CN109639388A - A kind of teleservice management method based on OTN/SDH fusion device - Google Patents
A kind of teleservice management method based on OTN/SDH fusion device Download PDFInfo
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- CN109639388A CN109639388A CN201910008169.4A CN201910008169A CN109639388A CN 109639388 A CN109639388 A CN 109639388A CN 201910008169 A CN201910008169 A CN 201910008169A CN 109639388 A CN109639388 A CN 109639388A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/167—Optical Transport Network [OTN] interaction with SDH/SONET, e.g. carrying SDH/SONET frames, interfacing with SDH/SONET
Abstract
The invention discloses a kind of teleservice management methods based on OTN/SDH fusion device, comprising the following steps: creates VSDH virtual port and its association attributes in the side ODUk of OTN/SDH fusion device；VSDH virtual port and the channel ODUk ID are bound；It generates virtual link and is added in pathfinding matrix and virtual link connection table；SDH business is created using VSDH virtual port and is activated, and the VSDH virtual port and mapping relations bound when downloading ODUk business are handed down to OTN/SDH fusion device together.The present invention, the VSDH virtual port created have true SDH equipment port characteristic, can be carried out directly as SDH interface when creating SDH business using, and it can be realized by the relevant attribute of software configuration, it does not need to increase hardware device, reduce costs, and configure convenient and efficient.
Description
Technical field
The present invention relates to telecommunication transport network technical fields, and in particular to a kind of based on the end-to-end of OTN/SDH fusion device
Network management business management method, for realizing the old SDH of telecommunication transport network (synchronous digital conveyer system) equipment and big bandwidth OTN
Seamless interfacing between (Optical Transport Network, optical transfer network) equipment, and carried out end to end by network management
Service management.
Background technique
OTN introduces the powerful operation of SDH, dimension based on wavelength-division multiplex technique on the basis of super large transmission capacity
Shield, management and assignment (OAM) ability, while making up function shortage and maintenance management expense of the SDH when towards transport layer not
Foot, is the major technique of next-generation Backbone Transport Network.
The basic object of OTN processing is wavelength level business, and transmission net is advanced to real multi-wavelength light network stage by it.
Due to combining the advantage of area of light and electrical domain processing, OTN can provide huge transmit capacity, fully transparent end-to-end wave
The connection of length/wavelet length and the protection of carrier class, are the best techniques of transmitting broadband services of large granularities.
The major advantage of OTN is complete back compatible, it can establish on existing SONET/SDH management function basis
On, the fully transparent of existing communication protocol is provided not only, but also provide connection and networking capability end to end for WDM,
It provides the specification of photosphere interconnection for ROADM, and converges and dredge ability supplemented with wavelet length.
Therefore, with the fast development of telecommunication service, the scale of transmission network constantly expands, and the transmission network equipment of mainstream is all
Replace via OTN equipment.But due to cannot achieve integrated services between OTN equipment and SDH equipment, in device update process
In, it will a large amount of SDH equipments are eliminated, the very big wasting of resources is caused.
For this purpose, prior art discloses a kind of light conveying network node structure, equipment and business scheduling method, in the program,
Scheduling unit is centralized dispatching unit, is connected to transparent cross unit by the transparent cross unit of a large capacity and one or more
Under dedicated cross unit composition, the transparent cross unit access service of large capacity, and according to the configuration needs of access service, directly
Cross-over configuration is carried out or is dispatched to the dedicated cross unit of connection to be further processed, by handled signal dispatching to required defeated
Exit port, gives Service Processing Unit and WDM processing unit carries out subsequent processing, that is, uses SDH/SONET and MSTP equipment tune
Traditional business and short grained data service are spent, and services of large granularities signal directly intersects equipment by OTN and is scheduled, and realizes former
Carry out organically blending for independent SDH and OTN equipment.But the program needs to increase the corresponding hardware device that intersects and realizes, cost
It is high.And it does not disclose how to realize service management end to end.
