CN106411549A - Processing method and apparatus of layer adjacency automatic discovery - Google Patents
Processing method and apparatus of layer adjacency automatic discovery Download PDFInfo
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- CN106411549A CN106411549A CN201510460218.XA CN201510460218A CN106411549A CN 106411549 A CN106411549 A CN 106411549A CN 201510460218 A CN201510460218 A CN 201510460218A CN 106411549 A CN106411549 A CN 106411549A
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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
Abstract
The invention discloses a processing method and apparatus of layer adjacency automatic discovery. The processing method of the layer adjacency automatic discovery includes following steps: local layer access point information and far-end information reported by devices in a software defined optical network are received, and layer adjacency check between the devices is performed according to the local layer access point information and the far-end information; and after the check is passed, the layer adjacency discovery between the devices is successful, and the layer adjacency relation between the devices is saved. The method and apparatus can be applicable to layer adjacency automatic discovery in the software defined optical network, and the operation of layer adjacency automatic discovery is simple and fast.
Description
Technical field
The present invention relates to communication technical field, more particularly, to a kind of layer adjoin the processing method automatically finding and
Device.
Background technology
Optical transfer network (Optical Transport Network, OTN) is the PDH that continues
(Plesiochronous Digital Hierarchy, PDH), Synchronous Digital Hierarchy (Synchronous Digital
Hierarchy, SDH) after new-generation digital light tranmission techniques system.OTN technology include photosphere and
The complete architecture of electric layer, each layer network has corresponding management and monitoring mechanism, and photosphere exchanges for wavelength,
Electric layer is time gas exchange, and photosphere and electric layer all have network survivability mechanism.
Software defined network (Software Defined Network, SDN) is a kind of new network architecture,
Network-based control plane is separated by it with data forwarding plane, and realizes programmable control
System.Generally SDN framework abstract definition is become three layers：Ground floor is to forward face entity, including realization
The various software and hardware assemblies of this forwarding capability；The second layer be managed for ground floor Delivery Function and
The entity controlling；Third layer is the application and service based on front two-layer basic network.Software definition optical-fiber network
(Software Defined Optical Network, SDON) refers to the framework applications of SDN in OTN
Network.In OTN network, control plane exists in a distributed fashion, and in SDON network central control
Device processed management equipment in a concentrated manner, this species diversity leads to OTN network in the process side of data connectivity
The method in face in SDON network using cumbersome it is impossible in SDON network be suitable for.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is
Prior art.
Content of the invention
Present invention is primarily targeted at providing a kind of layer to adjoin the processing method and processing device automatically finding, purport
Solving to adjoin the cumbersome technical problem of the processing method automatically finding in SDON network middle level.
For achieving the above object, the present invention provides a kind of layer to adjoin the processing method automatically finding, described layer
The adjacent processing method automatically finding comprises the following steps：
Receive local layer access-in point information and the distal information that the equipment in software definition optical-fiber network reports, root
Adjoin verification according to the layer that described local layer access-in point information and distal information carry out equipment room；
After verification is passed through, the layer adjacency discovery success of equipment room, the layer preserving described equipment room adjoins pass
System.
Preferably, the described local layer access-in point information that reports of equipment receiving in software definition optical-fiber network and
Distal information, adjoins verification according to the layer that described local layer access-in point information and distal information carry out equipment room
Step include：
Receive local layer access-in point information and the distal information that the equipment in software definition optical-fiber network reports, protect
Deposit second transmission corresponding with described distal information of the corresponding first transmission point of described local layer access-in point information
The incidence relation of point, wherein, described distal information is obtained from data link by described equipment；
Search whether the layer syntople that there is described first transmission point and the described second transmission point；
If it is not, then search whether the pass that there is the second transmission point and the first transmission point according to described distal information
Connection relation, adjoins verification with the layer carrying out equipment room.
Preferably, described after verification is passed through, the layer adjacency discovery of equipment room is successful, the described equipment of preservation
Between the step of layer syntople after also include：
When receiving the layer adjacency discovery failure information that the successful equipment of described layer adjacency discovery reports, root
Remove corresponding layer syntople according to described layer adjacency discovery failure information；
When described layer syntople corresponding transmission point is in running order, carry out alarming processing.
Preferably, described layer adjoins the processing method automatically finding and also includes：
According to described local layer access-in point information and distal information, to layer adjacency discovery, successful equipment carries out layer
Adjacent fault detect.
Preferably, described successful to layer adjacency discovery according to described local layer access-in point information and distal information
Equipment carry out layer adjoin fault detect step include：
The successful equipment of described layer adjacency discovery is detected according to described local layer access-in point information and distal information
Between transmitting-receiving point whether change；
If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery changes, judge that described layer adjoins
Find that successful equipment room occurs wrong line fault；
If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery does not change, judge that described layer is adjacent
Sending and receiving now successfully the communication link of equipment room whether change, if described communication link changes,
Then judge that the successful equipment room of described layer adjacency discovery occurs wrong even fault.
Additionally, for achieving the above object, the present invention also provides a kind of layer to adjoin the processing meanss automatically finding,
Described layer adjoins the processing meanss automatically finding and includes：
The adjacent correction verification module of layer, accesses for receiving the local layer that the equipment in software definition optical-fiber network reports
Point information and distal information, carry out the layer of equipment room according to described local layer access-in point information and distal information
Adjacent verification；
Preserving module, for, after verification is passed through, the layer adjacency discovery of equipment room is successful, sets described in preservation
Layer syntople between standby.
