CN102377484B - Method for detecting business security of station in-out cable of transmission network station - Google Patents

Method for detecting business security of station in-out cable of transmission network station Download PDF

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CN102377484B
CN102377484B CN201110312721.2A CN201110312721A CN102377484B CN 102377484 B CN102377484 B CN 102377484B CN 201110312721 A CN201110312721 A CN 201110312721A CN 102377484 B CN102377484 B CN 102377484B
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optical cable
optical
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CN102377484A (en
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袁隽
黄志涛
左世春
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University of Science and Technology Beijing USTB
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University of Science and Technology Beijing USTB
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Abstract

The invention relates to a method for detecting business security of a station in-out cable of a transmission network station, which can be used for analyzing the reliability of the station in-out cable and a business protection system according to a bearing relevance relation among a cable source, a transmission system and transmission network element equipment. The method comprises the following steps of: carrying out whole-course relevance serial connection on a fiber core with a static wire resource, an optical cable and a physical bearing facility of the optical cable which are arranged outside a station, and an optical distribution frame(ODF), a terminal, transmission equipment and a transmission equipment port which are arranged inside the station; and carrying out combined detection on a serial connection result and the transmission system to find out a cable potential safety hazard at a common bearing point of an in-out station common cable which can cause that in-station batch services are blocked. The combined detection comprises the following steps of: step 1, serially connecting fiber cores to form end-to-end optical fiber data; step 2, completing a relevance between the transmission system and physical optical fibers by means of relating a logic with a physical source; and step 3, analyzing the business security of the station in-out cable and then judging whether the potential safety hazard at the common bearing point of the common cable exists.