In view of this, needing to improve existing OTN and SDH equipment integration program, upgrading cost is reduced, and
Service management end to end can be conveniently realized by network management.
Summary of the invention
The technical problem to be solved by the present invention is to existing SDH and OTN integration program cost height, cannot conveniently realize end
To end service management the problem of.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing a kind of based on OTN/SDH fusion
The teleservice management method of equipment, comprising the following steps:
In the side ODUk of OTN/SDH fusion device, VSDH virtual port and its association attributes, the VSDH virtual terminal are created
The association attributes of mouth include the VSDH virtual port: affiliated NE ID, the mapped mode of main interface number and ODUk and port
Rate；
VSDH virtual port and the channel ODUk ID are bound；
It generates virtual link and is added in pathfinding matrix and virtual link connection table, the pathfinding for SDH business；
SDH business is created using the VSDH virtual port and is activated, and the VSDH bound when downloading ODUk business is empty
Quasi- port and mapping relations, are handed down to OTN/SDH fusion device together.
In the above-mentioned methods, when creating the VSDH virtual port, in the sourcesink nodal community configuration of ODUk circuit
Store corresponding VSDH main interface number.
In the above-mentioned methods, when binding the VSDH virtual port, its port speed highest is set no more than ODUk's
Bandwidth.
In the above-mentioned methods,
The channel ODUk and the method that VSDH virtual port is bound are as follows:
Network element configuration server is called to check the current whole VSDH virtual ports created and used
VDSH interface；
Idle VDSH interface is selected, new VSDH virtual port is generated according to ODKU circuit bandwidth；
The attribute of the main interface of VSDH virtual port generated and ODUk sourcesink crossover node is bound.
In the above-mentioned methods,
The method of VSDH virtual port solution binding is as follows:
Network element configuration is obtained, whether is that sky judges whether it has activated by the channel the ODUk ID of VSDH binding；
If un-activation, which is deleted from pathfinding matrix, virtual link is then deleted, it is right to destroy its
As deleting the VSDH virtual port, finally modifying the state of activation of business and report network management；
If it is activation, then the flag of the sourcesink cross term of the operating path of ODUk circuit is changed to FLAG_IS_
DIABLE；The configuration of the VSDH virtual port in network element configuration is obtained, by its slot number, channel ID, port rank is set as 0,
Issue modification configuration order；Delete the data of correlation VSDH virtual port in each business.
In the above-mentioned methods, generate virtual link carry out pathfinding the following steps are included:
Obtain the VSDH virtual port that all can be used；
Selection source, egress mouth time slot；
Selection needs VSDH virtual port to be used in routing policy；
The network element port that beginning looking for it by source port can be used to intersect passes through this after finding VSDH virtual port
VSDH virtual port searches the virtual link connection table for going to create when binding VSDH virtual port before, according to the corresponding void found
Quasi- link, finds the VSDH virtual port of egress, then goes to search the port SDH that can intersect with this VSDH virtual port, until
It is unknown to find incoming egress mouth.
In the above-mentioned methods, when downloading ODUk business,
For ODUk circuit, the relevant information that the VSDH virtual port needs are downloaded includes:
VSDH virtual port: route disk virtual interface, it is specified when ODUk binds VSDH；
Add slot number, the associated channel ODUk ID, mapped mode；
When for SDH circuit, the relevant information that the VSDH virtual port needs are downloaded includes:
VSDH VC4 interface: VC4 time slot is hung under VSDH virtual port；
Add slot number, the associated channel ODUk ID, mapped mode.
In the above-mentioned methods, an ODUk can carry a plurality of SDH business, but the sum of SDH service bandwidth cannot be greater than
ODUk bandwidth chahnel.
In the above-mentioned methods, the same network element can create multiple VSDH virtual ports, be identified by main interface number.
In the above-mentioned methods, the timing of VSDH virtual port unbundlings, first fallback circuit, if mistake, benefit occur for solution binding
State rollback is carried out with the fallback circuit.
