CN110446124A - Unit remote management method, storage medium and device based on ONT Optical Network Terminal - Google Patents
Unit remote management method, storage medium and device based on ONT Optical Network Terminal Download PDFInfo
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- CN110446124A CN110446124A CN201910764636.6A CN201910764636A CN110446124A CN 110446124 A CN110446124 A CN 110446124A CN 201910764636 A CN201910764636 A CN 201910764636A CN 110446124 A CN110446124 A CN 110446124A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0086—Network resource allocation, dimensioning or optimisation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
- Optical Communication System (AREA)
Abstract
The present invention relates to field of communication technology, a kind of unit remote management method based on ONT Optical Network Terminal, storage medium and device are disclosed, method includes: whether the ONT Optical Network Terminal byte number that judges that management director data to be sent includes is greater than preset threshold；Wherein, management director data is used for managing network unit；If the byte number for managing director data is greater than preset threshold, retraction among data is carried out to management director data according to retraction rule among preset data and is handled, retraction data are obtained；Wherein, retraction rule is, from the both ends of management director data to most intermediate position at the uniform velocity packed byte, the compression postbyte variable quantity for managing director data both ends is identical；Optical network unit receives retraction data, and retraction data back solution blow-off pipe is managed director data, executes management director data；Byte number is shortened, required data can be transmitted by making once to transmit, and be had the advantages that small to the transmission quantity for the administration order data for being more than limitation data length.
Description
Technical field
The present invention relates to fields of communication technology, more specifically, it relates to which a kind of unit based on ONT Optical Network Terminal is long-range
Management method, storage medium and device.
Background technique
GPON Gigabit Passive Optical Network technology is that the latest generation broadband passive light based on ITU-TG.984.x standard is comprehensive
Access standard has high bandwidth, and high efficiency, large coverage, user interface is abundant to wait many merits, is regarded by most of operators
To realize that access network service is broadband, the desirable technique of synthesization transformation.Equipment basic structure based on GPON technology and existing
PON it is similar, and by the OLT (optical line terminal) of local side, the ONT/ONU of user terminal (ONT Optical Network Terminal or makees optical-fiber network
Unit), ODN (the light distribution that connection first two equipment is made of single mode optical fiber (SMfiber) and passive optical splitters (Splitter)
Network) and network management system composition.In Gigabit Passive Optical Network, ONU is remotely managed by OLT, parameter is carried out to ONU and is matched
It sets, condition managing and ranging etc..
But under ITU-TG.984.x standard, OLT will limit the length of data when sending data every time, if the number sent
It will lead to send failure according to the data length for being more than limitation, will lead to OLT in this way and cannot issue is more than limitation data length
Administration order data need to carry out fragment processing to the administration order for being more than limitation data length to ONU, and after fragment processing
It needs to restore the data after each fragment, calculation amount is also added while the transmission quantity of data is constant.
Summary of the invention
It needs to carry out fragment processing, the transmission quantity of data to the administration order for being more than limitation data length for existing OLT
The technical issues of calculation amount is also added while constant, the purpose of the present invention one are to provide a kind of based on ONT Optical Network Terminal
Unit remote management method has the advantages that small to the transmission quantity for the administration order data for being more than limitation data length.This hair
Bright purpose two is to provide a kind of unit remote management storage medium based on ONT Optical Network Terminal have to more than limitation number
According to the small advantage of the transmission quantity of the administration order data of length.The purpose of the present invention three is to provide a kind of based on ONT Optical Network Terminal
Unit remote management device, have the advantages that be more than limitation data length administration order data transmission quantity it is small.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of unit remote management method based on ONT Optical Network Terminal, comprising:
Whether the byte number that ONT Optical Network Terminal judges that management director data to be sent includes is greater than preset threshold；Wherein, described
It manages director data and is used for managing network unit；
It is right according to retraction rule among preset data if the byte number of the management director data is greater than the preset threshold
The management director data carries out retraction processing among data, obtains retraction data；Wherein, retraction rule is to refer to from the management
Enable the both ends of data to most intermediate position at the uniform velocity packed byte, the compression postbyte variable quantity phase at the management director data both ends
Together；
Optical network unit receives retraction data, and retraction data back solution blow-off pipe is managed director data, executes management director data.
