CN109962812A - A kind of electric layer Discrete service reverse calculation algorithms and system - Google Patents
A kind of electric layer Discrete service reverse calculation algorithms and system Download PDFInfo
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- CN109962812A CN109962812A CN201910161360.2A CN201910161360A CN109962812A CN 109962812 A CN109962812 A CN 109962812A CN 201910161360 A CN201910161360 A CN 201910161360A CN 109962812 A CN109962812 A CN 109962812A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
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Abstract
The invention discloses a kind of electric layer Discrete service reverse calculation algorithms and systems, are related to telecommunication transport network technical field.Discrete service and single station business are split as several discrete nodes by network element by the present invention, and a discrete nodes is selected to start inverse as starting discrete nodes；Exit port, service layer port and service layer's business object are found according to discrete nodes network element inbound port；Place network element port is found according to service layer's business object, and client layer port is found according to place network element port；Discrete nodes network element, discrete nodes network element exit port are found according to place network element client layer port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.Reconstruction operation again is deleted without executing the full dose of business when project operation cutover, it is only necessary to which single station business of newly-increased adjustment website greatlies simplify the operating process of project operation cutover.
Description
Technical field
The present invention relates to telecommunication transport network technical field, it is specifically related to a kind of electric layer Discrete service reverse calculation algorithms and is
System.
Background technique
In telecommunication transport network system, because of the reasons such as device upgrade or equipment fault, it is often necessary to existing network service into
Row adjustment, such as increase/deletion relay, replacement single-deck.System maintenance personnel must first deactivate and delete by the tune
Whole business of whole website, then the additions and deletions single-deck of website, the even operation such as fibre are done, it then successively re-creates and activates adjusted
Business.
Since existing network environment is usually extremely complex, associated services are more, and the full dose of business deletes reconstruction operation process mistake
Long, the efficiency of business reorganization is extremely low, and system maintenance personnel are easy to maloperation, causes existing network service that can not restore for a long time
Etc. unpredictable consequence.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, a kind of electric layer Discrete service reverse calculation algorithms are provided
And system, reconstruction operation again is deleted without executing the full dose of business when project operation cutover, greatlies simplify project operation cutover
Operating process.
The present invention provides a kind of electric layer Discrete service reverse calculation algorithms, comprising the following steps:
Discrete service and single station business are split as several discrete nodes by network element, select a discrete nodes as starting
Discrete nodes start inverse；
Exit port, service layer port and service layer's business object are found according to discrete nodes network element inbound port；
Place network element port is found according to service layer's business object, and client layer port is found according to place network element port；
Discrete nodes network element, discrete nodes network element exit port are found according to place network element client layer port, until Discrete service
Terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
On the basis of above scheme, the method also includes following steps, select a discrete nodes as starting from
When scattered node starts inverse, selects the sourcesink discrete nodes of teleservice as starting discrete nodes, carried out to a direction
Inverse；
Or select the intermediate node of teleservice as starting discrete nodes, inverse is carried out to both direction, then by two
A inverse result is spliced into a final inverse result.
On the basis of above scheme, it is described according to discrete nodes network element inbound port find exit port, service layer port and
Service layer's business object, specifically includes the following steps:
Service layer port is looked for according to network element exit port, and service layer's business object is searched according to service layer port；
If service layer's object is not present, continue to search service layer's service port and service layer service according to service layer port
Object, until OCH layers；If not finding service layer's object yet at OCH layers, the failure of business inverse；
If finding service layer's business object, continue inverse.
It is described that place network element port is found according to service layer's business object on the basis of above scheme, and according to place network element
Client layer port is found in port, specifically includes the following steps:
For ODU layers of port, Client layers of port, service layer port is identical as client layer port；For ODU layers of port,
The client layer port time slot of source network element is first obtained, and is obtained according to the service layer port of source network element client layer port time slot and place network element
Take place network element client layer port.