Compared with prior art, the present invention is by creating VSDH virtual port simultaneously in the side ODUk of OTN/SDH fusion device
Mapping is established, the VSDH virtual port and mapping relations bound when downloading ODUk business are handed down to OTN/SDH fusion together
Equipment.It, can be straight when creating SDH business since the VSDH virtual port created has the characteristic of true SDH equipment port
It connects as SDH interface and carries out using and can be realized by the relevant attribute of software configuration, do not need to increase hardware and set
It is standby, it reduces costs, and configure convenient and efficient.
Detailed description of the invention
Fig. 1 is that Fig. 1 is existing common SDH business model schematic diagram；
Fig. 2 is that Fig. 2 is existing common OTN business model schematic diagram；
Fig. 3 is OTN/SDH fusion device schematic diagram in the present invention；
Fig. 4 is the teleservice management method flow chart based on OTN/SDH fusion device in the present invention；
Fig. 5 is the flow chart of VSDH virtual port binding in the present invention；
Fig. 6 is the flow chart of VSDH virtual port solution binding in the present invention；
Fig. 7 is the flow chart for generating virtual link in the present invention and carrying out pathfinding.
Specific embodiment
The present invention provides a kind of teleservice management method based on OTN/SDH fusion device, OTN equipment and SDH
It is connected between equipment by OTN/SDH fusion device, virtual SDH interface is created on the basis of existing ODUk (hereinafter referred to as
VSDH virtual port) and mapping is established, it is docked with true SDH equipment interface, to realize SDH equipment and OTN equipment
Seamless interfacing, and can be managed end to end by network management.The present invention, it is convenient that technical solution is realized, scrap build cost
It is low, it is very suitable to transition upgrading of the current SDH system to OTN system.With reference to the accompanying drawings of the specification and specific embodiment
The present invention is described in detail.
Fig. 1 is existing common SDH business model schematic diagram, and by can see in figure, the business of branch trackside is directly logical
The port the SDH formation for crossing Cross Trade and line side intersects, and creates business.
Fig. 2 is existing common OTN business model schematic diagram, and by can see in figure, branch disk is also to pass through intersection
Disk does electric intersect with line side.
Based on the analysis of both the above business model, existing ODUk business, at port mouthfuls of disk backboard of business two-termial line
On will create ODUk particle, this ODUk particle and port mouthfuls have a mapping relations, and therefore, realization principle of the invention is: logical
The creation VSDH virtual port on this ODUk particle is crossed, so that EMS network management can see the VSDH present on single-deck and virtually connect
Mouthful, which has the characteristic of true SDH equipment port, can be directly as SDH interface when creating SDH business
Come carry out using；After the completion of the creation of VSDH virtual port, it is issued to OTN/SDH fusion device, have in the content issued and is somebody's turn to do
The associated channel the ODUk ID of OTN/SDH fusion device, OTN/SDH fusion device parse it, thus with being created
ODUk particle associates, and realizes the seamless interfacing of old SDH equipment Yu OTN equipment.
The present invention program creates VSDH virtual port, without excessive only in the side ODUk of SDH/OTN fusion device
Ground increases hardware device and greatly reduces cost in networking renewal process.
In conjunction with the above inventive principle, the teleservice management method provided by the invention based on OTN/SDH fusion device,
The realization of its basic technical scheme, comprising the following steps:
In the side ODUk of OTN/SDH fusion device, VSDH virtual port and its association attributes, the VSDH virtual terminal are created
The association attributes of mouth include the VSDH virtual port: affiliated NE ID, the mapped mode of main interface number and ODUk and port
Rate；
VSDH virtual port and the channel ODUk ID are bound；
It generates virtual link and is added in pathfinding matrix and virtual link connection table, the pathfinding for SDH business；
SDH business is created using the VSDH virtual port on network management and is activated, and is bound when downloading ODUk business
VSDH virtual port and mapping relations, be handed down to OTN/SDH fusion device together.
