CN107846298A - Network connection automatic discovering method and system - Google Patents

Network connection automatic discovering method and system Download PDF

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Publication number
CN107846298A
CN107846298A CN201610837998.XA CN201610837998A CN107846298A CN 107846298 A CN107846298 A CN 107846298A CN 201610837998 A CN201610837998 A CN 201610837998A CN 107846298 A CN107846298 A CN 107846298A
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China
Prior art keywords
network element
identification information
network
port
manager
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CN201610837998.XA
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CN107846298B (en
Inventor
刘捷
汪海强
江峰
胡全舟
吴坚
张淑建
陆明涵
陈婧华
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02—Standardisation; Integration
    • H04L41/022—Multivendor or multi-standard integration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/02—Standardisation; Integration
    • H04L41/0233—Object-oriented techniques, for representation of network management data, e.g. common object request broker architecture [CORBA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/06—Management of faults, events, alarms or notifications
    • H04L41/0677—Localisation of faults
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0876—Aspects of the degree of configuration automation
    • H04L41/0886—Fully automatic configuration

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The present invention discloses a kind of network connection automatic discovering method and system, is related to field of data transmission.Discovery system therein includes：Network manager, multiple NE Explorer and multiple network elements, multiple network elements are respectively by different NE Explorer management；Identification information corresponding to this network element port is write in service signal and sent by network element, or identification information is read from the service signal of reception, and reports network manager by NE Explorer；NE Explorer forwards the information transmitted between network element and network manager；Network manager receives the identification information that network element is reported by NE Explorer, according to the network element port network element port corresponding with the identification information that the correspondence relationship information determination of mark reports, the logic connecting relation established between network element port corresponding to identification information and the network element port for reporting identification information.So that the logic association in different network elements manager between network element is found automatically, the logic association in even different management domains between network element.

Description

Network connection automatic discovering method and system
Technical field
The present invention relates to field of data transmission, more particularly to a kind of network connection automatic discovering method and system.
Background technology
Transmission system relies primarily on EMS (NE Explorer) at present and NMS (network manager) is managed to network element. EMS is provided by equipment vendors, is communicated by the proprietary protocol of each manufacturer with network element.NMS mainly by CORBA or MTOSI (Multi-Technology Operations Systems Interface, more technical operation system interfaces) etc. is general Interface is managed to EMS, by managing monitoring and management of the EMS realizations to bottom network element.
For the system of single EMS management, mainly include service class veneer and miscellaneous function class veneer, veneer is according to signal The data flow direction for sending or receiving is attached by the optical fiber of physics.Due to being entered between each veneer and port by optical fiber Row connection, optical fiber are only responsible for the transmission of information, do not transmit the incidence relation between veneer.
EMS supervises to business and equipment, first by manual creation virtual link optical fiber, by the physics between veneer Annexation, which maps out, to be come, and the logic association relation of veneer is established, then by EMS graphic interface, by each tables of equipment Plate connects, and shows the real-time route of business, is easy to attendant to manage and analyze network.
By the above-mentioned means, solving the problems, such as the logic association in same EMS between network element, but can not solve difference Between EMS, EMS logic association particularly between different vendor, the discrete present situation of network between different management domains, dimension result in Shield personnel, it is necessary to log in multiple EMS, add management difficulty, fault location time length, effect when carrying out O＆M to cross-domain service Rate is low.
The content of the invention
The invention solves a technical problem be：Logic association in different EMS between network element is pinpointed the problems.
On the one hand, the present invention provides a kind of network connection automatic discovering method, including：
First network element writes the first identification information corresponding to the first network element port in service signal, and sends the business Signal；
The second network element for receiving the service signal reads the first identification information from the service signal, and passes through net First manager reports network manager；
Network manager receives the first identification information that the second network element is sent, according to network element port and the corresponding relation of mark Information determines the corresponding first network element port of the first identification information, the logic established between the first network element port and the second network element port Annexation.
In one embodiment, the first network element writes first identification information OTUk expenses of the service signal The self-defined byte of operator；The first mark letter is read in the self-defined byte of operator of second network element from the service signal of reception Breath.
In one embodiment, network manager periodic analysis is in the network element port pair of connection status, if network element end The identification information that mouth centering is sent is different with the identification information received, deletes the logic connecting relation of the network element port pair, or If the either port of person's network element port centering does not receive the identification information of another port, the network element port is deleted to patrolling Collect annexation.
