CN103929236B - The operation layer realization method and system of passive optical-fiber network Port Protection Switching function - Google Patents
The operation layer realization method and system of passive optical-fiber network Port Protection Switching function Download PDFInfo
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Abstract
The present invention provides a kind of operation layer implementation method of passive optical-fiber network Port Protection Switching function, including：The descending step of protection group command down-transmitting includes：The two PON port mappings specified are virtual PON ports, form protection group；Virtual PON port attributes require to configure according to user；Whether PON port numberings scope is judged more than 2N, if so, the attribute of two PON ports of configuration makes it consistent with virtual PON port attributes, command down-transmitting；If it is not, directly by command down-transmitting；Reporting the up step of real-time event includes：Real-time event is reported, real-time event occurring source is parsed, judges whether the PON ports that real-time event occurs belong to protection group, if so, being the corresponding PON ports of composition protection group by the PON port translations that real-time event occurs.The present invention carries out service configuration information management by virtual passive optical-fiber network port, without carrying out logic judgment, carries out simple logic judgment to configuration object in adaptation layer and is capable of achieving synchronization of the configuration on hardware.
Description
Technical field
The invention belongs to technical field of optical fiber communication, more particularly to a kind of passive optical-fiber network Port Protection Switching function
Operation layer realization method and system.
Background technology
PON (passive optical network, passive optical-fiber network) system is wide currently as access device
The general Access Layer for being applied to each Virtual network operator.In PON system, optical line terminal (OLT-Optical Line are generally included
) and optical network unit (ONU-Optical Network Unit) Terminal.Connected by optical fiber between OLT and ONU, it is same
Multiple ONU are generally accessed under PON mouthfuls, under application scenes, PON mouthfuls of number of users for being carried be likely to be breached 100 to
150 families, under such highdensity customer group, PON mouthfuls of lower optical link survivability needs requirements at the higher level.Therefore,《China Telecom
EPON equipment technical requirements (V3.0)》The basic protection type of (hereinafter referred to as CTC3.0) standard formulation on optical link protection
And basic demand.The following is four kinds of protection types of CTC3.0 definition：
Type one：Two PON mouthfuls of OLT uses a PON MAC chip, by 1：2 electric switches are connected to two optical modes
Block, realizes two PON mouthfuls of protection.Suitable for the protection between PON mouthfuls in same PON plates.The type can be entered to trunk optical fiber
Row protection, by OLT hardware complete independentlies.
Type two：Two PON mouthfuls of OLT is respectively adopted independent PON MAC chips and optical module, realizes two PON mouthfuls
Protection.Specific implementation includes PON mouthfuls of protection in the same PON plates of OLT and between PON plates.The type can be to trunk optical fiber
With OLT sides redundancy protecting, mainly trunk optical fiber and OLT interfaces are protected.
Type three：OLT double-PON ports, the double optical modules of ONU, trunk optical fiber, optical branching device and the equal two-way redundancy of branch optical fiber.
Including same PON MAC chips in the same PON plates of OLT, (a PON MAC chip supports PON mouthfuls of multiple to specific implementation
In the case of), three kinds of the PON mouthfuls of protection of difference between PON MAC chips and PON plates etc. in same PON plates.This mode supports difference
ONU work in the primary and backup PON interfaces of OLT respectively, realize load balancing.The type can be to OLT sides and ONU sides whole
Redundancy protecting.
Type four：OLT double-PON ports, ONU double-PON ports, trunk optical fiber, optical branching device and the equal two-way redundancy of Distribution fibers.Tool
Body implementation includes a same PON MAC chips (feelings for PON MAC chips PON mouthfuls of multiple of support in the same PON plates of OLT
Under condition), three kinds of the PON mouthfuls of protection of difference between PON MAC chips and PON plates etc. in same PON plates.This mode holding load point
Load.The type can be to OLT sides whole redundancy protecting.