In order to make more clearly explanation and illustration to technical solution of the present invention and implementation, realization introduced below is originally
Several preferred specific embodiments of inventive technique scheme.Obviously, specific embodiment discussed below is only of the invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Specific embodiment 1.
As shown in Figure 3, Figure 4, the end-to-end network management based on OTN/SDH fusion device that the specific embodiment of the invention 1 provides
Business management method, comprising the following steps:
Step S10, in the side ODUk of OTN/SDH fusion device, VSDH virtual port is created, meanwhile, pass through creation
Information setting is created that the association attributes of the VSDH virtual interface come.
The association attributes of VSDH virtual port include: affiliated NE ID m_iNeId, for indicating the VSDH virtual port
Belong to that network element；Main interface m_iMainIndex, for indicating to identify the VSDH virtual port；With the mapped mode of ODUk
M_eMapType is parsed for OTN/SDH fusion device；And port speed m_ePortRate, for being created below
SDH business when carrying out pathfinding, judges that resource size uses, which is issued to OTN/ in the association attributes of VSDH virtual port
It also will use when SDH fusion device, for informing the port bandwidth of this VSDH virtual port of OTN/SDH fusion device, wherein
Amount of bandwidth of the port bandwidth highest no more than ODUk of VSDH virtual port.
According to the above-mentioned association attributes of VSDH virtual port it is found that the VSDH virtual port possesses the spy of the true port SDH
Property, therefore SDH business can be created directly on network management.
When creating VSDH virtual port, corresponding VSDH master is stored in the attribute configuration of the former destination node of ODUk circuit
Interface number.For example, VSDH main interface m_iMainIndex to be stored in the m_ of the crossitem of former destination node attribute configuration
In iPveId, to realize that VSDH virtual port and ODUk are bound.
The present invention program, the same network element can create multiple VSDH virtual ports, and be distinguish by main interface number.
Step S20, VSDH virtual port and ODUk are bound.
The effect of the step binds VSDH virtual port for realizing in current existing ODUk business, i.e., by VSDH
Virtual port and the channel ODUk ID are bound, can be according to this after the attribute of VSDH virtual port is issued to OTN/SDH fusion device
A channel ODUk ID identifies that the signal on this VSDH virtual port should walk that channel ODUk.
Step S30, virtual link, the pathfinding for SDH business are generated.
Since current network management is all to carry out pathfinding operation by link, in the present solution, having bound VSDH
It after virtual port, needs by creating virtual link, carries out pathfinding when creating SDH business to realize.
The attribute of virtual link includes the source of link, place VSDH virtual port, and VSDH virtual port and the channel ODUk are bound
Later, the VSDH virtual port at virtual link both ends has also been created that, can directly be filled out these attributes in virtual link
It saves, is directly used when pathfinding below.
As shown in fig. 7, the present invention program calls obtain VSDH virtual port first when generating virtual link progress pathfinding
Function (such as GetObjByConditions ()) obtains the VSDH virtual port that all can be used；
Later, the time slot that source, egress mouth are selected on the administration interface of network management, selection needs to be used in routing policy
VSDH virtual port；
EMS network management begins looking for its network element port that can be used to intersect by source port, after finding VSDH virtual port,
It searches, finds corresponding in the virtual link connection table created when binding VSDH virtual port before going by this VSDH virtual port
Virtual link after, the VSDH virtual port of egress is found according to the virtual link, then go search can be with this VSDH virtual terminal
The port SDH of oral sex fork, until the egress mouth for finding incoming is unknown.
Finally, carrying out pathfinding by pathfinding interface, optimal virtual link is generated.
GetObjByConditions () function can by be passed to different conditions return it is different as a result, for example, this
In scheme, all available VSDH virtual ports can be returned to by being passed to this vacant condition of VSDH virtual port.
Step S40, created and SDH business and activated using VSDH virtual port, when downloading ODUk business, by ODUk business with
VSDH virtual port and its mapping relations are handed down to OTN/SDH fusion device together.