Description

A kind of transmission network office Incoming optical cable service security detection method of standing out
Technical field
The present invention relates to transmission network and communication resource management technology, is a kind of transmission network office Incoming optical cable service protection safety detecting method of standing out.Adopt the described detection method can be by associated bearing relation between cable resource and transmission system and transmission network element device, stand out the reliability of Incoming optical cable and service protection of analysis office.
Background technology
Network quality is the focus that operator is concerned about most always, thereby network operation ensures that from the timely handling failure of backward discovery fault, turning to the hidden network danger discovery of forward direction to realize fault evades.The basis of transmission network is cable resource, and all service bearers are on optical cable.Because the communication failure that interruption of optical cables causes is the most common failure in transport service, the self-healed protection ability of transmission looped network self can reduce the impact of this problem on business effectively.But real network, in long-term regular maintenance process, is constantly adjusted after network connection and structural information, easily occur that primary path and Protection path are through same section of optical cable; Even if or passed through different optical cables, but these two sections of optical cables are but laid in an identical segment pipe section.Under this network configuration state, once occur, after natural calamity or artificial destruction, will directly cause the business of intra-office cannot pass through the self-healed protection capacity protection business of transmission network, business is interrupted.
Fig. 1 is the schematic network structure of transmission network in prior art.As shown in Figure 1, A, B, C, D, E, F, G totally 7 the office stations that distributing on transmission network, wherein A office station is important office station, for example, important station or the core office of converging.A office station go out Incoming optical fiber AB, AG, if there is out the Incoming cable situation of bearing point altogether altogether, once interruption of optical cables will cause A office to become network islands, the self-healed protection ability on equipment cannot come into force.
From the management maintenance of current transmission network, realize stand out the analysis of Incoming optical cable and service protection reliability of automation office, the problem and blemish existing, have following some: 1. transport network architecture complexity, huge especially for the number of, lines at relatively important tandem exchange, core office and adjacent office station; Also need to consider the difference of logical network topology and actual physics circuit and associated, complexity is general as seen simultaneously.Present manual analysis inefficiency, seems unable to do what one wishes, for the analysis impossible mission especially of wanting to accomplish the whole network.2. Utility Engineers easily causes confusion in the data management of analyzing network configuration.Data is concentrated not, or upgrades not in time, easily causes mistake analysis.Particularly, in the situation that not understanding transmission node attribute, more easily make mistakes.3. logical cyclic ring network and physical circuit data belong in many cover systems and manage, and unified comprehensive platform carries out comprehensive management, cannot realize the linkage analysis of logical AND physical resource data.
Summary of the invention
The present invention is directed to the defect or the deficiency that in prior art, exist, a kind of transmission network office Incoming optical cable service protection safety detecting method of standing out is provided.Adopt the described detection method can be by associated bearing relation between cable resource and transmission system and transmission network element device, stand out the reliability of Incoming optical cable and service protection system of analysis office.
Technical scheme of the present invention is as follows:
A kind of transmission network office Incoming optical cable service protection safety detecting method of standing out, it is characterized in that, comprise: by the fibre core of line resource static state not in the know, physical carrier facility (people's well of optical cable and optical cable, pipeline, electric pole, make somebody a mere figurehead etc.), fibre distribution frame ODF (Optical Distribution Frame fibre distribution frame) with intra-office, terminal, transmission equipment, and transmission equipment port carries out omnidistance association serial connection, and serial connection result and transmission system are carried out to combination detection, thereby find out, may cause the Incoming that of the full resistance of intra-office batch service to be total to cable bearing point (people's well altogether, pipeline, electric pole, make somebody a mere figurehead etc.) optical cable fail safe hidden danger, described combination detects and comprises the following steps: step 1, serial connection fibre core, form end-to-end fiber data, step 2, by the association of logical AND physical resource, complete the associated of transmission system and physical fiber, the Incoming optical cable bearer service fail safe of standing out of step 3, analysis office, judges whether to exist common cable bearing point hidden danger altogether.
" the serial connection fibre core; form end-to-end fiber data " of described step 1 refers to: by the jumper connection between the fibre core of line resource not in the know, optical cable and Optical cross connects point device equipment such as () Optical cross connects case, light fiber-dividing box, light connector boxs, carry out omnidistance associated serial connection with fibre distribution frame ODF (Optical Distribution Frame fibre distribution frame) and the ODF terminal of intra-office, form complete end-to-end fiber data.
The complete end-to-end fiber data of described formation specifically comprises: according to the screening mode of network element model in manual markings or office station, determine the office station that need to analyze; According to target network element, inquire topological connectivity ports all on this network element, according to this port, find out the pair of O DF terminal associated with it;
Calculate the complete fibre core route of intra-office network element discrepancy office; Subsistence logic topological relation between adjacent office station network element, every logical topology connection is carried on the optical fiber of physics, the fibre core that optical fibre packages contains belongs to certain optical cable, this optical cable has passed through some optical cable carrying facilities and some Optical cross connects point devices, by ODF terminal, fibre core, terminal jumper connection are spliced to search piecemeal, thereby calculate complete fibre core routing iinformation (seeing that Fig. 3 intra-office goes out the complete optical fiber schematic diagram of Incoming network element);