Preferably, described layer adjoins correction verification module specifically for receiving on the equipment in software definition optical-fiber network
The local layer access-in point information of report and distal information, preserve described local layer access-in point information corresponding first
The incidence relation of transmission point second transmission point corresponding with described distal information, wherein, described distal information
Obtained from data link by described equipment；Search whether there is described first transmission point and described second biography
Send layer syntople a little；If it is not, then according to described distal information inquiry with the presence or absence of second transmission point with
The incidence relation of the first transmission point, adjoins verification with the layer carrying out equipment room.
Preferably, described layer adjoins the processing meanss automatically finding and also includes：
Remove module, receive, for working as, the layer adjacency discovery that the successful equipment of described layer adjacency discovery reports
During failure information, corresponding layer syntople is removed according to described layer adjacency discovery failure information；
Alarm module, for when described layer syntople corresponding transmission point is in running order, carrying out
Alarming processing.
Preferably, described layer adjoins the processing meanss automatically finding and also includes：
Fault detection module, sends out for being adjoined to layer according to described local layer access-in point information and distal information
Now successfully equipment carries out the adjacent fault detect of layer.
Preferably, described fault detection module is specifically for according to described local layer access-in point information and far-end
Whether the transmitting-receiving point of the successful equipment room of layer adjacency discovery described in infomation detection changes；If described layer is adjacent
Sending and receiving now successfully the transmitting-receiving point of equipment room change, then judge the successful equipment of described layer adjacency discovery
Between there is wrong line fault；If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery does not change,
Judge whether the communication link of the successful equipment room of described layer adjacency discovery changes, if described communication chain
Road changes, then judge that the successful equipment room of described layer adjacency discovery occurs wrong even fault.
A kind of layer of the present invention adjoins the processing method and processing device automatically finding, in software definition optical-fiber network by
The local layer access-in point information that centralized management equipment reports is responsible for by controller, connects from data link in equipment
Receive other equipment distal information when, layer is carried out according to this local layer access-in point information and distal information adjacent
Connect verification, adjoin discovery automatically to carry out layer, the present embodiment is applied to software definition optical-fiber network middle level and adjoins
Automatically find, and the adjacent discovery automatically of layer is simple and quick.
Brief description
Fig. 1 adjoins the schematic flow sheet of the processing method first embodiment automatically finding for layer of the present invention；
Fig. 2 is the refinement schematic flow sheet of step S101 in Fig. 1；
Fig. 3 adjoins the schematic diagram of verification for the layer carrying out equipment room in Fig. 2；
Fig. 4 adjoins the schematic flow sheet of the processing method second embodiment automatically finding for layer of the present invention；
Fig. 5 adjoins the schematic flow sheet of the processing method 3rd embodiment automatically finding for layer of the present invention；
Fig. 6 is the flow chart of wrong even fault detect in Fig. 5；
Fig. 7 is the schematic diagram of wrong even fault detect in Fig. 6；
Fig. 8 is the flow chart of wrong line fault detect in Fig. 5；
Fig. 9 is the schematic diagram of wrong line fault detect in Fig. 8；
The functional module that Figure 10 adjoins, for layer of the present invention, the processing meanss first embodiment automatically finding is illustrated
Figure；
The functional module that Figure 11 adjoins, for layer of the present invention, the processing meanss second embodiment automatically finding is illustrated
Figure；
The functional module that Figure 12 adjoins, for layer of the present invention, the processing meanss 3rd embodiment automatically finding is illustrated
Figure.
The realization of the object of the invention, functional characteristics and advantage will be done further in conjunction with the embodiments referring to the drawings
Explanation.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit
Determine the present invention.
The present invention provides a kind of layer the adjacent processing method automatically finding, reference Fig. 1, in one embodiment,
This layer of adjacent processing method automatically finding includes：
Step S101, receives the local layer access-in point information that reports of equipment in software definition optical-fiber network and remote
Client information, adjoins verification according to the layer that described local layer access-in point information and distal information carry out equipment room；
In the present embodiment, by all of range of management of controller management in software definition optical-fiber network
Equipment.Wherein, the definition during G.709 the concept of layer may be referred to, the layer access point in equipment may include
LO ODUK layer, HO ODUK layer, OTU layer, OCH layer, OMS layer and OTS layer, layer connects
Access point is referred to as TP as transmission point (Transmit Port).The adjacent automatic discovery purpose of layer exists
In two adjacent layer access points finding the equipment that can carry out data transmission.
In the present embodiment, the local layer access that the equipment in software definition optical-fiber network reports is received by controller
Point information and distal information, wherein, local layer access-in point information is first equipment itself of reporting information
Information, including but not limited to node ID, veneer address, port information；Distal information be the first equipment from
The information receiving in data link, the as second equipment (i.e. other equipment) is sent by data link
Information, including the node ID of this second equipment, veneer address, port address.