It is described that discrete nodes network element, discrete nodes are found according to place network element client layer port on the basis of above scheme
Network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice, specifically include
Following steps:
Discrete nodes are found according to place network element client layer port, and obtain discrete nodes network element exit port；
Judge the exit port whether this layer service terminal；If not this layer service terminal, then splice this layer it is next from
Node is dissipated, until this layer service terminal；If it is this layer service terminal, then continue to splice according to client's layer service of this layer, directly
To Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
The present invention also provides a kind of electric layer Discrete service inverse systems, comprising:
Module is split, is used for: Discrete service and single station business are split as several discrete nodes by network element；
Inverse module, is used for: selecting a discrete nodes to start inverse as starting discrete nodes, according to discrete nodes
Network element inbound port finds exit port, service layer port and service layer's business object；Place network element is found according to service layer's business object
Port, and client layer port is found according to place network element port；Discrete nodes network element, discrete is found according to place network element client layer port
Node network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
On the basis of above scheme, the inverse module is also used to: selecting a discrete nodes as the discrete section of starting
It when point starts inverse, selects the sourcesink discrete nodes of teleservice as starting discrete nodes, carries out inverse to a direction；
Or select the intermediate node of teleservice as starting discrete nodes, inverse is carried out to both direction, then by two
A inverse result is spliced into a final inverse result.
On the basis of above scheme, the inverse module finds exit port, service according to discrete nodes network element inbound port
Layer port and service layer's business object, specifically includes the following steps:
Service layer port is looked for according to network element exit port, and service layer's business object is searched according to service layer port；
If service layer's object is not present, continue to search service layer's service port and service layer service according to service layer port
Object, until OCH layers；If not finding service layer's object yet at OCH layers, the failure of business inverse；
If finding service layer's business object, continue inverse.
On the basis of above scheme, the inverse module finds place network element port, and root according to service layer's business object
Client layer port is found according to place network element port, specifically includes the following steps:
For ODU layers of port, Client layers of port, service layer port is identical as client layer port；For ODU layers of port,
The client layer port time slot of source network element is first obtained, and is obtained according to the service layer port of source network element client layer port time slot and place network element
Take place network element client layer port.
On the basis of above scheme, the inverse module according to place network element client layer port find discrete nodes network element,
Discrete nodes network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice,
Specifically includes the following steps:
Discrete nodes are found according to place network element client layer port, and obtain discrete nodes network element exit port；
Judge the exit port whether this layer service terminal；If not this layer service terminal, then splice this layer it is next from
Node is dissipated, until this layer service terminal；If it is this layer service terminal, then continue to splice according to client's layer service of this layer, directly
To Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
Compared with prior art, advantages of the present invention is as follows:
Discrete service and single station business are first split as several discrete nodes by the present invention, then recombinate be spliced into it is complete end-to-end
Business deletes reconstruction operation again without executing the full dose of business when project operation cutover, it is only necessary to single station of newly-increased adjustment website
Business greatlies simplify the operating process of project operation cutover.
Detailed description of the invention
Fig. 1 is the Discrete service abstract model figure of the embodiment of the present invention；
Fig. 2 is the flow diagram of the electric layer Discrete service reverse calculation algorithms of the embodiment of the present invention；
Fig. 3 is the unprotect electric layer Discrete service hierarchical mode figure of the embodiment of the present invention；
Fig. 4 is the protection electric layer Discrete service hierarchical mode figure of the embodiment of the present invention.
Specific embodiment
It reference will now be made in detail to specific embodiments of the present invention now, instantiate example of the invention in the accompanying drawings.Although will knot
The specific embodiment description present invention is closed, it will be understood that, it is not intended to limit the invention to the embodiment described.On the contrary, it is desirable to cover
Cover the change for including within the spirit and scope of the present invention, modification and the equivalent being defined by the following claims.It should be noted that this
In the method and step that describes can realize that and any functional block or function arrangement can quilts by any functional block or function arrangement
It is embodied as the combination of physical entity or logic entity or the two.
In order to make those skilled in the art more fully understand the present invention, with reference to the accompanying drawings and detailed description to this hair
It is bright to be described in further detail.
Note: the example next to be introduced is only a specific example, and not as limiting embodiments of the invention
It is necessary for following specific step, numerical value, condition, data, sequence etc..Those skilled in the art can be by reading this explanation
Book constructs the more embodiments that do not mention in this specification to use design of the invention.
Every Discrete service can be split as several discrete nodes by network element, and each discrete nodes identify in single network element
Inbound port and exit port (being also possible to only inbound port or exit port), every single station business can also use a discrete nodes model
It indicates.Discrete nodes are that the minimum of Discrete service can not sub-unit again.Discrete service inverse is exactly first by Discrete service and single station
Business is split as several discrete nodes, then recombinates the process for being spliced into complete teleservice.