In one embodiment, this method also includes：
Second network element writes the second identification information corresponding to the second network element port in service signal, and sends the business Signal；
The 3rd network element for receiving the service signal reads the second identification information from the service signal, and reports Network manager；
Network manager receives the second identification information that the 3rd network element is sent, according to network element port and the corresponding relation of mark Information determines the corresponding second network element port of the second identification information, the logic established between the second network element port and the 3rd network element port Annexation.
In one embodiment, network manager is connected the logic between network element port by way of virtual link optical fiber The relation of connecing is shown.
In one embodiment, the network element send configuration information that network manager is administered by NE Explorer to it, institute Stating configuration information includes identification information corresponding to network element port.
Another further aspect, the present invention also provide a kind of network connection discovery system, including：Network manager, multiple nets First manager and multiple network elements, the multiple network element is respectively by different NE Explorer management；
Network element is used to write identification information corresponding to this network element port in service signal, and to described in the transmission of other network elements Service signal, or for reading identification information from the service signal of reception, and by the identification information of reading by managing The NE Explorer for stating network element reports network manager；
NE Explorer is used to the identification information of reported by network elements being transmitted to network manager, and network manager is issued Identification information be transmitted to corresponding network element；
Network manager is used to issue its identification information to network element by managing the NE Explorer of the network element, and receives The identification information read in the service signal from reception that network element is reported by managing the NE Explorer of the network element, according to net First port network element port corresponding with the identification information that the correspondence relationship information determination of mark reports, it is corresponding to establish identification information Logic connecting relation between network element port and the network element port for reporting identification information.
In one embodiment, network element writes identification information corresponding to this network element port the OTUk expenses of service signal The self-defined byte of operator, and read identification information in the self-defined byte of operator of the service signal from reception.
In one embodiment, network manager is additionally operable to the network element port pair that periodic analysis is in connection status, if The identification information that the centering of network element port is sent is different with the identification information received, and the logic connection for deleting the network element port pair is closed System, or, if the either port of network element port centering does not receive the identification information of another port, delete the network element port To logic connecting relation.
In one embodiment, network manager is additionally operable between network element port by way of virtual link optical fiber Logic connecting relation is shown.
By such scheme, the present invention can have found the logic association in different network elements manager between network element automatically, even The logic association in different management domains between network element can be found automatically.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of inventive network connection discovery system one embodiment.
Fig. 2 is the schematic flow sheet of inventive network connection automatic discovering method one embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes.
Pinpointed the problems for the logic association between network element in different network elements manager, propose the present invention.
Fig. 1 is the structural representation of inventive network connection discovery system one embodiment.The network connection is automatic It was found that system for example can apply to OTN (optical transfer network) transfers net system.
As shown in figure 1, network connection discovery system 10 divides for three layers, respectively NE (network element) layer, EMS (network element pipes Manage device) layer and NMS (network manager) layer.The equipment and function of each layer are described separately below.
NE layers are layers of physical devices, including the equipment such as multiple network elements 11, finishing service signal send and receive.Transmitting terminal Network element be used in identification information write-in service signal corresponding to this network element port, and send the business to other network elements and believe Number, the network element of receiving terminal is used to read identification information from the service signal of reception, and by the identification-information reporting of reading to net Network manager.Wherein, the network element of receiving terminal can write identification information corresponding to this network element port the OTUk (light of service signal Converting unit) expense (SM section overheads) the self-defined byte of operator (i.e. TTI bytes), and the operation of the service signal from reception Identification information is read in the self-defined byte of business.All service signals transmitted in OTN system, comprising this overhead byte information, So that the universality of this method is more preferable.TTI identifies for path tracing, total in a multi-frame positioned at the first character section of SM sections Share the TTI of 4 64 bytes.TTI is made up of three parts：The access point instruction of SAPI sources, the access point instruction of DAPI mesh, Self-defined (or special) part of Operator Specific operators.ID number information can be located at Operator Specific words Save part.In addition, network element can receive the configuration information of NE Explorer transmission, configuration information includes the correspondence of network element port Identification information, so as to know the identification information of this network element port.
EMS layers may belong to same management as intermediate layer, including multiple NE Explorer 12, these NE Explorer 12 Domain or different management domains, or can also be provided by different producers.EMS layers are responsible for receiving and issue the configuration from NMS layers Information, and it is transmitted to NE layers；Meanwhile the identification information of NE layer reported by network elements is uploaded to NMS layers.