In the present embodiment, school is adjoined according to the layer that local layer access-in point information and distal information carry out equipment room
Test, the distal information being received by the first equipment first and the local layer access-in point information of itself report
To controller, verification is adjoined by the layer that controller carries out equipment room, first preserves the first equipment and the second equipment
Between incidence relation, then, search whether the layer syntople that there is the first equipment and the second equipment,
The layer carrying out equipment room adjoins verification.There is not yet the first equipment in the present embodiment and the layer of the second equipment is adjacent
Connect relation, therefore, continue executing with follow-up flow process.
Second equipment receives distal information from data link, and distal information is that the first equipment passes through data
The information that link sends, distal information and the local layer of itself that the second equipment receives to controller report
Access-in point information, adjoins verification by the layer that controller carries out equipment room, preserves the second equipment and the first equipment
Between incidence relation, then, search whether the layer syntople that there is the first equipment and the second equipment,
The layer carrying out equipment room adjoins verification.
Step S102, after verification is passed through, the layer adjacency discovery success of equipment room, preserve described equipment room
Layer syntople.
There is not the layer syntople of the first equipment and the second equipment in the present embodiment yet, but due to before
Save the incidence relation between the first equipment and the second equipment, and this also saving second and has set
Standby incidence relation and the first equipment between, accordingly, it is determined that the first equipment and the second equipment are layers adjoins pass
System, can carry out the mutual transmission of data, and so far, layer adjoins verification to be passed through, and the layer of equipment room adjoins certainly
Move the layer syntople finding successfully to preserve the first equipment and the second equipment.
The present embodiment in software definition optical-fiber network, by controller be responsible for that centralized management equipment reports local
Layer access-in point information, when equipment receives the distal information of other equipment from data link, according to this
Local layer access-in point information and distal information carry out layer and adjoin verification, adjoin discovery automatically to carry out layer, this
Embodiment is applied to software definition optical-fiber network middle level and adjoins discovery automatically, and layer adjoins and automatically finds that operation is simple
Single quick.
In a preferred embodiment, as shown in Fig. 2 on the basis of the embodiment of above-mentioned Fig. 1, on
State step S101 to include：
Step S1011, receive the local layer access-in point information that reports of equipment in software definition optical-fiber network and
Distal information, preserves the corresponding first transmission point of described local layer access-in point information and described distal information pair
The incidence relation of the second transmission point answered, wherein, described distal information sets described in other equipment is sent to
Standby；
Step S1012, searches whether that there is described first transmission point is adjoined with the layer of the described second transmission point
Relation；
Step S1013, if it is not, then search whether there is the second transmission point and according to described distal information
The incidence relation of 1 transmission point, adjoins verification with the layer carrying out equipment room.
Please refer to Fig. 3, two in Fig. 3 controller is actually same controller, for side
Just describe and be divided into two, Fig. 3 describes a sublevel and adjoins the successful process that automatically finds：
1st, the first equipment and the second equipment are respectively to controller report local layer access-in point information.Report permissible
From but be not limited to packet_in message and to carry out.The content of local layer access-in point information should include but not
It is limited to node ID, veneer address, port information；
2nd, the first equipment sends distal information by the expense of the data link of transmission point TP1 of itself.
Distal information comprises the essential information of this transmission point, and this essential information is used for receiving information side and reports control
During device, controller can be used for unique identification and goes out this transmission point.Distal information includes net element information, transmission point
Place veneer and port information；
3rd, the second equipment is by the distal information that TP1 data link receives and local layer access-in point information
Offer controller.Reporting information includes the list of the transmission point TP2 of the node ID of the second equipment, the second equipment
Plate address, the port information of TP2, the node ID of the first equipment, the list of the transmission point TP1 of the first equipment
Plate address, the port address of TP1, this reports and namely the incidence relation of TP2 to TP1 is reported control
Device processed；
4th, controller receives the information that the second equipment reports, and preserves the incidence relation TP2- of transmission point>TP1.
Search whether there is layer syntople TP1<->TP2, if it is present be that the layer having been found that adjoins pass
System, when this layer of syntople does not change, need not be processed；If it does not, it is remote according to report
Client information searches whether there is TP1->The incidence relation of TP2, if there is no this incidence relation, keeps in
Message, does not process；
5th, the second equipment passes through the expense transmission distal information of the data link of TP2, with reference to the above-mentioned 2nd
Step；
6th, the first equipment is by the distal information receiving from the data link of TP2 and local layer access-in point information
Report controller, with reference to above-mentioned 3rd step；
7th, controller receives the information that the first equipment reports, and preserves the incidence relation TP1- of transmission point>TP2.
Search whether there is layer syntople TP1<->TP2, if it is present be that the layer having been found that adjoins pass
System, when this layer of syntople does not change, need not be processed；If it does not, it is remote according to report
Client information searches whether there is TP2->The incidence relation of TP1.Saved in the 4th step in this example
Incidence relation TP2->TP1, therefore TP1<->It is a layer syntople between TP2, data can be carried out
Mutual transmission.When searching layer syntople, check for other layer of syntople, wherein comprise
TP1 or TP2 but be different from TP1<->The layer syntople of TP2.The present embodiment do not exist except
TP1<->Layer syntople outside the layer syntople of TP2, therefore, layer adjoins and automatically finds successfully, to protect
Deposit a layer syntople TP1<->TP2.