In these four protection models, type two, type three and type four are required for being participated in by two PON mouthfuls in OLT sides
Protection.Before and after realizing switching, same customer service attribute keeps constant, it is desirable to which the PON business configurations under two PON mouthfuls are complete
It is exactly the same.For this requirement, being synchronously PON mouthfuls of protection to one the two of protection group member PON mouthfuls of configuration how is realized
The difficult point of switch function exploitation.
Because the business module that pretection switch function is related to is more, development difficulty is larger.In view of this most of producer of point
Support to the function can all be placed on second stage or the phase III exploitation of product.But just because of the face ratio that the function is related to
It is relatively wide, if each module is designed without considering the support to pretection switch function in early stage design, in later development protection
During switch function, it will design before occurring shaking and influence the situation of the stability of whole equipment.
The content of the invention
The shortcoming of prior art, protects it is an object of the invention to provide a kind of passive optical-fiber network mouthful in view of the above
The operation layer realization method and system of switch function, for being realized to one in the passive optical-fiber network mouthful protection for solving prior art
It is the difficult problem of PON mouthfuls of pretection switch functional development that the configuration of two member PON mouthfuls of individual protection group is synchronous.
In order to achieve the above objects and other related objects, one aspect of the present invention provides a kind of passive optical-fiber network port protection
The operation layer implementation method of switch function, is applied to include that N is big in the 2N optical line terminal equipment of passive optical-fiber network port
In the numbering equal to 1,2N passive optical-fiber network port be 1 to 2N, including：The descending step of protection group command down-transmitting,
The step includes：It is virtual passive optical-fiber network port to be formed by two passive optical-fiber network port mappings that user specifies
The protection group that the M two passive optical-fiber network ports specified by user constitute, is carried out to virtual passive optical-fiber network port
Numbering；Virtual passive optical-fiber network port attribute is required according to user to configure；Judge passive optical-fiber network port numbering model
Whether enclose more than 2N, if so, then the attribute of two passive optical-fiber network ports of configuration composition protection group makes it with virtual nothing
Source fiber optic network port attribute is consistent, the hardware device that will be accessed under the command down-transmitting to the protection group；If it is not, straight
Connect the hardware device that will be accessed under command down-transmitting to each passive optical-fiber network port；M is more than or equal to 1；The hardware sets
For the up step for reporting real-time event, the step includes：Real-time event is reported, the occurring source of the real-time event is parsed, time
The information for searching the protection group is gone through, judges whether the passive optical-fiber network port that real-time event occurs belongs to the protection group,
If so, being the corresponding passive optical-fiber network end of the composition protection group by the passive optical-fiber network port translation that real-time event occurs
Mouthful, store and treatment real-time event；If it is not, directly storing and processing real-time event.
Preferably, methods described also includes receiving the configuration order of user input, that is, receive the configuration information of user input,
The configuration information is parsed into configuration order.
Preferably, when passive optical-fiber network port numbering scope is judged more than 2N, the composition protection group is also obtained
The corresponding numbering in two passive optical-fiber network ports, by the command down-transmitting to two passive lights for constituting the protection group
The hardware device accessed under the fine network port.
Preferably, the hardware device includes passive optical-fiber network chip or optical network unit.
Preferably, the occurring source of the real-time event includes that passive optical-fiber network port numbering and optical network unit port are compiled
Number, when the occurring source for parsing real-time event is optical network unit port numbering, need to parse what is connect on optical network unit port
The passive optical-fiber network port numbering of passive optical-fiber network port.
Preferably, the configuration order is to configure the order of passive optical-fiber network port attribute, including configuration port enables
State, configuration port speed, configuration forward error correction enabled state, configuration auto-negotiation enabled state and configuration encryption enabled state.
Preferably, the real-time event include optical network unit (ONU) registration, optical network unit go registration, hardware device alarm,
Multicast joins message and multicast leaves message.
Preferably, the operation layer implementation method of the passive optical-fiber network Port Protection Switching function operates in software layer,
The software layer is divided into webmaster layer, operation layer, adaptation layer and drives layer, and the descending step refers to occur in webmaster layer extremely
Layer is driven, the up step of institute refers to occur driving layer to webmaster layer.