The method of creation SDH business belongs to the prior art, in the present invention program, since the VSDH virtual port created is gathered around
There is the characteristic of the true port SDH, therefore, when creating SDH business, is adapted on the basis of original pathfinding, pathfinding
It is encountered in journey directly as a link after VSDH virtual port, VSDH virtual terminal is being bound by this VSDH virtual port before
Corresponding virtual link is searched in the virtual link created when mouth, after finding corresponding virtual link, finds egress afterwards
VSDH virtual port, pathfinding is gone down always, is finally created that SDH business.
The sending down service of creation is given to OTN/SDH fusion device, when the return of OTN/SDH fusion device issues successful message
When, indicate that VSDH virtual port is activated, such VSDH virtual port, which is just established with ODUk, to be contacted.
When the downloading of business,
For ODUk circuit, the relevant information for needing to download includes:
VSDH virtual port, it is specified when ODUk binds VSDH virtual port；
Add slot number, the associated channel ODUk ID and mapped mode.
For SDH circuit, the relevant information for needing to download includes:
VSDH VC4 interface, VSDH virtual port hang the time slot of VC4；
Add slot number, the associated channel ODUk ID and mapped mode.
SDH is intersected: configuring VSDH VC4 interface for SDH VC4 interface.
One ODUk can carry a plurality of SDH business, but the sum of SDH service bandwidth cannot be greater than the band in the channel ODUk
It is wide.
Specific embodiment 2.
As shown in figure 5, the specific embodiment of the invention 2 is the specific refinement to creation VSDH virtual port and binding, including
Following steps:
Step S21: network element configuration server is called to check currently whole VSDH virtual ports for having created and
The VSDH virtual port used；
Step S22: selecting idle VSDH virtual port, and detects whether selected VSDH virtual port has made again
With, such as do not use, then new VSDH virtual port is generated according to ODKU circuit bandwidth；If used, reselecting the free time
VSDH virtual port；
Step S23: the main interface number of the VSDH virtual port of generation and the m_iPveld attribute of ODUk sourcesink node are tied up
It is fixed；
Step S24: the VSDH virtual port of generation is added in the m-mapSvePort attribute of the network element, to carry out pipe
Reason.
Step S25: it generates virtual link and is added in pathfinding matrix and virtual link connection table.
Specific embodiment 3.
As shown in fig. 6, the specific embodiment of the invention 3 is the specific refinement to the binding of VSDH virtual port solution, including following
Step:
Step S31: fallback circuit, for being carried out using fallback circuit when VSDH virtual port solution binds generation mistake
State rollback；
Step S32: obtaining network element configuration, and whether the channel the ODUk ID bound by VSDH virtual port is sky, and judgement should
Whether VSDH virtual port has activated；If activated, S33 is gone to step；If un-activation goes to step S38；
Step S33: Ccircuit::PreDeleteVsdh interface (pre- to delete VSDH virtual port) is called, is deleted
Pretreatment before VSDH virtual port, such as release and occupy；
Step S34: the downloading label flag of the sourcesink cross term of the operating path of ODUk circuit is changed to FLAG_IS_
DIABLE (indicates that the VSDH virtual port was not downloaded).After executing this operation, there is no solutions to be bound into for the port VDSH
Function, because needing to remove the related ODUk attribute of the VSDH virtual port in network element configuration；
Step S35: downloading ODUk circuit, since the downloading label flag of sourcesink cross term is FLAG_IS_DIABLE, table
It is bright to solve binding VSDH virtual port at this time；
Step S36: the configuration of the VSDH virtual port in network element configuration is obtained, by its slot number, channel ID and port level
It is not set as 0, issues modification configuration order；
Step S37: after network element configuration returns to modification configuration order downloading success message, circuit source, place cross term are reexamined
Flag；If it is FLAG_PVE_IS_DISABLE, illustrates that just just-downloaded is solution binding VSDH virtual port, delete more industry
The data of correlation VSDH virtual port in business；Otherwise, 35 are gone to step；
Step S38: calling Ccircuit::DeleteSve interface (port deletion), deletes VSDH virtual port；
Step S39: virtual link is deleted from pathfinding matrix；Virtual link is deleted, and destroys its object, from m_
The VSDH virtual port is deleted in mapSvePort；
Step S40: the state of activation of modification SDH business simultaneously reports, and completes the solution binding of VSDH virtual port.