In a preferred embodiment, as shown in figure 4, on the basis of the embodiment of above-mentioned Fig. 1,
Also include after above-mentioned steps S102：
Step S103, when receiving the layer adjacency discovery failure that the successful equipment of described layer adjacency discovery reports
During information, corresponding layer syntople is removed according to described layer adjacency discovery failure information；
Step S104, when described layer syntople corresponding transmission point is in running order, is alerted
Process.
Layer is adjacent automatically find failure scene can layer adjoin automatically finds successfully before or layer adjacent automatic
Occur after finding success, the present embodiment is adjoined with layer and automatically finds to illustrate after success.
In the present embodiment, the distal information that the first equipment periodic monitor receives from data link, if
When not receiving distal information in the specified time, layer adjacency discovery failure information is reported controller, layer is adjacent
The existing failure information of sending and receiving include the node ID of TP1, the veneer address of TP1 and TP1 port information,
Fault message is automatically to find unsuccessfully.After controller receives layer adjacency discovery failure information, if local protect
Deposit TP1->The related information of TP2, and TP1<->During the layer syntople of TP2, need to dispose
Relevant information.Controller judges whether to carry out subsequent treatment to layer adjacency discovery failure information, if corresponding
Transmission point use, then need to do alarming processing.
In a preferred embodiment, as shown in figure 5, on the basis of the embodiment of above-mentioned Fig. 1, layer
The adjacent processing method automatically finding also includes：
Step S105 is successful to layer adjacency discovery according to described local layer access-in point information and distal information
Equipment carries out layer and adjoins fault detect.
In the present embodiment, layer adjoins the connectedness that fault detect is used between two transmission points of detection.Layer is adjacent
Connect fault detect and comprise wrong line fault detect and wrong even fault detect.The generation of wrong line fault can be adjacent in layer
Connect and automatically find that successfully front or layer adjoins after automatically finding success.The generation of wrong even fault must be in layer
After the adjacent success of discovery automatically.
In the present embodiment, according to described local layer access-in point information and distal information to layer adjacency discovery success
Equipment carry out layer adjoin fault detect include：According to local layer access-in point information and distal information detection layers
Whether the transmitting-receiving point of the successful equipment room of adjacency discovery changes；If the successful equipment room of layer adjacency discovery
Transmitting-receiving point change, then judge that the successful equipment room of described layer adjacency discovery occurs wrong line fault；If
The transmitting-receiving point of the successful equipment room of layer adjacency discovery does not change, then judge described layer adjacency discovery success
The communication link of equipment room whether change, if communication link changes, judge that layer adjoins and send out
Now successfully there is wrong even fault in equipment room.
As shown in FIG. 6 and 7, the testing process of the wrong even fault of Fig. 6 and Fig. 7 description.This example is based on
Above-mentioned layer adjoins on the basis of automatically finding successfully：
1st, controller side completes TP1<->Layer between TP2 adjoins after automatically finding, the first equipment passes through
The expense of the data link of TP1 sends distal information；
2nd, transmission point TP3 can be in the second equipment, also can not be in the second equipment.To transmit point TP3
As a example in the second equipment, the distal information of the TP1 that transmission point TP3 receives from data link, by far-end
Information and local layer access-in point information report controller.Reporting information include the second equipment node ID,
The veneer address of TP3, the port information of TP3, the node ID of the first equipment, the veneer address of TP1,
The port address of TP1.
3rd, controller receives the information reporting, and preserves TP3->The incidence relation of TP1.Search whether exist
Layer syntople TP1<->TP3, if it is present being the layer syntople having been found that, this layer adjoins
When relation does not change, need not process；TP1 is only existed in this example<->TP2, does not exist
TP1<->TP3, so subsequent treatment to be carried out.Distal information according to reporting searches whether exist
TP1->The incidence relation of TP3.Because having saved TP1- when layer adjoins and automatically finds>The pass of TP2
System, so now the transmitting-receiving relation of TP1 is inconsistent, TP1 has sent a message to TP3, but shows receipts
Arrive the message of TP2, wrong line alarm has therefore occurred, this alarm in this example has been a transient state.
4th, the second equipment passes through the expense transmission distal information of the data link of TP3；
5th, the first equipment receives distal information from data link, by distal information and local layer access-in point information
Report controller.Reporting information includes the node ID of the first equipment, the veneer address of TP1, TP1
Port information, the node ID of the second equipment, the veneer address of TP3, the port address of TP3.
6th, controller receives the information reporting, and preserves TP1->The incidence relation of TP3, searches whether exist
Layer syntople TP1<->TP3.If it is present being the layer syntople having been found that, this layer adjoins
When relation does not change, need not process；There is not TP1 in this example<->TP3, so will carry out
Subsequent treatment.Distal information according to reporting searches whether there is TP3->The incidence relation of TP1.Above-mentioned
Save TP1->The incidence relation of TP3, therefore TP1<->It is a layer syntople between TP3.Can
To carry out the mutual transmission of data.Search layer syntople, check for other layer of syntople,
Wherein contain TP1 or TP3 but be different from TP1<->The layer syntople of TP3.Because in example 1
In save TP1<->TP2, so now produce wrong even fault.