As shown in Figure 1, Discrete service [A--F] is removable to be divided into discrete nodes network element 1 [A--B], network element 3 [E--F], network element 2
Single station business is represented by discrete nodes network element 2 [C--D].
Shown in Figure 2, the embodiment of the present invention provides a kind of electric layer Discrete service reverse calculation algorithms, comprising the following steps:
S10: being split as several discrete nodes by network element for Discrete service and single station business, select a discrete nodes as
Starting discrete nodes start inverse.Starting discrete nodes preferentially select the sourcesink discrete nodes of teleservice because sourcesink from
Scattered node only needs to be spliced to a direction, if it is intermediate discrete nodes, then needs to be spelled to both direction simultaneously
It connects, splicing result is then merged into a teleservice；
S20: finding exit port according to inbound port in discrete nodes network element, if only one port of discrete nodes, enters
Exit port is the same port.Service layer service port P2 is looked for according to exit port P1 in network element, and according to this service layer port P2
Search service layer's business object, if service layer's object is not present, continue according to port P2 search service layer's service port and
Service layer's business object, until OCH layers (light-path sublayer networks).Since electric layer business must rely on OCH layers, if OCH layers
Business object is not present, the failure of electric layer business inverse.
S30: place network element port is found according to service layer's object, and client layer port is found according to place network element port.For
ODUK layers, Client layers, service layer port is identical as client layer port, other, when needing first to obtain source network element client layer port
Gap, and client layer port is obtained according to this time slot and place network element service layer port.
S40: finding discrete nodes according to place network element client layer port, and obtain exit port in discrete nodes network element, judgement
This port whether this layer service terminal；If not this layer service terminal, then jump procedure S20, splices next discrete nodes,
Until this layer service terminal；If it is this layer service terminal, then jump procedure S30, splices client's layer service, discrete until originating
Node traffic level, the discrete nodes that inverse is obtained are spliced into a teleservice.
Unprotect electric layer Discrete service model as shown in figure 3, delete network element 2 branch line disk, trigger Client and ODU2
Teleservice is discrete.New branch line disk is added in network element 2 and connects fibre, and creates single station electric layer business in branch line disk,
Inverse photosphere teleservice selects discrete Client business inverse, and inverse process is as follows:
(1) discrete Client business produces discrete nodes network element 1 [A--]；
(2) exit port A in network element is obtained according to discrete nodes network element 1 [A--] and obtains service layer's service port B, according to the end B
Mouth can not find business object, can obtain discrete nodes network element 1 [B--C]；
(3) service layer's service port D is obtained according to exit port C in the network element of discrete nodes network element 1 [B--C], it is available
To service layer's object of the port D, and find opposite end network element port E；
(4) time slot and port E that port D is occupied according to port C, can obtain client layer port F and discrete nodes network element 2
[F--G] can determine whether that port G is ODU2 business terminal, and ODU2 pathfinding is completed, and includes discrete nodes network element 1 [B--C] and discrete section
Point network element 2 [F--G]；
(5) client layer port H can be obtained according to exit port G in discrete nodes network element 2 [F--G] network element, port H can be obtained
Discrete nodes network element 2 [-- H], and port H is client business terminal, and client business pathfinding is completed, and includes discrete nodes
Network element 1 [A--] and discrete nodes network element 2 [-- H].