NMS layers are the key-course of the whole network, and whole network is managed and configured, can manage multiple NE Explorer 12, Main to include network manager 13, network manager 13 is stored with the network element port pass corresponding with its identification information of whole network elements It is information, the unique identification information of each network element port can be issued to by NE layers via EMS layers by configuration information, and handle NE layers network element is via the identification information read in the service signal from reception reported and submitted on EMS layers, according to network element port and mark Correspondence relationship information determine network element port corresponding to the identification information that reports, establish network element port corresponding to identification information with it is upper Report the logic connecting relation between the network element port of identification information.By way of virtual link optical fiber can by network element port it Between logic connecting relation show.Network manager 13 can be in the network element port pair of connection status with periodic analysis, If the identification information that the centering of network element port is sent is different with the identification information received, the logic for deleting the network element port pair connects Relation is connect, or, if the either port of network element port centering does not receive the identification information of another port, delete the network element The logic connecting relation of port pair.
Fig. 2 is the schematic flow sheet of inventive network connection automatic discovering method one embodiment.It is assumed here that the first net Member belongs to the first NE Explorer, and the second network element belongs to the second NE Explorer, i.e. the first network element and the second network element belong to different NE Explorer, further, the first NE Explorer and the second NE Explorer may belong to different management domains.Such as figure Shown in 2, the method for the present embodiment includes：
S201, the first network element send configuration information that network manager is administered by the first NE Explorer to it, configuration Information includes the first identification information corresponding to the first network element port, and the first network element identifies corresponding to the first network element port first In the TTI bytes of information write-in service signal, and downstream send the service signal.
S202, after second network element in downstream receives the service signal, the first mark is read from the TTI bytes of service signal Know information, and network manager is reported by the second NE Explorer.
Meanwhile second network element by corresponding to the second network element port the second identification information write service signal TTI bytes in, The regeneration of finishing service signal, continuation downstream send the service signal.If the 3rd network element receives the service signal, from this The second identification information is read in the TTI bytes of service signal, and reports network manager.3rd network element may be referred to foregoing side Method continues downstream to send service signal, until service signal is reached home.
S203, the identification information that each network element port of network manager periodic analysis sends and receives, will send and receive The network element port of same identification information is stored into service path to establishing logic connecting relation.
For example, network manager receives the first identification information that the second network element is sent, according to network element port and pair of mark Answer relation information to determine the corresponding first network element port of the first identification information, establish between the first network element port and the second network element port Logic connecting relation.
In another example network manager receives the second identification information that the 3rd network element is sent, according to network element port and mark Correspondence relationship information determines the corresponding second network element port of the second identification information, establish the second network element port and the 3rd network element port it Between logic connecting relation.
S204, network manager periodic analysis are in the network element port pair of connection status, if the centering of network element port is sent Identification information with receive identification information it is different, or, if the either port of network element port centering does not receive the other end The identification information of mouth, delete the logic connecting relation of network element port pair.
By such scheme, the present invention can have found the logic association in different network elements manager between network element automatically, even The logic association in different management domains between network element can be found automatically.
One application examples of network connection automatic discovering method is described below.Referring to Fig. 1, in the application example, management domain A Network element A, B, C, D managed by EMS1, management domain A network element E, F, G, H are managed by EMS2, management domain B network element I, J, K, L by EMS3 is managed, and management domain B network element M, N, O, P are managed by EMS4.In management domain A and management domain B accesses NMS.Network element D port 1 is connected with network element K port 2 by physical fiber, and EMS is configured to OTU docking.Wherein, identified corresponding to network element D port 1 ID1 is set to, mark corresponding to network element K port 2 is set to ID2.It is as follows that network connects automatic discovery procedure：
Step 1：NMS layers store all network element port informations of the whole network, and configuration-direct is issued to EMS by southbound interface Layer, Unified coding, unique ID (mark) information is configured for each network element port, stores and establishes between device port and ID Correspondence relationship information table.
Step 2：NE layers receive and performed the configuration information that NMS layers issue, by EMS layers by proprietary protocol by network element D's ID1 corresponding to port 1 is write in network element D service signal to be sent, that is, writes the of the SM section TTI parts of OTUk electric layer expenses In the specified location of 33~64 bytes.
Step 3：The port 2 of network element K in management domain B under EMS3 management receives and parses through the EMS1 in management domain A and managed The service signal that the port 1 of network element D under reason sends over, read id information-ID1 of port 1.
Step 4：ID1 is sent to EMS3 by network element K, and NMS is uploaded to by management domain B by EMS3.NMS reads EMS3 and passed The ID1 sent, by inquiring about the corresponding relation of network element port and ID, determine that ID1 corresponds to network element D, then confirm network element D and network element K Between establish physical connection, the physical couplings in patterned maintenance interface, are passed through the side of virtual link optical fiber by NMS Formula is shown, and logic connecting relation is stored into service path.