According to target network element, inquire topological connectivity ports all on this network element, according to this port, find out the pair of O DF terminal associated with it; According to the terminal jumper connection relation on ODF frame, and the annexation between different ODF frame, find the fibre core of departures;
According to fibre core and Optical cross connects point incidence relation outside station, and the jumper connection relation data in Optical cross connects point, search for piecemeal next section of fibre core, with this, move in circles, until opposite end Optical cross connects point is ODF terminal.
For preventing that this algorithm is provided with the restriction of maximum hop count because data problem causes Infinite Cyclic search, when searching times reaches maximum hop count, end search procedure.
" by the association of logical AND physical resource; complete the associated of transmission system and physical fiber " of described step 2 refers to: the logic optical port of transmission network element device and the fiber data being connected in series are carried out associated, realize associated between the transmission system of carrying on logic optical port and physical fiber data.
Describedly realize associated between the transmission system of carrying on logic optical port and physical fiber data and specifically comprise: the East and West direction line port on transmission network element is shone upon to grouping according to transmission system, that is: the transmission system through this network element is enumerated, and transmission system is carried out to paired grouping at inbound port and the outbound port of this network element;
According to the device port being divided into group, be related to query the fiber data on these ports; Realize the relationship maps of logical transport system and physical fiber.
" the analysis office stand out the fail safe of Incoming optical cable bearer service " of described step 3 refers to: first two steps complete serial connection checking to fiber data and with logical resource information association after, start the Incoming optical cable bearer service fail safe of standing out of analysis office.
The Incoming optical cable bearer service fail safe of standing out of described analysis office specifically comprises: utilize the physical fiber having realized in step 2 to be associated with the transmission system of logic, take the optical fiber that connects on paired device port as unit, travel through all fibre cores of this optical fiber, contrast piecemeal the affiliated optical cable information of fibre core, if optical cable is identical under there is transmeridional optical fiber, thinks and find a cable hidden danger altogether;
Find to be if there is no total to cable hidden danger, but do not represent the service security on optical cable, also need to continue to analyze transmeridional optical cable and whether through same optical cable, carry facility; Comparison carrying facilities information piecemeal, if identical, think and finds that one with optical cable bearing point hidden danger information;
Take the website of present analysis as starting point, analyze these optical cables pipeline and the pole line route of process; Route first man well/electric pole is defined as to " well/bar before office ";
In contrast route, whether there is well/bar before identical office, if had, think and find with well/bar hidden danger before office.
Technique effect of the present invention is as follows:
The business that the present invention comprehensively analyzes network by information such as the manual static ODF arranging of the net element information gathering from producer's webmaster, topological link information, system information combination, optical cable, fibre core, Optical cross connects point device, fibre core jumper connections ensures reliability.
The present invention is automatic search algorithm, and relatively existing artificial judgment method, possesses accuracy high, the advantage that efficiency is high.By regular automatic search task is set, periodically generation office station cable bearing point Hazard Analysis Report altogether altogether, saves human cost greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmission network in prior art.
Fig. 2 is physical connection network model schematic diagram between office station.
Fig. 3 is the complete optical fiber schematic diagram that intra-office goes out Incoming network element.
Fig. 4 is transmission network element East and West direction circuit panel schematic diagram.
Embodiment
Below in conjunction with accompanying drawing (Fig. 2-Fig. 4), the present invention will be described.
Fig. 2 is physical connection network model schematic diagram between office station.Core thinking of the present invention is: the physical carrier facility of fibre core, optical cable and the optical cable of line resource static state not in the know (people's well, pipeline, electric pole, built on stilts etc.) is carried out to omnidistance associated serial connection with ODF, terminal, transmission equipment, the transmission equipment port of intra-office; and serial connection result and transmission system are carried out to binding analysis, find out and may cause the Incoming that of the full resistance of intra-office business in enormous quantities to be total to the cable optical cable service protection fail safe hidden danger of bearing point altogether.
Hidden danger definition is explained: the common cable hidden danger of the office network optical fiber of coming in and going out: pass in and out the physics fibre core of logical groups net topology carrying of this innings in same optical cable; Go out the common bearing point hidden danger of Incoming optical cable: the optical cable at this innings of station of coming in and going out is through same optical cable carrying facility (people's well, pipeline, electric pole, built on stilts etc.).
As shown in Figure 2, in figure, 1,2,3,4 innings of station forms protection subnet, and before the office at innings station 1, well B is connected to the rear well C of office of website 2 by optical cable, then by well D striking out before office; After optical cable, by the well E office of entering station 3 before office, well F striking out from office; Through optical cable FG, the well G office of entering station 4 from office, from office, an innings front well B is got back in well H striking out, by the well B office of entering station 1 before office.Under this network condition, if when municipal works appear in the pipeline between the front well B of office and office station 1, by causing the service protection inefficacy at whole office station 1, become network islands, all business in office station 1 hinder entirely, and traffic failure occurs.If office station 1 is important office or the core office of converging, fault now will cause large-area network failure, and this hidden network danger is very serious.