Specific embodiment 4.
Generating virtual link, the specific method is as follows:
It binds on the m_iPveld attribute that the VSDH main interface number generated intersects network element to the source ODUk, place；
Virtual link and initialization of virtual link port time slot size are generated, the virtual link of generation is added to pathfinding square
Battle array neutralizes in virtual link connection table.
Specific embodiment 5.
As shown in figure 3, the process for creating business is as follows using the method for the present invention:
Select a port OCH of the 4LU2 disk of fusion device 1 as source port, one of the 4LU2 disk of fusion device 2
The port OCH creates OCH business as egress mouth；
A port backboard port of the 4LU2 disk of fusion device 1 is selected as source port, the one of the 4LU2 disk of fusion device 2
As egress mouth, the OCH business for selecting previous step to create creates ODUk as service layer for the port a backboard port；
VSDH virtual port is bound on the ODUk of creation, source and place network element can all generate a virtual VSDH virtual terminal
Mouthful；
Select a port SDH of the S4V1 disk of fusion device 1 as source port, one of the S4V1 disk of fusion device 2
The port SDH creates SDH business as egress mouth, carries out pathfinding by the VSDH virtual port created before.
The present invention program has following apparent advantage:
(1) it by creation VSDH virtual port, is docked with true SDH equipment interface, realizes SDH equipment and OTN equipment
Seamless interfacing, project cost substantially reduces.
(2) the VSDH virtual port created has the characteristic of true SDH equipment port, can be with when creating SDH business
It carries out directly as SDH interface using easy to use.
(3) VSDH virtual port can carry out service management end to end by network management, facilitate service management.
(4) technical solution is realized simple.
The invention is not limited to above-mentioned preferred forms, and anyone should learn that is made under the inspiration of the present invention
Structure change, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of teleservice management method based on OTN/SDH fusion device, which comprises the following steps:
In the side ODUk of OTN/SDH fusion device, VSDH virtual port and its association attributes are created, the VSDH virtual port
Association attributes include the VSDH virtual port: affiliated NE ID, the mapped mode of main interface number and ODUk and port speed
Rate；
VSDH virtual port and the channel ODUk ID are bound；
It generates virtual link and is added in pathfinding matrix and virtual link connection table, the pathfinding for SDH business；
SDH business is created using the VSDH virtual port and is activated, the VSDH virtual terminal bound when downloading ODUk business
Mouth and mapping relations, are handed down to OTN/SDH fusion device together.
2. the method according to claim 1, wherein when creating the VSDH virtual port, in ODUk circuit
Sourcesink nodal community configuration in store corresponding VSDH main interface number.
3. the method according to claim 1, wherein setting its port speed when binding the VSDH virtual port
Bandwidth of the rate highest no more than ODUk.
4. the method according to claim 1, wherein the method for the channel ODUk and the binding of VSDH virtual port is such as
Under:
Network element configuration server is called to check that the current whole VSDH virtual ports created and the VDSH used connect
Mouthful；
Idle VDSH interface is selected, new VSDH virtual port is generated according to ODKU circuit bandwidth；
The attribute of the main interface of VSDH virtual port generated and ODUk sourcesink crossover node is bound.
5. the method according to claim 1, wherein the method for VSDH virtual port solution binding is as follows:
Network element configuration is obtained, whether is that sky judges whether it has activated by the channel the ODUk ID bound with VSDH；
If un-activation, which is deleted from pathfinding matrix, then deletes virtual link, its object is destroyed, deletes
Except the VSDH virtual port, finally modifies the state of activation of business and report network management；
If it is activation, then the flag of the sourcesink cross term of the operating path of ODUk circuit is changed to FLAG_IS_DIABLE；It obtains
The configuration for taking the VSDH virtual port in network element configuration, by its slot number, channel ID, port rank is set as 0, issues modification and matches
Set order；Delete the data of the VSDH virtual port in each business.