As can be seen from figures 8 and 9, the testing process of the wrong line fault of Fig. 8 and Fig. 9 description.This example is based on
Above-mentioned layer adjoins on the basis of automatically finding successfully：
1st, controller side completes TP1<->Layer between TP2 adjoins after automatically finding, the first equipment passes through
The expense of the data link of TP1 sends distal information；
2nd, the second equipment receives distal information from data link, by distal information and local layer access-in point information
Report controller.Reporting information includes the node ID of the second equipment, the veneer address of TP2, TP2
Port information, the node ID of the first equipment, the veneer address of TP1, the port address of TP1.
3rd, controller receives the information reporting, and preserves TP2->The incidence relation of TP1, searches whether exist
Layer syntople TP1<->TP2.If it is present being the layer syntople having been found that, this layer adjoins
When relation does not change, need not process；This example middle level syntople TP1<->TP2 has existed,
Need not process.
4th, the second equipment passes through the expense transmission distal information of the data link of TP3.
5th, the first equipment receives distal information from data link, by distal information and local layer access-in point information
Report controller.Reporting information includes the node ID of the first equipment, the veneer address of TP1, TP1
Port information, the node ID of the second equipment, the veneer address of TP3, the port address of TP3.
6th, controller receives the information reporting, and preserves TP1->The relevant information of TP3, searches whether exist
Layer syntople TP1<->TP3.If it is present being the layer syntople having been found that, this layer adjoins
When relation does not change, need not process；There is not a layer syntople TP1 in this example<->TP3,
So subsequent treatment to be carried out.Distal information according to reporting searches whether there is TP3->The association of TP1
Relation.Above-mentioned save TP1->The transmitting-receiving of the incidence relation of TP2, therefore TP1 is inconsistent, produces
Raw mistake line fault.
The present invention also provides a kind of layer to adjoin the processing meanss automatically finding, as shown in Figure 10, in an enforcement
In example, described layer adjoins the processing meanss automatically finding and includes：
The adjacent correction verification module 101 of layer, for receiving the local layer that the equipment in software definition optical-fiber network reports
Access-in point information and distal information, carry out equipment room according to described local layer access-in point information and distal information
Layer adjoin verification；
In the present embodiment, by all of range of management of controller management in software definition optical-fiber network
Equipment.Wherein, the definition during G.709 the concept of layer may be referred to, the layer access point in equipment may include
LO ODUK layer, HO ODUK layer, OTU layer, OCH layer, OMS layer and OTS layer, layer connects
Access point is referred to as TP as transmission point (Transmit Port).The adjacent automatic discovery purpose of layer exists
In two adjacent layer access points finding the equipment that can carry out data transmission.
In the present embodiment, the local layer access that the equipment in software definition optical-fiber network reports is received by controller
Point information and distal information, wherein, local layer access-in point information is first equipment itself of reporting information
Information, including but not limited to node ID, veneer address, port information；Distal information be the first equipment from
The information receiving in data link, the as second equipment (i.e. other equipment) is sent by data link
Information, including the node ID of this second equipment, veneer address, port address.
In the present embodiment, school is adjoined according to the layer that local layer access-in point information and distal information carry out equipment room
Test, the distal information being received by the first equipment first and the local layer access-in point information of itself report
To controller, verification is adjoined by the layer that controller carries out equipment room, first preserves the first equipment and the second equipment
Between incidence relation, then, search whether the layer syntople that there is the first equipment and the second equipment,
The layer carrying out equipment room adjoins verification.There is not yet the first equipment in the present embodiment and the layer of the second equipment is adjacent
Connect relation, therefore, continue executing with follow-up flow process.
Second equipment receives distal information from data link, and distal information is that the first equipment passes through data
The information that link sends, distal information and the local layer of itself that the second equipment receives to controller report
Access-in point information, adjoins verification by the layer that controller carries out equipment room, preserves the second equipment and the first equipment
Between incidence relation, then, search whether the layer syntople that there is the first equipment and the second equipment,
The layer carrying out equipment room adjoins verification.
Preserving module 102, for, after verification is passed through, the layer adjacency discovery of equipment room is successful, preserves institute
State the layer syntople of equipment room.
There is not the layer syntople of the first equipment and the second equipment in the present embodiment yet, but due to before
Save the incidence relation between the first equipment and the second equipment, and this also saving second and has set
Standby incidence relation and the first equipment between, accordingly, it is determined that the first equipment and the second equipment are layers adjoins pass
System, can carry out the mutual transmission of data, and so far, layer adjoins verification to be passed through, and the layer of equipment room adjoins certainly
Move the layer syntople finding successfully to preserve the first equipment and the second equipment.
The present embodiment in software definition optical-fiber network, by controller be responsible for that centralized management equipment reports local
Layer access-in point information, when equipment receives the distal information of other equipment from data link, according to this
Local layer access-in point information and distal information carry out layer and adjoin verification, adjoin discovery automatically to carry out layer, this
Embodiment is applied to software definition optical-fiber network middle level and adjoins discovery automatically, and layer adjoins and automatically finds that operation is simple
Single quick.
In a preferred embodiment, on the basis of the embodiment of above-mentioned Figure 10, layer adjoins correction verification module
101 specifically for receiving local layer access-in point information and the far-end that the equipment in software definition optical-fiber network reports
Information, preserves the corresponding first transmission point of described local layer access-in point information corresponding with described distal information
The incidence relation of the second transmission point, wherein, described distal information is obtained from data link by described equipment；
Search whether the layer syntople that there is described first transmission point and the described second transmission point；If it is not, then root
Transmit the incidence relation of point according to the inquiry of described distal information with the presence or absence of the second transmission point and first, to carry out
The layer of equipment room adjoins verification.