The transmission system, network element, port, the topology that in this network model, relate to logical network aspect connect all to be obtained from producer's network management interface by gathering.The ODF terminal of static physical network level, fibre core, optical cable, optical cable bearing relation are arranged and are obtained by craft.
The core of algorithm is that the transmission system by carrying for network element East and West direction optical fiber is analyzed: seeing that optical fiber that same transmission system on a network element connects East and West direction opposite end network element is whether on same optical cable, is to be cable hidden danger altogether; Otherwise continue to analyze this optical cable that goes out Incoming whether same go out on Incoming carrying facility, be to be the common bearing point hidden danger that Incoming optical cable, otherwise there is not optical cable service protection fail safe hidden danger in the equipment of this intra-office.
Detailed algorithm is set forth:
Step 1, serial connection fibre core, form end-to-end fiber data;
According to the screening mode of network element model (the above network element of 10G) in manual markings or office station, determine the office station that need to analyze.
Fig. 3 is the complete optical fiber schematic diagram that intra-office goes out Incoming network element.That calculates intra-office network element goes out Incoming optical cable fibre core route.Office station is connected subsistence logic topological relation between network element in standing with adjacent office.Every logical topology connection is carried on the optical fiber of physics, the fibre core that optical fibre packages contains belongs to certain optical cable, this optical cable has passed through some optical cable carrying facilities and some Optical cross connects point devices, by ODF terminal, fibre core, terminal jumper connection are spliced to search piecemeal, can calculate complete optical fiber routing iinformation.
According to target network element, inquire topological connectivity ports all on this network element, according to this port, find out the pair of O DF terminal associated with it.
According to the terminal jumper connection relation on ODF frame, and the annexation (tail optical fiber) between different ODF frame, find the fibre core of departures.
According to fibre core and Optical cross connects point incidence relation outside station, and the jumper connection relation data in Optical cross connects point, search for piecemeal next section of fibre core, with this, move in circles, until opposite end Optical cross connects point is ODF terminal.For preventing because data problem causes Infinite Cyclic search, this algorithm is provided with the restriction (acquiescence 1000 is jumped) of maximum hop count, when searching times reaches maximum hop count, ends search procedure.
Step 2, the association of logical AND physical resource, complete the associated of transmission system and physical fiber;
The logic optical port of transmission network element device and the fiber data being connected in series are carried out associated, realize associated between the transmission system of carrying on logic optical port and physical fiber data, and by associated with physical fiber network element East and West direction equipment veneer.
East and West direction line port on transmission network element is shone upon to grouping according to transmission system, that is: the transmission system through this network element is enumerated, and transmission system is carried out to paired grouping at inbound port and the outbound port of this network element;
Fig. 4 is transmission network element East and West direction circuit panel schematic diagram.In figure, 1,2,3,4 are line group road veneer, and wherein 1,3 is same transmission system, and 2,4 is same transmission system.Therefore the port of 1 and 3 veneers need to be put together and is considered, the port of 2 and 4 veneers is put together and is considered.
According to the device port being divided into group, be related to query the fiber data on these ports; Realize the relationship maps of logical transport system and physical fiber.
The Incoming optical cable bearer service fail safe of standing out of step 3, analysis office, judges whether to exist common cable bearing point hidden danger altogether.
First two steps complete serial connection checking to fiber data and with logical resource information association after, start the Incoming optical cable service protection fail safe of standing out of analysis office.
Through step 2, realized physical fiber and be associated with the transmission system of logic.Take the optical fiber that connects on paired device port as unit, travel through all fibre cores of this optical fiber, contrast piecemeal optical cable information under fibre core, if optical cable is identical under there is transmeridional optical fiber, thinks and find a cable hidden danger altogether.
Find to be if there is no total to cable hidden danger, but do not represent the service security on optical cable, also need to continue to analyze transmeridional optical cable and whether through same optical cable, carry facility; Comparison carrying facilities information piecemeal, if identical, think and finds that one with optical cable bearing point hidden danger information;
Take the website of present analysis as starting point, analyze these optical cables pipeline and the pole line route of process; Route first man well/electric pole is defined as to " well/bar before office ";
In contrast route, whether there is well/bar before identical office, if had, think and find with well/bar hidden danger before office.
A kind of transmission network office Incoming optical cable service security detection method of standing out, it is characterized in that comprising, by the fibre core of line resource static state not in the know, the physical carrier facility of optical cable and optical cable, ODF (Optical Distribution Frame fibre distribution frame) with intra-office, terminal, transmission equipment, and transmission equipment port carries out omnidistance association serial connection, and serial connection result and transmission system are carried out to binding analysis, find out and may cause the Incoming that of the full resistance of intra-office business in enormous quantities to be total to cable bearing point (people's well altogether, pipeline, electric pole, make somebody a mere figurehead etc.) optical cable fail safe hidden danger.
At this, indicate, above narration contributes to those skilled in the art to understand the invention, but and the protection range of unrestricted the invention.Any do not depart from the invention flesh and blood to being equal to replacement, modifying and improve and/or delete numerous conforming to the principle of simplicity and the enforcement carried out of above narration, all fall into the protection range of the invention.