Electric layer Discrete service model is protected as shown in figure 4, deleting the branch line disk of network element 2, triggers Client and ODU2
(ODU sublayer network, light-path data unit layer network), ODU3 teleservice are discrete.New branch line is added in network element 2
Road disk and even fibre, and single station electric layer business is created in branch line disk, inverse photosphere teleservice selects discrete Client industry
Business inverse, inverse process are as follows:
(1) discrete Client business produces discrete nodes network element 1 [A--]；
(2) exit port A in network element is obtained according to discrete nodes network element 1 [A--] and obtains service layer's service port B, according to end
Mouth B can not find business object, can obtain discrete nodes network element 1 [B--C], while available to 1 [B-- of discrete nodes network element
C] protection discrete nodes network element 1 [K--L] (protection discrete nodes after operating path splicing after the completion of reprocess)；
(3) according to exit port C in the network element of discrete nodes network element 1 [B--C], service layer service port D is found, according to end
Mouth D can not find business object, can obtain discrete nodes network element 1 [D--]；
(4) according to exit port D in the network element of discrete nodes network element 1 [D--], service layer service port E is found, it is available
To the business object of the port E, and find opposite end network element port F；
(5) time slot and port F that service layer port E is occupied according to port D, can obtain client layer port G and discrete nodes
Network element 2 [-- G], and port G is business terminal, ODU3 pathfinding is completed, and includes discrete nodes network element 1 [D--] and discrete nodes net
Member 2 [-- G]；
(6) time slot and port G that service layer port D is occupied according to port C, can obtain client layer port H and discrete nodes
Network element 2 [H--I], and discrete nodes network element exit port I is business terminal, it includes discrete nodes network element that work ODU2 pathfinding, which is completed,
1 [B--C] and discrete nodes network element 2 [H--I]；
(7) Protection path (recursive call, consistent with work method for searching) is found according to discrete nodes network element 1 [K--L],
It can find discrete nodes network element 2 [M--N], and discrete nodes network element exit port N is business terminal, protection ODU2 pathfinding is completed.It is right
In Protection path, need to verify place discrete nodes work protection relationship, by protecting discrete nodes network element 2 [M--N] that work can be obtained
Make discrete nodes network element 2 [H--I], the work discrete nodes network element 1 [B--C] with protection discrete nodes network element 1 [K--L] is same
One ODU business, the successful teleservice of inverse { network element 1 [B--C] -- discrete nodes network element 2 [H--I] } and { network element 1
[K--L] -- network element 2 [M--N] } it is that relationship is protected in work；
(8) client layer service port J can be got according to exit port I in discrete nodes network element 2 [H--I] network element, and obtained
Discrete nodes network element 2 [-- J], and port J is client business terminal, client business pathfinding is completed, and includes discrete nodes net
1 [A--] of member and discrete nodes network element 2 [-- J].
The embodiment of the present invention also provides a kind of electric layer Discrete service inverse system, comprising:
Module is split, is used for: Discrete service and single station business are split as several discrete nodes by network element；
Inverse module, is used for: selecting a discrete nodes to start inverse as starting discrete nodes, according to discrete nodes
Network element inbound port finds exit port, service layer port and service layer's business object；Place network element is found according to service layer's business object
Port, and client layer port is found according to place network element port；Discrete nodes network element, discrete is found according to place network element client layer port
Node network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
As preferred embodiment, the inverse module is also used to: selecting a discrete nodes as the discrete section of starting
It when point starts inverse, selects the sourcesink discrete nodes of teleservice as starting discrete nodes, carries out inverse to a direction；
Or select the intermediate node of teleservice as starting discrete nodes, inverse is carried out to both direction, then by two
A inverse result is spliced into a final inverse result.
As preferred embodiment, the inverse module finds exit port, service according to discrete nodes network element inbound port
Layer port and service layer's business object, specifically includes the following steps:
Service layer port is looked for according to network element exit port, and service layer's business object is searched according to service layer port；
If service layer's object is not present, continue to search service layer's service port and service layer service according to service layer port
Object, until OCH layers；If not finding service layer's object yet at OCH layers, the failure of business inverse；
If finding service layer's business object, continue inverse.
As preferred embodiment, the inverse module finds place network element port, and root according to service layer's business object
Client layer port is found according to place network element port, specifically includes the following steps:
For ODU layers of port, Client layers of port, service layer port is identical as client layer port；For ODU layers of port,
The client layer port time slot of source network element is first obtained, and is obtained according to the service layer port of source network element client layer port time slot and place network element
Take place network element client layer port.
As preferred embodiment, the inverse module according to place network element client layer port find discrete nodes network element,
Discrete nodes network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice,
Specifically includes the following steps:
Discrete nodes are found according to place network element client layer port, and obtain discrete nodes network element exit port；
Judge the exit port whether this layer service terminal；If not this layer service terminal, then splice this layer it is next from
Node is dissipated, until this layer service terminal；If it is this layer service terminal, then continue to splice according to client's layer service of this layer, directly
To Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
Note: above-mentioned specific embodiment is only example rather than limits, and those skilled in the art can be according to the present invention
Design merge from above-mentioned each embodiment described separately and combine some steps and device to realize effect of the invention,
This merging and the embodiment being composed are also included in the present invention, and do not describe this merging and combination one by one herein.