Through the above technical solutions, being carried out among data according to retraction rule among preset data to management director data
Retraction processing carries out compression processing to intermediate position from the head and the tail both ends of management director data, until intermediate position terminates, to contract
The byte number of short management director data makes once to transmit the data needed for capable of transmitting, and optical network unit obtains pipe after decompressing
Director data is managed, there is the administration order to being more than limitation data length compared to the mode that will manage the processing of director data fragment
The small advantage of the transmission quantity of data.
Further, the retraction rule is at the uniform velocity to compress from the both ends of the management director data to most intermediate position
In byte, comprising:
The compression algorithm is lzw algorithm.
Through the above technical solutions, it is exactly to be used by establishing a string table that lzw algorithm, which is called " string list compression algorithm ",
Shorter code come indicate longer character string realize compression；The corresponding relationship of character string and coding is moved in compression process
What state generated, and it is implicit in the compressed data, decompression when, is restored according to table, at last a kind of lossless compression.
Further, the ONT Optical Network Terminal saves the compaction table of lzw algorithm generation in real time.
Through the above technical solutions, the historical rudiment of compression, the debugging of process convenient to overhaul can be retained.
Further, the quantity of the compaction table of preservation is setting quantity, and the content of the compaction table of real-time update.
Through the above technical solutions, the quantity of the compaction table of preservation is limited to setting quantity, compression can be retained
Historical rudiment can reduce the occupation rate of its memory again.
Further, the retraction rule is at the uniform velocity to compress from the both ends of the management director data to most intermediate position
In byte, comprising:
If the management director data, which lives through the byte number after first compression, is greater than the preset threshold, circulation is carried out in data
Between retraction handle, until management director data repeatedly compressed byte number be not more than the preset threshold.
Through the above technical solutions, can repeatedly control byte number in preset threshold range after compression, management is realized
The byte number of director data controls.
Further, the retraction rule is at the uniform velocity to compress from the both ends of the management director data to most intermediate position
In byte, comprising:
Its all byte, which both participates in, if being even number if the total bytes of the management director data carries out retraction processing among data.
Through the above technical solutions, full symmetric processing, improves compression efficiency.
Further, the retraction rule is at the uniform velocity to compress from the both ends of the management director data to most intermediate position
In byte, comprising:
Most intermediate byte, which is not involved in, if being odd number if the total bytes of the management director data carries out among data at retraction
Reason.
Through the above technical solutions, intermediate character repeated compression is avoided to handle, prevent error in data.
To achieve the above object two, the present invention provides the following technical scheme that
A kind of unit remote management storage medium based on ONT Optical Network Terminal, is stored with a plurality of instruction, described instruction be suitable for by
Processor loads and executes unit remote management method as described above based on ONT Optical Network Terminal.
To achieve the above object three, the present invention provides the following technical scheme that
A kind of unit remote management device based on ONT Optical Network Terminal, comprising:
Processor is adapted for carrying out each instruction: and
Equipment is stored, is suitable for storing a plurality of instruction, described instruction is suitable for being loaded by processor and being executed as described above based on light
The unit remote management method of the network terminal.
Compared with prior art, the beneficial effects of the present invention are: referring to according to retraction rule among preset data to management
Data are enabled to handle using the data centre retraction that lzw algorithm carries out at least once, from the head and the tail both ends of management director data in
Between position carry out compression processing, to intermediate position terminates, so as to shorten the byte number of management director data, make primary transmission just
Can data needed for transmission, management director data is obtained after optical network unit decompression, compared to will manage at director data fragment
The mode of reason has the advantages that small to the transmission quantity for the administration order data for being more than limitation data length.