Refer to the sublevel described by above-mentioned Fig. 3 and adjoin the successful process that automatically finds：
First equipment and the second equipment are respectively to controller report local layer access-in point information.Report and can select
With but be not limited to packet_in message and carry out.The content of local layer access-in point information should include but not limit
In node ID, veneer address, port information；
First equipment sends distal information by the expense of the data link of transmission point TP1 of itself.Far-end
Packet contains the essential information of this transmission point, and this essential information is used for receiving information side when reporting controller,
Controller can be used for unique identification and goes out this transmission point.It is single that distal information includes net element information, transmission point is located
Plate and port information；
The distal information receiving from TP1 data link and local layer access-in point information are reported by the second equipment
Controller.Reporting information includes the veneer ground of the transmission point TP2 of the node ID of the second equipment, the second equipment
Location, the port information of TP2, the node ID of the first equipment, the veneer ground of the transmission point TP1 of the first equipment
Location, the port address of TP1, this reports and namely the incidence relation of TP2 to TP1 is reported controller；
Controller receives the information that the second equipment reports, and preserves the incidence relation TP2- of transmission point>TP1.Look into
Look for the presence or absence of layer syntople TP1<->TP2, if it is present being the layer syntople having been found that,
When this layer of syntople does not change, need not process；If it does not, according to the far-end letter reporting
Breath searches whether there is TP1->The incidence relation of TP2, if there is no this incidence relation, temporary news,
Do not process；
The expense that second equipment passes through the data link of TP2 sends distal information；
The distal information receiving from the data link of TP2 and local layer access-in point information are reported by the first equipment
To controller；
Controller receives the information that the first equipment reports, and preserves the incidence relation TP1- of transmission point>TP2.Look into
Look for the presence or absence of layer syntople TP1<->TP2, if it is present being the layer syntople having been found that,
When this layer of syntople does not change, need not process；If it does not, according to the far-end letter reporting
Breath searches whether there is TP2->The incidence relation of TP1.Incidence relation has been saved in this example
TP2->TP1, therefore TP1<->It is a layer syntople between TP2, the mutual transmission of data can be carried out.
Search layer syntople when, check for other layer of syntople, wherein contain TP1 or
TP2 but be different from TP1<->The layer syntople of TP2.The present embodiment does not exist except TP1<->TP2
Layer syntople outside layer syntople, therefore, layer adjoins and automatically finds successfully, to preserve the adjacent pass of layer
It is TP1<->TP2.
In a preferred embodiment, as shown in figure 11, on the basis of the embodiment of above-mentioned Figure 10,
The adjacent processing means automatically finding of layer also include：
Remove module 103, adjoin for the layer that the successful equipment of described layer adjacency discovery reports ought be received
When finding failure information, corresponding layer syntople is removed according to described layer adjacency discovery failure information；
Alarm module 104, for when described layer syntople corresponding transmission point in running order when,
Carry out alarming processing.
Layer is adjacent automatically find failure scene can layer adjoin automatically finds successfully before or layer adjacent automatic
Occur after finding success, the present embodiment is adjoined with layer and automatically finds to illustrate after success.
In the present embodiment, the distal information that the first equipment periodic monitor receives from data link, if
When not receiving distal information in the specified time, layer adjacency discovery failure information is reported controller, layer is adjacent
The existing failure information of sending and receiving include the node ID of TP1, the veneer address of TP1 and TP1 port information,
Fault message is automatically to find unsuccessfully.After controller receives layer adjacency discovery failure information, if local protect
Deposit TP1->The related information of TP2, and TP1<->During the layer syntople of TP2, need to dispose
Relevant information.Controller judges whether to carry out subsequent treatment to layer adjacency discovery failure information, if corresponding
Transmission point use, then need to do alarming processing.
In a preferred embodiment, as shown in figure 12, on the basis of the embodiment of above-mentioned Figure 10,
The adjacent processing means automatically finding of layer also include：
Fault detection module 105, for adjacent to layer according to described local layer access-in point information and distal information
Now successful equipment carries out the adjacent fault detect of layer for sending and receiving.
In the present embodiment, layer adjoins the connectedness that fault detect is used between two transmission points of detection.Layer is adjacent
Connect fault detect and comprise wrong line fault detect and wrong even fault detect.The generation of wrong line fault can be adjacent in layer
Connect and automatically find that successfully front or layer adjoins after automatically finding success.The generation of wrong even fault must be in layer
After the adjacent success of discovery automatically.
In the present embodiment, fault detection module 105 specifically for according to described local layer access-in point information and
Distal information detects whether the transmitting-receiving point of the successful equipment room of described layer adjacency discovery changes；If described
The transmitting-receiving point of the successful equipment room of layer adjacency discovery changes, then judge that described layer adjacency discovery is successful
There is wrong line fault in equipment room；If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery does not change,
Then judge whether the communication link of the successful equipment room of described layer adjacency discovery changes, if described communication
Link changes, then judge that the successful equipment room of described layer adjacency discovery occurs wrong even fault.