Advantage as mentioned in the embodiments of the present invention, advantage, effect etc. are only examples, rather than are limited, and must not believe that these are excellent
Point, advantage, effect etc. are that each embodiment of the invention is prerequisite.In addition, disclosed by the embodiments of the present invention above-mentioned specific
Details limits merely to exemplary effect and the effect that is easy to understand, and above-mentioned details is not intended to limit the embodiment of the present invention
It must be realized using above-mentioned concrete details.
Device involved in the embodiment of the present invention, device, equipment, system block diagram be only used as illustrative example, and
And it is not intended to require or imply to be attached in such a way that box illustrates, arrange, configure.Such as those skilled in the art
It will be recognized, can be connected by any way, arrange, configure these devices, device, equipment, system.Such as " comprising ", " packet
Containing ", the word of " having " etc. be open vocabulary, refer to " including but not limited to ", and can be used interchangeably with it.The present invention is implemented
Vocabulary "or" and "and" used in example refer to vocabulary "and/or", and can be used interchangeably with it, unless context is explicitly indicated is not
So.Vocabulary used in the embodiment of the present invention " such as " refers to phrase " such as, but not limited to ", and can be used interchangeably with it.
Step flow chart and above method in the embodiment of the present invention describe only as illustrative example, and unexpectedly
Figure requires or implies the step of must carrying out each embodiment according to the sequence provided.As those skilled in the art will appreciate that
, the sequence of the step in above embodiments can be carried out in any order.Such as " thereafter ", " then ", " following " etc.
Word be not intended to limit the sequence of step；These words are only used for the description that guidance reader reads over these methods.In addition, for example
Using article "one", " one " or "the" be not interpreted the element being limited to list for any reference of the element of odd number
Number.
In addition, the step and device in each embodiment of the present invention are not only defined in some embodiment and carry out, it is true
On, relevant part steps and partial devices in each embodiment herein can be combined with concept according to the present invention, with
Conceive new embodiment, and these new embodiments are intended to be included within the scope of the present invention.
Each operation in the embodiment of the present invention can be and being able to carry out any means appropriate of corresponding function
It carries out.The means may include various hardware and or software components and/or module, the including but not limited to circuit of hardware, ASIC
(Application Specific Integrated Circuit, specific integrated circuit) or processor.
In practical applications, the general processor for being designed to execute above-mentioned function, DSP (Digital be can use
Signal Processor, digital signal processor), ASIC, FPGA (Field Programmable Gate Array, scene
Programmable gate array) or CPLD (Complex Programmable Logic Device, Complex Programmable Logic Devices), from
Door or transistor logic, discrete hardware component or any combination thereof are dissipated, to realize logical block, the module of above-mentioned each illustration
And circuit.Wherein, general processor can be microprocessor, but as an alternative, the processor can be and any commercially may be used
Processor, controller, microcontroller or the state machine of acquisition.Processor is also implemented as calculating the combination of equipment, such as DSP
With the combination of microprocessor, multi-microprocessor, the one or more microprocessors to cooperate with DSP core or any other as
Configuration.
The method or the step of algorithm described in conjunction with the embodiment of the present invention can be directly embedded within hardware, processor executes
Software module in or both combination in.Software module can reside in any type of tangible media.It can
Some examples with the storage medium used include RAM (Random Access Memory, random access memory), ROM (Read-
Only Memory, read-only memory), flash memory, EPROM (Electrically Programmable Read-Only
Memory, erasable programmable read only memory), EEPROM (Electrically-Erasable Programmable
Read-Only Memory, Electrically Erasable Programmable Read-Only Memory), register, hard disc, removable dish, CD-ROM (Compact
Disc Read-Only Memory, compact disk read-only memory) etc..Storage medium can be couple to processor so as to this
Processor can be from the read information and to the storage medium write information.In alternative, storage medium can
To be whole with processor.Software module can be single instruction or many instructions, and can be distributed in several differences
Code segment on, between different programs and across multiple storage mediums.
The method of the embodiment of the present invention includes the one or more movement for realizing above-mentioned method.Method and/or dynamic
Work can be interchangeable with one another without departing from the scope of the claims.In other words, unless specifying the specific order of movement, otherwise may be used
To modify the sequence specifically acted and/or use without departing from the scope of the claims.