Another aspect of the present invention also provides a kind of operation layer of passive optical-fiber network Port Protection Switching function and realizes system,
It is applied to include that N is more than or equal to 1,2N passive optical-fiber network in the 2N optical line terminal equipment of passive optical-fiber network port
The numbering of port is 1 to 2N, including：Downstream units, the configuration order for receiving user input, two nothings that user is specified
Source fiber optic network port mapping is virtual passive optical-fiber network port to form M two passive optical networks specified by user
The protection group of network port composition, is numbered to virtual passive optical-fiber network port；By virtual passive optical-fiber network port
Attribute requires to configure according to user；Whether passive optical-fiber network port numbering scope is judged more than 2N, if so, then configuration composition is protected
The attribute of two passive optical-fiber network ports of shield group makes it consistent with virtual passive optical-fiber network port attribute, matches somebody with somebody described
Put order and be issued to the hardware device accessed under the protection group；If not, then it represents that do not constitute protection group, directly by configuration order
It is issued to the hardware device accessed under each passive optical-fiber network port；M is more than or equal to 1；Upstream cell, for reporting real-time thing
Part, parses the occurring source of the real-time event, and traversal searches the information of the protection group, judges the passive light of real-time event
Whether the fine network port belongs to the protection group, if so, being composition by the passive optical-fiber network port translation that real-time event occurs
The corresponding passive optical-fiber network port of the protection group, storage and treatment real-time event.
Preferably, the downstream units and upstream cell all include webmaster layer, operation layer, adaptation layer and drive layer.
As described above, the operation layer implementation method of passive optical-fiber network Port Protection Switching function of the present invention and being
System, has the advantages that：
1st, the operation layer realization method and system of passive optical-fiber network Port Protection Switching function of the present invention, solves
Realize that to one the two of protection group member PON mouthful of configuration being synchronously PON mouthfuls protects in passive optical-fiber network mouthful protection
Change the difficult problem of functional development.Methods described is not only applicable suitable equipment, equally applicable frame type equipment.Even miscellaneous service list
The equipment of disk (EPON, GPON) mixed insertion, again may be by the quick exploitation that the method realizes pretection switch function.
2nd, the present invention to protection group it is abstract after, business module is not influenceed substantially after newly-increased pretection switch function,
Operation layer carries out service configuration information management by virtual passive optical-fiber network port, without carrying out logic judgment, in level of abstraction
(adaptation layer) carries out simple logic judgment and is capable of achieving synchronization of the configuration on hardware to configuration object.Whole pretection switch work(
The exploitation of energy only needs to concentrate on PON mouthfuls of management of protection group membership, protection criteria monitoring, switching control and protection group objects to void
Intend PON mouthfuls of mapping.
Brief description of the drawings
The operation layer implementation method flow that Fig. 1 is shown as passive optical-fiber network Port Protection Switching function of the present invention is illustrated
Figure.
Fig. 2 is shown as protecting in the operation layer implementation method of passive optical-fiber network Port Protection Switching function of the present invention assembling
Put the descending steps flow chart schematic diagram that order is issued.
Fig. 3 is shown as being reported in real time in the operation layer implementation method of passive optical-fiber network Port Protection Switching function of the present invention
The up steps flow chart schematic diagram of event.
The operation layer that Fig. 4 is shown as passive optical-fiber network Port Protection Switching function of the present invention realizes system principle structure
Figure.