Refering to above-mentioned Fig. 6 and Fig. 7, the detection of wrong even fault includes：
Controller side completes TP1<->Layer between TP2 adjoins after automatically finding, the first equipment passes through TP1
Data link expense send distal information；
Transmission point TP3 can be in the second equipment, also can not be in the second equipment.To transmit point TP3 the
As a example in two equipment, the distal information of the TP1 that transmission point TP3 receives from data link, by distal information
Report controller with local layer access-in point information.Reporting information includes the node ID of the second equipment, TP3
Veneer address, the port information of TP3, the node ID of the first equipment, the veneer address of TP1, TP1
Port address.
Controller receives the information reporting, and preserves TP3->The incidence relation of TP1.Search whether there is layer
Syntople TP1<->TP3, if it is present being the layer syntople having been found that, this layer adjoins and closes
When system does not change, need not process；TP1 is only existed in this example<->TP2, does not exist
TP1<->TP3, so subsequent treatment to be carried out.Distal information according to reporting searches whether exist
TP1->The incidence relation of TP3.Because having saved TP1- when layer adjoins and automatically finds>The pass of TP2
System, so now the transmitting-receiving relation of TP1 is inconsistent, TP1 has sent a message to TP3, but shows receipts
Arrive the message of TP2, wrong line alarm has therefore occurred, this alarm in this example has been a transient state.
The expense that second equipment passes through the data link of TP3 sends distal information；
First equipment receives distal information from data link, by distal information and local layer access-in point information
Offer controller.Reporting information includes the node ID of the first equipment, the veneer address of TP1, the end of TP1
Message breath, the veneer address of the node ID of the second equipment, TP3, the port address of TP3.
Controller receives the information reporting, and preserves TP1->The incidence relation of TP3, searches whether there is layer
Syntople TP1<->TP3.If it is present being the layer syntople having been found that, this layer adjoins and closes
When system does not change, need not process；There is not TP1 in this example<->TP3, so after will carrying out
Continuous process.Distal information according to reporting searches whether there is TP3->The incidence relation of TP1.Above-mentioned
Saved TP1->The incidence relation of TP3, therefore TP1<->It is a layer syntople between TP3.Permissible
Carry out the mutual transmission of data.Search layer syntople, check for other layer of syntople, its
In contain TP1 or TP3 but be different from TP1<->The layer syntople of TP3.Because in example 1
In save TP1<->TP2, so now produce wrong even fault.
Refering to above-mentioned Fig. 8 and Fig. 9, the detection of wrong line fault includes：
Controller side completes TP1<->Layer between TP2 adjoins after automatically finding, the first equipment passes through TP1
Data link expense send distal information；
Second equipment receives distal information from data link, by distal information and local layer access-in point information
Offer controller.Reporting information includes the node ID of the second equipment, the veneer address of TP2, the end of TP2
Message breath, the veneer address of the node ID of the first equipment, TP1, the port address of TP1.
Controller receives the information reporting, and preserves TP2->The incidence relation of TP1, searches whether there is layer
Syntople TP1<->TP2.If it is present being the layer syntople having been found that, this layer adjoins and closes
When system does not change, need not process；This example middle level syntople TP1<->TP2 has existed,
Need not process.
The expense that second equipment passes through the data link of TP3 sends distal information.
First equipment receives distal information from data link, by distal information and local layer access-in point information
Offer controller.Reporting information includes the node ID of the first equipment, the veneer address of TP1, the end of TP1
Message breath, the veneer address of the node ID of the second equipment, TP3, the port address of TP3.
Controller receives the information reporting, and preserves TP1->The relevant information of TP3, searches whether there is layer
Syntople TP1<->TP3.If it is present being the layer syntople having been found that, this layer adjoins and closes
When system does not change, need not process；There is not a layer syntople TP1 in this example<->TP3, institute
With subsequent treatment to be carried out.Distal information according to reporting searches whether there is TP3->The association of TP1 is closed
System.Above-mentioned save TP1->The transmitting-receiving of the incidence relation of TP2, therefore TP1 is inconsistent, produces
Wrong line fault.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every
The equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (10)
1. a kind of layer adjoins the processing method automatically finding it is characterised in that described layer adjoins automatic discovery
Processing method comprise the following steps：
Receive local layer access-in point information and the distal information that the equipment in software definition optical-fiber network reports, root
Adjoin verification according to the layer that described local layer access-in point information and distal information carry out equipment room；
After verification is passed through, the layer adjacency discovery success of equipment room, the layer preserving described equipment room adjoins pass
System.
2. layer as claimed in claim 1 adjoins the processing method automatically finding it is characterised in that described
Receive local layer access-in point information and the distal information that the equipment in software definition optical-fiber network reports, according to institute
State local layer access-in point information and distal information carries out the layer of equipment room and adjoins the step of verification and include：
Receive local layer access-in point information and the distal information that the equipment in software definition optical-fiber network reports, protect
Deposit second transmission corresponding with described distal information of the corresponding first transmission point of described local layer access-in point information
The incidence relation of point, wherein, described distal information is obtained from data link by described equipment；
Search whether the layer syntople that there is described first transmission point and the described second transmission point；
If it is not, then search whether the pass that there is the second transmission point and the first transmission point according to described distal information
Connection relation, adjoins verification with the layer carrying out equipment room.