Function in the embodiment of the present invention can be realized by hardware, software, firmware or any combination thereof.If with software
It realizes, function can be used as one or more instructions and be stored on practical computer-readable medium.Storage medium can be can
With any available tangible media accessed by computer.It by example rather than limits, such computer-readable medium can
To include RAM, ROM, EEPROM, CD-ROM or the storage of other optical discs, magnetic disk storage or other magnetic memory devices or can use
In carry or the desired program code of store instruction or data structure form and can be accessed by computer any other
Tangible media.As used herein, dish (disk) and disk (disc) include compact disk (CD), laser disk, CD, DVD
(Digital Versatile Disc, digital versatile disc), soft dish and Blu-ray disc, wherein dish passes through magnetic reproduce data, and
Disk using laser optics reproduce data.
Therefore, computer program product can carry out operation given herein.For example, such computer program product can
To be the computer-readable tangible medium with the instruction of tangible storage (and/or coding) on it, which can be by one
Or multiple processors are executed to carry out operation described herein.Computer program product may include the material of packaging.
Software or instruction in the embodiment of the present invention can also be transmitted by transmission medium.It is, for example, possible to use such as
Coaxial cable, optical fiber cable, twisted pair, DSL (Digital Subscriber Line, digital subscriber line) or such as infrared,
The transmission medium of the wireless technology of radio or microwave is from website, server or other remote source softwares.
In addition, can be with for realizing the module of the methods and techniques in the embodiment of the present invention and/or other means appropriate
It is obtained in due course by user terminal and/or base station downloading and/or other modes.For example, such equipment can be couple to clothes
Device be engaged in promote the transmission of the means for carrying out method described herein.Alternatively, various methods described herein can be via
Storage unit (such as physical storage medium of RAM, ROM, CD or soft dish etc.) provides, so as to user terminal and/or base station
Various methods can be obtained when being couple to the equipment or providing storage unit to the equipment.Furthermore, it is possible to utilize for inciting somebody to action
Methods and techniques described herein are supplied to any other technology appropriate of equipment.
Other examples and implementation are in the embodiment of the present invention and scope of the appended claims and spirit.For example, by
In the essence of software, functionality described above be can be used by processor, hardware, firmware, hardwired or these arbitrary group
Close the software realization executed.Realize that the feature of function also may be physically located at each position, including being distributed so as to function
It is realized in different physical locations part.Moreover, it is as used herein, it is included in used in claim, with " at least
One " "or" instruction separation used in the enumerating of item that starts enumerates, so as to the column of such as " at least one of A, B or C "
Act means A or B or C or AB or AC or BC or ABC (i.e. A and B and C).In addition, wording " exemplary " does not mean that description
Example is preferred or more preferable than other examples.
Those skilled in the art can not depart from the technology instructed defined by the appended claims and carry out in this institute
Various changes, replacement and the change for the technology stated.In addition, the scope of the claims of the disclosure is not limited to above-described place
Reason, machine, manufacture, the composition of event, means, the specific aspect of method and movement.It can use and respective party described herein
Face carry out essentially identical function or realize essentially identical result there is currently or later to be developed processing, machine
Device, manufacture, the composition of event, means, method or movement.Thus, appended claims include such place within its scope
Reason, machine, manufacture, the composition of event, means, method or movement.
The above description of disclosed aspect is provided so that any person skilled in the art can make or use this
Invention.Various modifications in terms of these are readily apparent to those skilled in the art, and are defined herein
General Principle can be applied to other aspect without departing from the scope of the present invention.Therefore, the present invention is not intended to be limited to
Aspect shown in this, but according to principle disclosed herein and the consistent widest range of novel feature.
In order to which purpose of illustration and description has been presented for above description.In addition, this description is not intended to reality of the invention
It applies example and is restricted to form disclosed herein.Although already discussed above multiple exemplary aspects and embodiment, this field skill
Its certain modifications, modification, change, addition and sub-portfolio will be recognized in art personnel.
Claims (10)
1. a kind of electric layer Discrete service reverse calculation algorithms, which comprises the following steps:
Discrete service and single station business are split as several discrete nodes by network element, select a discrete nodes discrete as originating
Node starts inverse；
Exit port, service layer port and service layer's business object are found according to discrete nodes network element inbound port；
Place network element port is found according to service layer's business object, and client layer port is found according to place network element port；
Discrete nodes network element, discrete nodes network element exit port are found according to place network element client layer port, until Discrete service terminal,
The discrete nodes that inverse is obtained are spliced into a teleservice.