Detailed description of the invention
Fig. 1 is the flow diagram of the embodiment of the present invention one；
Fig. 2 is the judgement flow diagram that the embodiment of the present invention one manages director data odd number, even number digit.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment one
A kind of unit remote management method based on ONT Optical Network Terminal, as shown in Figure 1, comprising:
Whether the byte number that ONT Optical Network Terminal judges that management director data to be sent includes is greater than preset threshold；Wherein, it manages
Director data is used for managing network unit.If the byte number for managing director data is greater than preset threshold, according to preset number
Retraction among data is carried out to management director data according to centre retraction rule to handle, and obtains retraction data.Among data at retraction
Reason uses compression algorithm, and compression algorithm is lzw algorithm.Wherein, retraction rule is from the both ends of management director data to most intermediate
Position at the uniform velocity packed byte, the compression postbyte variable quantity for managing director data both ends are identical.Optical network unit receives retraction number
According to by retraction data back solution blow-off pipe reason director data, execution management director data.
Compression algorithm is lzw algorithm.Lzw algorithm be called " string list compression algorithm " be exactly by establishing a string table,
Longer character string is indicated with shorter code to realize compression；The corresponding relationship of character string and coding is in compression process
Dynamic generation, and it is implicit in the compressed data, decompression when, is restored according to table, at last a kind of lossless compression.
ONT Optical Network Terminal saves the compaction table of lzw algorithm generation in real time.The historical rudiment of compression, the tune of process convenient to overhaul can be retained
Examination.The quantity of the compaction table of preservation is setting quantity, and the content of the compaction table of real-time update.By the quantity of the compaction table of preservation
It is limited to setting quantity, the historical rudiment of compression can be retained but also reduce the occupation rate of its memory.For example, set quantity as
15.
If management director data, which lives through the byte number after first compression, is greater than preset threshold, circulation carries out contracting among data
Into processing, until repeatedly compressed byte number is not more than preset threshold to management director data.It repeatedly can be by byte after compression
Number control realizes the byte number control of management director data in preset threshold range.As shown in connection with fig. 2, if management instruction number
According to total bytes be even number then its all byte both participate in carry out data among retraction processing.For example, management director data are as follows:
ABCABAB ... ABCABAB, totally 26 digit, the corresponding value of A character be that corresponding to be worth be 42, C character to 41, B character in compaction table
It is corresponding value be 43, D character it is corresponding value be 44, AB it is corresponding be worth be 81.Then preceding 13 digit ABCABAB ... uses LZW backward
Algorithm is compressed, and preceding 13 digit ... ABCABAB is compressed using lzw algorithm forward.It is not involved in and carries out retraction among data
Processing.Most intermediate byte, which is not involved in, if being odd number if the total bytes of management director data carries out retraction processing among data.
It avoids intermediate character repeated compression from handling, prevents error in data.For example, management director data are as follows: ABCABAB ... D ...
ABCABAB, totally 27 digit, D are the 14th digit, then D, which is not involved in, carries out retraction processing among data.If the retraction of front-end and back-end
Digit is not identical, then is retracted the few end of digit and is further added by primary unidirectional compression.For example, management director data are as follows:
ABCABAB ... D ... ABCABAB, totally 27 digit, D are the 14th digit, then D, which is not involved in, carries out retraction processing among data, from forward direction
Retraction is to be retracted 4 from back to front into 3, then carries out primary retraction from front to back again, and only backward indent 1 just stops
Compression.
Retraction among data is carried out to management director data according to retraction rule among preset data to handle, and is referred to from management
The head and the tail both ends of data are enabled to carry out compression processing to intermediate position, until intermediate position terminates, so as to shorten management director data
Byte number, make once transmit can transmit needed for data, optical network unit decompress after obtain manage director data, compared to
Have the transmission quantity to the administration order data for being more than limitation data length small the mode for managing the processing of director data fragment
Advantage.
Embodiment two
A kind of unit remote management storage medium based on ONT Optical Network Terminal, is stored with a plurality of instruction, described instruction be suitable for by
Processor loads and executes the unit remote management method based on ONT Optical Network Terminal as described in embodiment one.