Component label instructions
The operation layer of 1 passive optical-fiber network Port Protection Switching function realizes system
11 downstream units
12 upstream cells
111 webmasters layer
112 operation layers
113 adaptation layers
114 drive layer
121 drive layer
122 adaptation layers
123 operation layers
124 webmasters layer
S1~S2 steps
Specific embodiment
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages of the invention and effect easily.The present invention can also be by specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that, in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates basic structure of the invention in a schematic way
Think, component count, shape and size when only display is with relevant component in the present invention rather than according to actual implementation in schema then
Draw, it is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
Embodiment one
The present embodiment provides a kind of operation layer implementation method of passive optical-fiber network Port Protection Switching function, is applied to bag
Include in the 2N optical line terminal equipment of passive optical-fiber network port, N is more than or equal to 1, the 2N volume of passive optical-fiber network port
Number be 1 to 2N, in the present embodiment, N be equal to 4, that is to say, that in the present embodiment with 8 OLT of passive optical-fiber network port
As a example by equipment, Fig. 1 is referred to, shows the flow chart of the operation layer implementation method of passive optical-fiber network Port Protection Switching function,
The operation layer implementation method of the passive optical-fiber network Port Protection Switching function includes：
S1, the descending step of protection group command down-transmitting, due to the passive optical-fiber network Port Protection Switching function
Operation layer implementation method operate in software layer, so the software layer is divided into four levels, i.e. webmaster layer, operation layer, adaptation
Layer and driving layer, wherein, the webmaster layer is provided the user and includes graphical interfaces and order line to the administration interface of OLT.It is described
Operation layer is mainly responsible for the preservation and recovery of the logical process and relevant configuration of PON related services.The adaptation layer is also named and taken out
As layer, there is provided unified management interface, the incoming parameter of business module is carried out into parsing arrangement, be passed to driving layer.The drive
Dynamic layer is mainly the operation (configuration) completed to hardware device, and equipment is including PON chips and ONU etc. herein.The configuration order
It is to entangling before the order of configuration passive optical-fiber network port attribute, including configuration port enabled state, configuration port speed, configuration
Wrong enabled state, configuration auto-negotiation enabled state and configuration encryption enabled state.In the present embodiment, there is no passive optical network
During network Port Protection Switching function, the configuration object that the adaptation layer is provided is 1 to No. 8 passive optical-fiber network port, is had
During passive optical-fiber network Port Protection Switching function, the configuration object that the adaptation layer is provided is the passive optical-fiber network of 1 to No. 8
Port, forms 4 protection groups, so institute by the virtual passive optical-fiber network port of the passive optical-fiber network port mapping of No. 1-8
Stating adaptation layer configuration object also includes No. 9-12 this 4 virtual passive optical-fiber network ports.
Therefore, Fig. 2 is referred to, protection group command down-transmitting flow chart of steps, protection group command down-transmitting is shown as
Descending step specifically include following steps：
S11, there is provided a user input interface, the configuration information of user input is received by the user input interface, will
The configuration information is parsed into configuration order, that is, receive the configuration order of user input.
S12, by configuration order storage, and issues the configuration order.
Two passive optical-fiber network port mappings that user specifies are virtual passive optical-fiber network port with shape by S13
Into the protection group that the M two passive optical-fiber network ports specified by user constitute, virtual passive optical-fiber network port is entered
Line number；Virtual passive optical-fiber network port attribute is required according to user to configure, two passive fibers that user is specified
The network port is mapped as virtual passive optical-fiber network port and forms M protection group, and virtual passive optical-fiber network port category
Property according to user require configuration information be passed to the adaptation layer.Wherein, M is more than or equal to 1.
Whether S14, judge passive optical-fiber network port numbering scope more than 2N, if so, step S15 is then performed, if it is not, then
Perform step S17.In step S14, without be concerned about 9-12 passive optical-fiber networks port it is specific it is corresponding be any two members
Passive optical-fiber network port, it is only necessary to will protection group objects operated as a passive optical-fiber network port.In this reality
Apply in example, according to the protection group of configuration, the attribute configuration that user is required gives virtual passive optical-fiber network port, and will configuration
Attribute information be synchronously configured on two member's passive optical-fiber network ports, do not influence the steady of passive optical fiber network system so
It is qualitative.
S15, when passive optical-fiber network port numbering scope is more than 2N, then it represents that configuration is directed to a protection group, leads to
The attribute information for searching the protection group is crossed, the nothing corresponding to two member's passive optical-fiber network ports of this protection group is searched
Source fiber optic network port numbering, configuration constitute this protection group two passive optical-fiber network ports attribute make its with it is virtual
Passive optical-fiber network port attribute is consistent.
