-24 | 2005-06-29 | 华为技术有限公司 | Integrated cross switch unit and service scheduling method thereof |
| CN101179351A (en) * | 2006-11-07 | 2008-05-14 | 中兴通讯股份有限公司 | Dynamic allocation method for space/time division cross time slot resource of synchronous digital hierarchy equipment |
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