Embodiment three
A kind of unit remote management device based on ONT Optical Network Terminal, comprising:
Processor is adapted for carrying out each instruction: and
Equipment is stored, is suitable for storing a plurality of instruction, described instruction is suitable for as processor loads and executes as described in embodiment one
Unit remote management method based on ONT Optical Network Terminal.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of unit remote management method based on ONT Optical Network Terminal characterized by comprising
Whether the byte number that ONT Optical Network Terminal judges that management director data to be sent includes is greater than preset threshold；Wherein, described
It manages director data and is used for managing network unit；
It is right according to retraction rule among preset data if the byte number of the management director data is greater than the preset threshold
The management director data carries out retraction processing among data, obtains retraction data；Wherein, retraction rule is to refer to from the management
Enable the both ends of data to most intermediate position at the uniform velocity packed byte, the compression postbyte variable quantity phase at the management director data both ends
Together；
Optical network unit receives retraction data, and retraction data back solution blow-off pipe is managed director data, executes management director data.
2. the method according to claim 1, wherein the retraction rule is from the management director data
Both ends are into most intermediate position at the uniform velocity packed byte, comprising:
The compression algorithm is lzw algorithm.
3. according to the method described in claim 2, it is characterized in that, the ONT Optical Network Terminal saves lzw algorithm generation in real time
Compaction table.
4. according to the method described in claim 3, it is characterized in that, save compaction table quantity be setting quantity, and in real time
The content of the compaction table of update.
5. the method according to claim 1, wherein the retraction rule is from the management director data
Both ends are into most intermediate position at the uniform velocity packed byte, comprising:
If the management director data, which lives through the byte number after first compression, is greater than the preset threshold, circulation is carried out in data
Between retraction handle, until management director data repeatedly compressed byte number be not more than the preset threshold.
6. the method according to claim 1, wherein the retraction rule is from the management director data
Both ends are into most intermediate position at the uniform velocity packed byte, comprising:
Its all byte, which both participates in, if being even number if the total bytes of the management director data carries out retraction processing among data.
7. the method according to claim 1, wherein the retraction rule is from the management director data
Both ends are into most intermediate position at the uniform velocity packed byte, comprising:
Most intermediate byte, which is not involved in, if being odd number if the total bytes of the management director data carries out among data at retraction
Reason.
8. a kind of unit remote management storage medium based on ONT Optical Network Terminal, which is characterized in that it is stored with a plurality of instruction, institute
It is long-range suitable for being loaded by processor and executing the unit based on ONT Optical Network Terminal as described in any in claim 1-7 to state instruction
Management method.
9. a kind of unit remote management device based on ONT Optical Network Terminal characterized by comprising
Processor is adapted for carrying out each instruction: and
Equipment is stored, is suitable for storing a plurality of instruction, described instruction is suitable for being loaded by processor and being executed as appointed in claim 1-7
Based on the unit remote management method of ONT Optical Network Terminal described in one.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003527A1 (en) * | 1999-12-09 | 2001-06-14 | Kabushiki Kaisha Toshiba | Data compression system, data decompression system, supervisory control system and computer-readable storage medium |