3. layer as claimed in claim 1 or 2 adjoin the processing method automatically finding it is characterised in that
Described after verification is passed through, the layer adjacency discovery of equipment room is successful, and the layer preserving described equipment room adjoins pass
Also include after the step of system：
When receiving the layer adjacency discovery failure information that the successful equipment of described layer adjacency discovery reports, root
Remove corresponding layer syntople according to described layer adjacency discovery failure information；
When described layer syntople corresponding transmission point is in running order, carry out alarming processing.
4. layer as claimed in claim 1 adjoins the processing method automatically finding it is characterised in that described
The adjacent processing method automatically finding of layer also includes：
According to described local layer access-in point information and distal information, to layer adjacency discovery, successful equipment carries out layer
Adjacent fault detect.
5. layer as claimed in claim 4 adjoins the processing method automatically finding it is characterised in that described
According to described local layer access-in point information and distal information, to layer adjacency discovery, successful equipment carries out layer and adjoins
The step of fault detect includes：
The successful equipment of described layer adjacency discovery is detected according to described local layer access-in point information and distal information
Between transmitting-receiving point whether change；
If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery changes, judge that described layer adjoins
Find that successful equipment room occurs wrong line fault；
If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery does not change, judge that described layer is adjacent
Sending and receiving now successfully the communication link of equipment room whether change, if described communication link changes,
Then judge that the successful equipment room of described layer adjacency discovery occurs wrong even fault.
6. a kind of layer adjoins the processing meanss automatically finding it is characterised in that described layer adjoins automatic discovery
Processing meanss include：
The adjacent correction verification module of layer, accesses for receiving the local layer that the equipment in software definition optical-fiber network reports
Point information and distal information, carry out the layer of equipment room according to described local layer access-in point information and distal information
Adjacent verification；
Preserving module, for, after verification is passed through, the layer adjacency discovery of equipment room is successful, sets described in preservation
Layer syntople between standby.
7. layer as claimed in claim 6 adjoins the processing meanss automatically finding it is characterised in that described
The adjacent correction verification module of layer is specifically for receiving the local layer access point that the equipment in software definition optical-fiber network reports
Information and distal information, preserve the corresponding first transmission point of described local layer access-in point information and described far-end
The incidence relation of the corresponding second transmission point of information, wherein, described distal information is by described equipment from data
Obtain in link；Search whether the layer syntople that there is described first transmission point and the described second transmission point；
If it is not, then associating of point is transmitted with the presence or absence of the second transmission point with first according to the inquiry of described distal information
System, adjoins verification with the layer carrying out equipment room.
8. layer as claimed in claims 6 or 7 adjoin the processing meanss automatically finding it is characterised in that
Described layer adjoins the processing meanss automatically finding and also includes：
Remove module, receive, for working as, the layer adjacency discovery that the successful equipment of described layer adjacency discovery reports
During failure information, corresponding layer syntople is removed according to described layer adjacency discovery failure information；
Alarm module, for when described layer syntople corresponding transmission point is in running order, carrying out
Alarming processing.
9. layer as claimed in claim 6 adjoins the processing meanss automatically finding it is characterised in that described
The adjacent processing means automatically finding of layer also include：
Fault detection module, sends out for being adjoined to layer according to described local layer access-in point information and distal information
Now successfully equipment carries out the adjacent fault detect of layer.
10. layer as claimed in claim 9 adjoins the processing meanss automatically finding it is characterised in that institute
State fault detection module specifically for described layer is detected according to described local layer access-in point information and distal information
Whether the transmitting-receiving point of the successful equipment room of adjacency discovery changes；If described layer adjacency discovery successfully sets
Transmitting-receiving point between standby changes, then judge that the successful equipment room of described layer adjacency discovery occurs wrong line fault；
If the transmitting-receiving point of the successful equipment room of described layer adjacency discovery does not change, judge that described layer adjoins and send out
Now successfully whether the communication link of equipment room changes, if described communication link changes, sentences
There is wrong even fault in the fixed successful equipment room of described layer adjacency discovery.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460218.XA CN106411549A (en) | 2015-07-30 | 2015-07-30 | Processing method and apparatus of layer adjacency automatic discovery |
| PCT/CN2016/091641 WO2017016464A1 (en) | 2015-07-30 | 2016-07-25 | Processing method and apparatus for layer adjacency discovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510460218.XA CN106411549A (en) | 2015-07-30 | 2015-07-30 | Processing method and apparatus of layer adjacency automatic discovery |
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| CN106411549A true CN106411549A (en) | 2017-02-15 |
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| CN201510460218.XA Pending CN106411549A (en) | 2015-07-30 | 2015-07-30 | Processing method and apparatus of layer adjacency automatic discovery |
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| WO (1) | WO2017016464A1 (en) |
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| CN104158747B (en) * | 2013-05-14 | 2019-09-24 | 中兴通讯股份有限公司 | Method for discovering network topology and system |
| US8989199B1 (en) * | 2014-02-24 | 2015-03-24 | Level 3 Communications, Llc | Control device discovery in networks having separate control and forwarding devices |
| CN104283722B (en) * | 2014-10-29 | 2018-05-08 | 新华三技术有限公司 | SDN link-state informations collection method and device |
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