Claims (6)

1. the transmission network office Incoming optical cable service protection safety detecting method of standing out, it is characterized in that, comprise: by the physical carrier facility of fibre core, optical cable and the optical cable of line resource static state not in the know, carry out omnidistance associated serial connection with fibre distribution frame ODF, terminal, transmission equipment and the transmission equipment port of intra-office, and serial connection result and transmission system are carried out to combination detection, thereby find out, may cause the Incoming that of the full resistance of intra-office batch service to be total to the cable optical cable fail safe hidden danger of bearing point altogether; Described combination detects and comprises the following steps: step 1, serial connection fibre core, form end-to-end fiber data; Step 2, by the association of logical AND physical resource, complete the associated of transmission system and physical fiber; The Incoming optical cable bearer service fail safe of standing out of step 3, analysis office, judges whether to exist common cable bearing point hidden danger altogether;
The Incoming optical cable bearer service fail safe of standing out of described analysis office specifically comprises: utilize the physical fiber having realized in step 2 to be associated with the transmission system of logic, take the optical fiber that connects on paired device port as unit, travel through all fibre cores of this optical fiber, contrast piecemeal the affiliated optical cable information of fibre core, if optical cable is identical under there is transmeridional optical fiber, thinks and find a cable hidden danger altogether;
Find to be if there is no total to cable hidden danger, but do not represent the service security on optical cable, also need to continue to analyze transmeridional optical cable and whether through same optical cable, carry facility; Comparison carrying facilities information piecemeal, if identical, think and finds that one with optical cable bearing point hidden danger information;
Take the website of present analysis as starting point, analyze these optical cables pipeline and the pole line route of process; Route first man well/electric pole is defined as to " well/bar before office ";
In contrast route, whether there is well/bar before identical office, if had, think and find with well/bar hidden danger before office.
2. the transmission network according to claim 1 office Incoming optical cable service protection safety detecting method of standing out; it is characterized in that; " the serial connection fibre core; form end-to-end fiber data " of described step 1 refers to: by the jumper connection between the fibre core of line resource not in the know, optical cable and Optical cross connects point device; carry out omnidistance associated serial connection with fibre distribution frame ODF and the ODF terminal of intra-office, form complete end-to-end fiber data.
3. the transmission network according to claim 2 office Incoming optical cable service protection safety detecting method of standing out, it is characterized in that, the complete end-to-end fiber data of described formation specifically comprises: according to the screening mode of network element model in manual markings or office station, determine the office station that need to analyze; According to target network element, inquire topological connectivity ports all on this network element, according to this port, find out the pair of O DF terminal associated with it;
Calculate the complete fibre core route of intra-office network element discrepancy office; Subsistence logic topological relation between adjacent office station network element, every logical topology connection is carried on the optical fiber of physics, the fibre core that optical fibre packages contains belongs to certain optical cable, this optical cable has passed through some optical cable carrying facilities and some Optical cross connects point devices, by ODF terminal, fibre core, terminal jumper connection are spliced to search piecemeal, thereby calculate complete fibre core routing iinformation;
According to target network element, inquire topological connectivity ports all on this network element, according to this port, find out the pair of O DF terminal associated with it; According to the terminal jumper connection relation on ODF frame, and the annexation between different ODF frame, out fibre core found;
According to fibre core and Optical cross connects point incidence relation outside station, and the jumper connection relation data in Optical cross connects point, search for piecemeal next section of fibre core, with this, move in circles, until opposite end Optical cross connects point is ODF terminal.
4. the transmission network according to claim 3 office Incoming optical cable service protection safety detecting method of standing out; it is characterized in that, for preventing that this algorithm is provided with the restriction of maximum hop count because data problem causes Infinite Cyclic search; when searching times reaches maximum hop count, end search procedure.
5. the transmission network according to claim 1 office Incoming optical cable service protection safety detecting method of standing out; it is characterized in that; " by the association of logical AND physical resource; complete the associated of transmission system and physical fiber " of described step 2 refers to: the logic optical port of transmission network element device and the fiber data being connected in series are carried out associated, realize associated between the transmission system of carrying on logic optical port and physical fiber data.
6. the transmission network according to claim 5 office Incoming optical cable service protection safety detecting method of standing out, it is characterized in that, describedly realize associated between the transmission system of carrying on logic optical port and physical fiber data and specifically comprise: the East and West direction line port on transmission network element is shone upon to grouping according to transmission system, that is: the transmission system through this network element is enumerated, and transmission system is carried out to paired grouping at inbound port and the outbound port of this network element;
According to the device port being divided into group, be related to query the fiber data on these ports; Realize the relationship maps of logical transport system and physical fiber.
CN201110312721.2A 2011-10-14 2011-10-14 Method for detecting business security of station in-out cable of transmission network station Active CN102377484B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101713668A (en) * 2008-10-03 2010-05-26 江苏通光光缆有限公司 Device and method for detecting ice coating, short circuit and lightning strike faults on power lines in real time
CN101753210A (en) * 2008-12-18 2010-06-23 中国移动通信集团天津有限公司 Method for determining fault point position of optical cable and device thereof
CN201957024U (en) * 2011-01-12 2011-08-31 沈启东 Electronic ID (identification) tag recognition device and optical-fiber connector of optical-fiber network

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101713668A (en) * 2008-10-03 2010-05-26 江苏通光光缆有限公司 Device and method for detecting ice coating, short circuit and lightning strike faults on power lines in real time
CN101753210A (en) * 2008-12-18 2010-06-23 中国移动通信集团天津有限公司 Method for determining fault point position of optical cable and device thereof
CN201957024U (en) * 2011-01-12 2011-08-31 沈启东 Electronic ID (identification) tag recognition device and optical-fiber connector of optical-fiber network

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