Step 5：Opened after step 2~tetra- are completed in the OTUk electric layer of service signal to be sent network element K port 2 In the TTI bytes of the SM sections of pin, ID2 is write, the regeneration to SM segment signals is completed, continues downstream network element together with service signal Send, after downstream network element receives service signal, performed according to step 3~five, until service signal is reached home.
Step 6：NMS periodic analysises are in the network element port pair of connection status, if the centering of network element port send ID and The ID of reception is different or if the either port of network element port centering does not receive the ID of another port, then deletes the network element end The logic connecting relation of mouth pair.
By such scheme, the present invention can have found the logic association in different network elements manager between network element automatically, even The logic association in different management domains between network element can be found automatically.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. network connection automatic discovering method, it is characterised in that including：
    First network element writes the first identification information corresponding to the first network element port in service signal, and sends the business letter Number；
    The second network element for receiving the service signal reads the first identification information from the service signal, and passes through network element pipe Reason device reports network manager；
    Network manager receives the first identification information that the second network element is sent, according to network element port and the correspondence relationship information of mark The corresponding first network element port of the first identification information is determined, the logic connection established between the first network element port and the second network element port Relation.
  2. 2. the method as described in claim 1, it is characterised in that first identification information is write the business by the first network element The self-defined byte of operator of the OTUk expenses of signal；In the self-defined byte of operator of second network element from the service signal of reception Read the first identification information.
  3. 3. the method as described in claim 1, it is characterised in that
    Network manager periodic analysis is in the network element port pair of connection status, if the identification information that the centering of network element port is sent It is different with the identification information of reception, the logic connecting relation of the network element port pair is deleted, or, if the centering of network element port Either port does not receive the identification information of another port, deletes the logic connecting relation of the network element port pair.
  4. 4. the method as described in claim 1, it is characterised in that also include：
    Second network element writes the second identification information corresponding to the second network element port in service signal, and sends the business letter Number；
    The 3rd network element for receiving the service signal reads the second identification information from the service signal, and reports network Manager；
    Network manager receives the second identification information that the 3rd network element is sent, according to network element port and the correspondence relationship information of mark The corresponding second network element port of the second identification information is determined, the logic connection established between the second network element port and the 3rd network element port Relation.
  5. 5. the method as described in claim any one of 1-4, it is characterised in that the side that network manager passes through virtual link optical fiber Formula shows the logic connecting relation between network element port.
  6. 6. the method as described in claim any one of 1-4, it is characterised in that
    The network element send configuration information that network manager is administered by NE Explorer to it, the configuration information include network element Identification information corresponding to port.
  7. A kind of 7. network connection discovery system, it is characterised in that including：Network manager, multiple NE Explorer and Multiple network elements, the multiple network element is respectively by different NE Explorer management；
    Network element is used to write identification information corresponding to this network element port in service signal, and sends the business to other network elements Signal, or for reading identification information from the service signal of reception, and by the identification information of reading by managing the net The NE Explorer of member reports network manager；
    NE Explorer is used to the identification information of reported by network elements being transmitted to network manager, and the mark that network manager is issued Know information and be transmitted to corresponding network element；
    Network manager is used to issue its identification information to network element by managing the NE Explorer of the network element, and passes through management The NE Explorer of the network element receives the identification information read in the service signal from reception of reported by network elements, according to network element end The mouth network element port corresponding with the identification information that the correspondence relationship information determination of mark reports, establishes network element corresponding to identification information Logic connecting relation between port and the network element port for reporting identification information.
  8. 8. system as claimed in claim 7, it is characterised in that identification information corresponding to this network element port is write business by network element The self-defined byte of operator of the OTUk expenses of signal, and mark is read in the self-defined byte of operator of the service signal from reception Know information.
  9. 9. system as claimed in claim 7, it is characterised in that
    Network manager is additionally operable to the network element port pair that periodic analysis is in connection status, if the mark that the centering of network element port is sent It is different with the identification information received to know information, deletes the logic connecting relation of the network element port pair, or, if network element port The either port of centering does not receive the identification information of another port, deletes the logic connecting relation of the network element port pair.
  10. 10. the system as described in claim any one of 7-9, it is characterised in that network manager is additionally operable to pass through virtual link The mode of optical fiber shows the logic connecting relation between network element port.
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CN113099322A (en) * 2020-01-08 2021-07-09 华为技术有限公司 Optical fiber connection detection method and related equipment
CN115442268A (en) * 2022-08-30 2022-12-06 烽火通信科技股份有限公司 Network element port state detection and positioning system and method
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CN110855479A (en) * 2019-10-30 2020-02-28 中盈优创资讯科技有限公司 Circuit discovery method and device
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