S16,9-12 passive optical-fiber networks port is parsed into two member's passive fibers of corresponding composition protection group
During the network port, the hardware device accessed under the command down-transmitting to the protection group.The hardware device includes passive
Fiber optic network chip or optical network unit.
S17, when passive optical-fiber network port numbering scope is not above 2N, then it represents that do not constitute protection group, directly will
The hardware device accessed under command down-transmitting to each passive optical-fiber network port.
S2, the hardware device reports the up step of real-time event, refers to Fig. 3, is shown as hardware device and reports reality
When event up step flow chart, hardware device reports the up step of real-time event to specifically include：
S21, passive optical-fiber network chip reports real-time event to CPU.The real-time event includes optical-fiber network
Unit (ONU) registration, optical network unit go registration, hardware device alarm, multicast joins message and multicast leaves message.
S22, the CPU parses the occurring source of the real-time event, that is, search what the real-time event occurred
Source.The occurring source of the real-time event includes passive optical-fiber network port numbering and optical network unit port numbering, works as parsing
When the occurring source for going out real-time event is optical network unit port numbering, the passive optical network connect on optical network unit port need to be parsed
The passive optical-fiber network port numbering of network port.Also include that traversal searches the information of the protection group in step S22.
S23, according to the information of the protection group for finding, judges that the passive optical-fiber network port that real-time event occurs is
It is no to belong to the protection group, if so, performing step S24；If it is not, performing step S25.The information of the protection group includes protection group
Virtual passive optical-fiber network port numbering, and two member's passive optical-fiber network port numberings in the protection group.
S24, is the corresponding passive light of the composition protection group by the passive optical-fiber network port translation that real-time event occurs
The fine network port；
S25, directly stores and processes real-time event, shows real-time event.
The operation layer implementation method of the passive optical-fiber network Port Protection Switching function of this implementation offer solves nothing
Realize it being synchronously PON mouthfuls of pretection switch work(to one the two of protection group member PON mouthfuls of configuration in source fiber optic network mouthful protection
Can the difficult problem of exploitation.Methods described is not only applicable suitable equipment, equally applicable frame type equipment.Even miscellaneous service single-deck
The equipment of (EPON, GPON) mixed insertion, again may be by the quick exploitation that the method realizes pretection switch function.
Embodiment two
The present embodiment provides a kind of operation layer of passive optical-fiber network Port Protection Switching function and realizes system 1, refers to
Fig. 4, the operation layer for being shown as passive optical-fiber network Port Protection Switching function realizes the principle assumption diagram of system, the system,
It is applied to include that N is more than or equal to 1,2N passive optical-fiber network in the 2N optical line terminal equipment of passive optical-fiber network port
The numbering of port is 1 to 2N, including downstream units 11 and upstream cell 12.
The downstream units 11 are used to receive the configuration order of user input, two passive optical-fiber networks that user is specified
Port mapping is that virtual passive optical-fiber network port is constituted with forming the M two passive optical-fiber network ports specified by user
Protection group, virtual passive optical-fiber network port is numbered；By virtual passive optical-fiber network port attribute according to
Family requires configuration；Whether passive optical-fiber network port numbering scope is judged more than 2N, if so, then two of configuration composition protection group
The attribute of passive optical-fiber network port makes it consistent with virtual passive optical-fiber network port attribute, by the command down-transmitting
The hardware device accessed under to the protection group；If not, then it represents that do not constitute protection group, directly by command down-transmitting to each
The hardware device accessed under passive optical-fiber network port；M is more than or equal to 1；
The upstream cell 12 is used to report real-time event, parses the occurring source of the real-time event, and traversal is searched described
The information of protection group, judges whether the passive optical-fiber network port that real-time event occurs belongs to the protection group, if so, will occur
The passive optical-fiber network port translation of real-time event is the corresponding passive optical-fiber network port of the composition protection group, storage and place
Reason real-time event.The downstream units 11 include webmaster layer 111, operation layer 112, adaptation layer 113 and drive layer 114, it is described on
Row unit 12 includes driving layer 121, adaptation layer 122, operation layer 123 and webmaster layer 124.