| CN1937008A (en) * | 2005-09-22 | 2007-03-28 | 富士通株式会社 | Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, transmission/reception system, and communication system |
| CN101458818A (en) * | 2008-09-26 | 2009-06-17 | 深圳市路畅科技有限公司 | Graphic data compression processing method based on folding line evacuating algorithm |
| CN101667843A (en) * | 2009-09-22 | 2010-03-10 | 中兴通讯股份有限公司 | Methods and devices for compressing and uncompressing data of embedded system |
| CN103023702A (en) * | 2012-12-14 | 2013-04-03 | 武汉烽火网络有限责任公司 | Method for processing batched management information bases (MIB) |
| CN103944853A (en) * | 2014-04-24 | 2014-07-23 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Quasi-lossless compression method based on corrected OFDM sub-carriers |
| CN106899307A (en) * | 2017-03-03 | 2017-06-27 | 上海东软医疗科技有限公司 | A kind of data compression method, uncompressing data and device |
| CN107306364A (en) * | 2017-02-24 | 2017-10-31 | 深圳市双翼科技股份有限公司 | The method and device of optical line terminal remotely managing optical network unit |
| US20170317688A1 (en) * | 2014-10-29 | 2017-11-02 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Efficient adaptive seismic data flow lossless compression and decompression method |
| US10067549B1 (en) * | 2010-04-20 | 2018-09-04 | Modius Inc | Computed devices |
| CN109067405A (en) * | 2018-07-27 | 2018-12-21 | 深圳还是威健康科技有限公司 | A kind of method, apparatus of data compression, terminal and computer readable storage medium |
| US10365844B2 (en) * | 2016-12-29 | 2019-07-30 | Intel Corporation | Logical block address to physical block address (L2P) table compression |
| US20190253362A1 (en) * | 2018-02-14 | 2019-08-15 | Mellanox Technologies, Ltd. | Ability to Detect Unlimited Elephant Flows |
-
2019
- 2019-08-19 CN CN201910764636.6A patent/CN110446124B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003527A1 (en) * | 1999-12-09 | 2001-06-14 | Kabushiki Kaisha Toshiba | Data compression system, data decompression system, supervisory control system and computer-readable storage medium |
| CN1937008A (en) * | 2005-09-22 | 2007-03-28 | 富士通株式会社 | Encryption method, cryptogram decoding method, encryptor, cryptogram decoder, transmission/reception system, and communication system |
| CN101458818A (en) * | 2008-09-26 | 2009-06-17 | 深圳市路畅科技有限公司 | Graphic data compression processing method based on folding line evacuating algorithm |
| CN101667843A (en) * | 2009-09-22 | 2010-03-10 | 中兴通讯股份有限公司 | Methods and devices for compressing and uncompressing data of embedded system |
| US10067549B1 (en) * | 2010-04-20 | 2018-09-04 | Modius Inc | Computed devices |
| CN103023702A (en) * | 2012-12-14 | 2013-04-03 | 武汉烽火网络有限责任公司 | Method for processing batched management information bases (MIB) |
| CN103944853A (en) * | 2014-04-24 | 2014-07-23 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Quasi-lossless compression method based on corrected OFDM sub-carriers |
| US20170317688A1 (en) * | 2014-10-29 | 2017-11-02 | Institute Of Geology And Geophysics, Chinese Academy Of Sciences | Efficient adaptive seismic data flow lossless compression and decompression method |
| US10365844B2 (en) * | 2016-12-29 | 2019-07-30 | Intel Corporation | Logical block address to physical block address (L2P) table compression |
| CN107306364A (en) * | 2017-02-24 | 2017-10-31 | 深圳市双翼科技股份有限公司 | The method and device of optical line terminal remotely managing optical network unit |
| CN106899307A (en) * | 2017-03-03 | 2017-06-27 | 上海东软医疗科技有限公司 | A kind of data compression method, uncompressing data and device |
| US20190253362A1 (en) * | 2018-02-14 | 2019-08-15 | Mellanox Technologies, Ltd. | Ability to Detect Unlimited Elephant Flows |
| CN109067405A (en) * | 2018-07-27 | 2018-12-21 | 深圳还是威健康科技有限公司 | A kind of method, apparatus of data compression, terminal and computer readable storage medium |
Non-Patent Citations (4)
| Title |
|---|
| KAIDONG WANG等: "A RDF data compress model based on octree structure", 《2017 12TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA)》 * |
| QI DING等: "A Compressed PCA Subspace Method for Anomaly Detection in High-Dimensional Data", 《IEEE TRANSACTIONS ON INFORMATION THEORY》 * |
| 王慧: "移动校园***数据传输关键技术研究与实现", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
| 王民航: "稀疏成像方法及应用研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 * |
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