2. the method as described in claim 1, it is characterised in that: the method also includes following steps, select a discrete section
Point as starting discrete nodes start inverse when, select the sourcesink discrete nodes of teleservice as originate discrete nodes, to
One direction carries out inverse；
Or select the intermediate node of teleservice as starting discrete nodes, inverse is carried out to both direction, then anti-by two
It calculates result and is spliced into a final inverse result.
3. the method as described in claim 1, it is characterised in that: it is described according to discrete nodes network element inbound port find exit port,
Service layer port and service layer's business object, specifically includes the following steps:
Service layer port is looked for according to network element exit port, and service layer's business object is searched according to service layer port；
If service layer's object is not present, continue to search service layer's service port and service layer service pair according to service layer port
As until OCH layers；If not finding service layer's object yet at OCH layers, the failure of business inverse；
If finding service layer's business object, continue inverse.
4. the method as described in claim 1, it is characterised in that: it is described that place network element port is found according to service layer's business object,
And client layer port is found according to place network element port, specifically includes the following steps:
For ODU layers of port, Client layers of port, service layer port is identical as client layer port；For ODU layers of port, first obtain
The client layer port time slot of source network element is taken, and place is obtained according to the service layer port of source network element client layer port time slot and place network element
Network element client layer port.
5. the method as described in claim 1, it is characterised in that: described to find discrete nodes net according to place network element client layer port
Member, discrete nodes network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into an end-to-end industry
Business, specifically includes the following steps:
Discrete nodes are found according to place network element client layer port, and obtain discrete nodes network element exit port；
Judge the exit port whether this layer service terminal；If not this layer service terminal, then splice this layer of next discrete section
Point, until this layer service terminal；If it is this layer service terminal, then continue to splice according to client's layer service of this layer, until from
Business terminal is dissipated, the discrete nodes that inverse is obtained are spliced into a teleservice.
6. a kind of electric layer Discrete service inverse system characterized by comprising
Module is split, is used for: Discrete service and single station business are split as several discrete nodes by network element；
Inverse module, is used for: selecting a discrete nodes to start inverse as starting discrete nodes, according to discrete nodes network element
Inbound port finds exit port, service layer port and service layer's business object；Place network element port is found according to service layer's business object,
And client layer port is found according to place network element port；Discrete nodes network element, discrete nodes are found according to place network element client layer port
Network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into a teleservice.
7. system as claimed in claim 6, it is characterised in that: the inverse module is also used to: one discrete nodes of selection are made
When starting inverse for starting discrete nodes, select the sourcesink discrete nodes of teleservice as starting discrete nodes, to one
Direction carries out inverse；
Or select the intermediate node of teleservice as starting discrete nodes, inverse is carried out to both direction, then anti-by two
It calculates result and is spliced into a final inverse result.
8. system as claimed in claim 6, it is characterised in that: the inverse module is found according to discrete nodes network element inbound port
Exit port, service layer port and service layer's business object, specifically includes the following steps:
Service layer port is looked for according to network element exit port, and service layer's business object is searched according to service layer port；
If service layer's object is not present, continue to search service layer's service port and service layer service pair according to service layer port
As until OCH layers；If not finding service layer's object yet at OCH layers, the failure of business inverse；
If finding service layer's business object, continue inverse.
9. system as claimed in claim 6, it is characterised in that: the inverse module finds place net according to service layer's business object
First port, and client layer port is found according to place network element port, specifically includes the following steps:
For ODU layers of port, Client layers of port, service layer port is identical as client layer port；For ODU layers of port, first obtain
The client layer port time slot of source network element is taken, and place is obtained according to the service layer port of source network element client layer port time slot and place network element
Network element client layer port.
10. system as claimed in claim 6, it is characterised in that: the inverse module is found according to place network element client layer port
Discrete nodes network element, discrete nodes network element exit port, until Discrete service terminal, the discrete nodes that inverse is obtained are spliced into one
Teleservice, specifically includes the following steps:
Discrete nodes are found according to place network element client layer port, and obtain discrete nodes network element exit port；
Judge the exit port whether this layer service terminal；If not this layer service terminal, then splice this layer of next discrete section
Point, until this layer service terminal；If it is this layer service terminal, then continue to splice according to client's layer service of this layer, until from
Business terminal is dissipated, the discrete nodes that inverse is obtained are spliced into a teleservice.
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