Because the operation layer of the passive optical-fiber network Port Protection Switching function realizes that system is applied in software layer, institute
Four levels, i.e. webmaster layer, operation layer, adaptation layer are divided into the software layer and layer is driven, wherein, the webmaster layer is use
Family provides includes graphical interfaces and order line to the administration interface of OLT.The operation layer is mainly responsible for the logic of PON related services
Treatment and the preservation and recovery of relevant configuration.The adaptation layer is also level of abstraction, there is provided unified management interface, by business mould
The incoming parameter of block carries out parsing arrangement, is passed to driving layer.The driving layer is mainly operation of the completion to hardware device and (matches somebody with somebody
Put), equipment is including PON chips and ONU etc. herein.The configuration order is to configure the order of passive optical-fiber network port attribute,
Including configuration port enabled state, configuration port speed, configuration forward error correction enabled state, configuration auto-negotiation enabled state and
Configuration encryption enabled state.In the present embodiment, when not having passive optical-fiber network Port Protection Switching function, the adaptation layer is carried
The configuration object of confession is 1 to No. 8 passive optical-fiber network port, when with passive optical-fiber network Port Protection Switching function, institute
The configuration object for stating adaptation layer offer is the passive optical-fiber network port of 1 to No. 8, and the passive optical-fiber network port of No. 1-8 is reflected
Penetrate virtual passive optical-fiber network port and form 4 protection groups, so adaptation layer configuration object also includes No. 9-12 this 4
Virtual passive optical-fiber network port.
When downstream units 11 perform the descending function of protection group command down-transmitting, the webmaster layer 111 provides one
User input interface, the configuration information of user input is received by the user input interface, and the configuration information is parsed into
Configuration order, that is, receive the configuration order of user input.
The operation layer 112 stores the configuration order, by the command down-transmitting.
Two passive optical-fiber network port mappings that the adaptation layer 113 specifies user are virtual passive optical-fiber network
Port to form the protection group that two passive optical-fiber network ports that M is specified by user constitute, to virtual passive optical network
Network port is numbered；Virtual passive optical-fiber network port attribute is required according to user to configure, the adaptation layer 113 is called
Two passive optical-fiber network port mappings that user specifies are that virtual passive optical-fiber network port forms M protection by interface
Group, and virtual passive optical-fiber network port attribute requires that the information of configuration is passed to the adaptation layer 113 according to user.Its
In, M is more than or equal to 1.Whether the adaptation layer 113 judges passive optical-fiber network port numbering scope more than 2N, if, then it represents that
Configuration is directed to a protection group, and the adaptation layer 113 searches this protection group by searching the attribute information of the protection group
Two member's passive optical-fiber network ports corresponding to passive optical-fiber network port numbering, configuration constitute this protection group two
The attribute of individual passive optical-fiber network port makes it consistent with virtual passive optical-fiber network port attribute, and by 9-12 passive lights
When the fine network port is parsed into two member passive optical-fiber network ports of corresponding composition protection group, the drive is called at twice
Dynamic layer interface, the hardware device that the driving layer 114 will be accessed under the command down-transmitting to the protection group.If it is not, then
Expression does not constitute protection group, and the driving layer 114 will directly be accessed under command down-transmitting to each passive optical-fiber network port
Hardware device.
When execution reports real-time event, the driving layer 121 makes on passive optical-fiber network chip the upstream cell 12
Report real-time event to CPU.The real-time event includes that optical network unit (ONU) registration, optical network unit remove registration, hardware
Equipment alarm, multicast join message and multicast leaves message.