6. the method according to claim 1, wherein generate virtual link carry out pathfinding the following steps are included:
Obtain the VSDH virtual port that all can be used；
Selection source, egress mouth time slot；
Selection needs VSDH virtual port to be used in routing policy；
Its network element port that can be used to intersect is begun looking for by source port, after finding VSDH virtual port, passes through this VSDH
The virtual link connection table created when binding VSDH virtual port before virtual port is searched, according to the respective virtual chain found
Road, finds the VSDH virtual port of egress, then searches the port SDH that can intersect with this VSDH virtual port, passes until finding
The egress mouth entered is unknown.
7. the method according to claim 1, wherein downloading ODUk business when,
For ODUk circuit, the information that the VSDH virtual port needs are downloaded includes:
VSDH virtual port: route disk virtual interface, it is specified when ODUk binds VSDH；
Add slot number, the associated channel ODUk ID, mapped mode；
For SDH circuit, the information that the VSDH virtual port needs are downloaded includes:
VSDH VC4 interface: VC4 time slot is hung under VSDH virtual port；
Add slot number, the associated channel ODUk ID, mapped mode.
8. the method according to claim 1, wherein an ODUk can carry a plurality of SDH business, but SDH industry
The sum of business bandwidth cannot be greater than ODUk bandwidth chahnel.
9. the method according to claim 1, wherein the same network element can create multiple VSDH virtual ports,
It is identified by main interface number.
10. according to the method described in claim 5, it is characterized in that, the unbundlings timing of VSDH virtual port, fallback circuit first,
If mistake occurs for solution binding, state rollback is carried out using the fallback circuit.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683305A (en) * | 2020-05-19 | 2020-09-18 | 烽火通信科技股份有限公司 | ODUk channel distribution method and system |
| CN111698169A (en) * | 2020-05-29 | 2020-09-22 | 中国航空工业集团公司西安航空计算技术研究所 | Communication port extraction method based on frame content |
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| CN111683305A (en) * | 2020-05-19 | 2020-09-18 | 烽火通信科技股份有限公司 | ODUk channel distribution method and system |
| CN111683305B (en) * | 2020-05-19 | 2021-12-14 | 烽火通信科技股份有限公司 | ODUk channel distribution method and system |
| CN111698169A (en) * | 2020-05-29 | 2020-09-22 | 中国航空工业集团公司西安航空计算技术研究所 | Communication port extraction method based on frame content |
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| WO2022001540A1 (en) * | 2020-06-29 | 2022-01-06 | 中兴通讯股份有限公司 | Configuration method and apparatus, binding method and apparatus, and device, sending node, receiving node and medium |
| CN112100475A (en) * | 2020-08-14 | 2020-12-18 | 武汉光迅科技股份有限公司 | ROADM equipment maintenance method, device and computer storage medium |
| CN112100475B (en) * | 2020-08-14 | 2023-10-03 | 武汉光迅科技股份有限公司 | ROADM equipment maintenance method, ROADM equipment maintenance device and computer storage medium |
| CN112804092A (en) * | 2020-12-31 | 2021-05-14 | 中国电力科学研究院有限公司 | Modeling and simulation method and system for OTN optical transmission network for power communication |
| CN113645078A (en) * | 2021-08-16 | 2021-11-12 | 烽火通信科技股份有限公司 | Method and system for automatically extending network management service |
| CN113645078B (en) * | 2021-08-16 | 2023-10-27 | 烽火通信科技股份有限公司 | Method and system for automatically extending network management service |
| CN114301793A (en) * | 2021-12-30 | 2022-04-08 | 中国电信股份有限公司 | Path generation method and device in optical transmission network |
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