The adaptation layer 122 makes the CPU parse the occurring source of the real-time event, that is, search the reality
When event occur source.The occurring source of the real-time event includes passive optical-fiber network port numbering and optical network unit port
Numbering, when the occurring source for parsing real-time event is optical network unit port numbering, need to parse and be connect on optical network unit port
Passive optical-fiber network port passive optical-fiber network port numbering.The adaptation layer 122 is also responsible for traversal and searches the protection
Whether the information of group, the protection group is belonged to according to the passive optical-fiber network port for judging real-time event, if so, described suitable
By the passive optical-fiber network port translation that real-time event occurs it is the corresponding passive optical-fiber network of the composition protection group with layer 122
Port, the operation layer 123 stores and processes real-time event, and the webmaster layer 124 shows real-time event；If it is not, the business
Layer 123 directly stores and processes real-time event, and webmaster layer 124 shows real-time event.
The present invention has been experimentally confirmed, and can be verified in frame type equipment FP8680 equipment, and abstract method exists
8GPON, 8EPON, 16EPON are upper general.And in the core logic without the original software ejaculation of change equipment, stability is high, passes through
Way of compiling control can realize that function is detachable.
The operation layer realization method and system of passive optical-fiber network Port Protection Switching function of the present invention, solves
Realize it being synchronously PON mouthfuls of pretection switch to one the two of protection group member PON mouthfuls of configuration in passive optical-fiber network mouthful protection
The difficult problem of functional development.Methods described is not only applicable suitable equipment, equally applicable frame type equipment.Even miscellaneous service single-deck
The equipment of (EPON, GPON) mixed insertion, again may be by the quick exploitation that the method realizes pretection switch function.And the present invention
To protection group it is abstract after, business module is not influenceed substantially after newly-increased pretection switch function, in operation layer by virtual nothing
Source fiber optic network port carries out service configuration information management, right to configuring in level of abstraction (adaptation layer) without carrying out logic judgment
Synchronization of the configuration on hardware is capable of achieving as carrying out simple logic judgment.The exploitation of whole pretection switch function only needs to collection
In in PON mouthful of group membership of protection management, protection criteria monitoring, switching control and protect group objects to virtual PON mouthfuls mapping.Its
In, protection criteria monitoring specifically includes detection Link State, and LOS occurs in optical link, and link deterioration, the bit error rate crosses limit etc., triggering
Switch.The particular content of switching control includes that pretection switch condition monitoring, synchronizing event information, control are switched.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should be covered by claim of the invention.
Claims (10)
1. a kind of operation layer implementation method of passive optical-fiber network Port Protection Switching function, is applied to include 2N passive fiber
In the optical line terminal equipment of the network port, N is 1 to 2N more than or equal to the numbering of 1,2N passive optical-fiber network port, and it is special
Levy and be, including：
The descending step of protection group command down-transmitting, the step includes：Two passive optical-fiber network ports that user is specified
Virtual passive optical-fiber network port is mapped as to form the guarantor that the M two passive optical-fiber network port specified by user constitutes
Shield group, is numbered to virtual passive optical-fiber network port；Will according to user by virtual passive optical-fiber network port attribute
Ask configuration；Whether passive optical-fiber network port numbering scope is judged more than 2N, if so, then configure composition protection group two are passive
The attribute of fiber optic network port makes it consistent with virtual passive optical-fiber network port attribute, by the command down-transmitting to institute
State the hardware device accessed under protection group；If it is not, will directly be accessed under command down-transmitting to each passive optical-fiber network port
Hardware device；M is more than or equal to 1；
The hardware device reports the up step of real-time event, the step to include：Real-time event is reported, the real-time thing is parsed
The occurring source of part, traversal searches the information of the protection group, judges whether the passive optical-fiber network port that real-time event occurs belongs to
In the protection group, if so, by the passive optical-fiber network port translation that real-time event occurs for the composition protection group is corresponding
Passive optical-fiber network port, storage and treatment real-time event；If it is not, directly storing and processing real-time event.
2. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：Methods described also includes receiving the configuration order of user input, that is, the configuration information of user input is received, by the configuration
Information analysis are into configuration order.
3. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：When passive optical-fiber network port numbering scope is judged more than 2N, two passive lights of the composition protection group are also obtained
The corresponding numbering of the fine network port, by the command down-transmitting to two passive optical-fiber network ports for constituting the protection group
The hardware device of lower access.
4. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 3, its feature
It is：The hardware device includes passive optical-fiber network chip or optical network unit.
5. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：The occurring source of the real-time event includes passive optical-fiber network port numbering and optical network unit port numbering, works as parsing
When the occurring source for going out real-time event is optical network unit port numbering, the passive optical network connect on optical network unit port need to be parsed
The passive optical-fiber network port numbering of network port.
6. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：The configuration order is to configure the order of passive optical-fiber network port attribute, including configuration port enabled state, configuration end
Mouth speed, configuration forward error correction enabled state, configuration auto-negotiation enabled state and configuration encryption enabled state.
7. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：The real-time event includes that optical network unit (ONU) registration, optical network unit go registration, hardware device alarm, multicast to add report
Text and multicast leave message.
8. the operation layer implementation method of passive optical-fiber network Port Protection Switching function according to claim 1, its feature
It is：The operation layer implementation method of the passive optical-fiber network Port Protection Switching function operates in software layer, the software layer
It is divided into webmaster layer, operation layer, adaptation layer and drives layer, the descending step refers to occur in webmaster layer to driving layer, in institute
Row step refers to occur driving layer to webmaster layer.
9. a kind of operation layer of passive optical-fiber network Port Protection Switching function realizes system, is applied to include 2N passive fiber
In the optical line terminal equipment of the network port, N is 1 to 2N more than or equal to the numbering of 1,2N passive optical-fiber network port, and it is special
Levy and be, including：
Downstream units, the configuration order for receiving user input, two passive optical-fiber network port mappings that user is specified
It is virtual passive optical-fiber network port forming the protection that two passive optical-fiber network ports that M is specified by user constitute
Group, is numbered to virtual passive optical-fiber network port；Virtual passive optical-fiber network port attribute is required according to user
Configuration；Whether passive optical-fiber network port numbering scope is judged more than 2N, if so, then two passive lights of configuration composition protection group
The attribute of the fine network port makes it consistent with virtual passive optical-fiber network port attribute, by the command down-transmitting to described
The hardware device accessed under protection group；If not, then it represents that do not constitute protection group, directly by command down-transmitting to each passive light
The hardware device accessed under the fine network port；M is more than or equal to 1；
Upstream cell, for reporting real-time event, parses the occurring source of the real-time event, and traversal searches the letter of the protection group
Breath, judges whether the passive optical-fiber network port that real-time event occurs belongs to the protection group, if so, real-time event will be there is
Passive optical-fiber network port translation is the corresponding passive optical-fiber network port of the composition protection group, stores and process real-time thing
Part.
10. the operation layer of passive optical-fiber network Port Protection Switching function according to claim 9 realizes system, its feature
It is：The downstream units and upstream cell all include webmaster layer, operation layer, adaptation layer and drive layer.
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| CN104133919A (en) * | 2014-08-22 | 2014-11-05 | 上海斐讯数据通信技术有限公司 | Management information base index value and device index value converting method and converting system |
| CN104539438B (en) * | 2015-01-07 | 2018-04-17 | 烽火通信科技股份有限公司 | A kind of system and method for being used in PON system realize multicast service layering |
| CN104734773B (en) * | 2015-04-16 | 2019-10-01 | 上海斐讯数据通信技术有限公司 | GPON network C class optical link pretection switch optimization method |
| CN106301538A (en) * | 2015-05-18 | 2017-01-04 | 中兴通讯股份有限公司 | A kind of method realizing pretection switch and optical network unit |
| CN110545158B (en) * | 2019-07-23 | 2022-05-10 | 国网福建省电力有限公司 | Virtualization and self-adaptive communication system and communication method for multiple interfaces of optical digital tester |
| CN114040271B (en) * | 2020-07-21 | 2024-03-01 | 中国电信股份有限公司 | Distributed OLT configuration method, main control module and distributed OLT |
| CN115643504B (en) * | 2022-10-12 | 2023-05-12 | 广州芯德通信科技股份有限公司 | Automatic synchronous configuration method for dual-homing PON protection |
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